SAES-422 Multistate Research Activity Accomplishments Report

Sections

Status: Approved

Basic Information

  • Project No. and Title: SERA25 : Turf (IEG-16)
  • Period Covered: 10/01/2014 to 09/30/2015
  • Date of Report: 06/02/2015
  • Annual Meeting Dates: 06/02/2015 to 06/03/2015

Participants

Moss, Justin Quetone – Oklahoma State University; Martin, Dennis – Oklahoma State University; Wu, Yanqi – Oklahoma State University; Karcher, Doug – University of Arkansas; Richardson, Michael – University of Arkansas; Kruse, Jason – University of Florida; Unruh, Bryan – University of Florida; Waltz, Clint – University of Georgia; Munshaw, Gregg – University of Kentucky; Steward, Barry – Mississippi State University; Milla-Lewis, Susana – North Carolina State University; Wherley, Ben – Texas A&M University; Young, Joseph – Texas Tech University; Russin, John – Louisiana State University; Walker, Nathan – Oklahoma State University; Su, Kemin – Oklahoma State University; Post, Angela – Oklahoma State University; Han, David – Auburn University; Lemme, Gary – Auburn University; Raymer, Paul – University of Georgia; Crow, Billy – University of Georgia; Thoms, Adam – University of Tennessee; Chandra, Ambika – Texas A&M University; Kenworthy, Kevin – University of Florida; Hoyle, Jared – Kansas State University; Henry, Gerald – University of Georgia; Park, Dara – Clemson University; Elmore, Matthew – Texas A&M University; Horvath, Brandon – University of Tennessee;

June 2, 2015

Welcome / Meeting Overview

Doug Karcher:

  • Introductions
  • Lunch at Chileno’sFoster the integration between teaching and extension  
  • John Russin:
  • -Research/teaching into extension
  •  
  • 2014 minutes
  • 5 year project, rewritten in 2013
  • Sign up for the project , NIMMS membership list
  • Meeting schedule Janet Cole:
  •  
  • Welcome to Oklahoma Dennis Martin:

 

  •  
  • 1992, last meeting in Oklahoma
  • 3.88 million in Oklahoma
  • 1.1 million residencies in Oklahoma
  • 70th year of turf education in Oklahoma
  • Dr. Huffine, forage scientist àturfgrass program (1963), agronomy department .
  • Oklahoma:
    • Eco-regions
    • Mountains
    • Rainfall
      • 12-52 inches
      • Emerged from drought
  • USDA hardiness zone
  • Faculty:
    • Justin Moss
    • Nathan Walker
    • Yanqi Wu
    • Kemin Su
    • Eric Rebeck, ento extension
    • Tom Royer, IPM
    • Tracy Boyer
    • Chanjin Chung
    • Angela Post, extension wheat
    • Dennis Martin Turf Pathology Update
    • Nathan Walker:
    •  
  • Ectotrophoc root-infecting fungi
  • Host/pathogen interaction of Spring Dead Spot patho-system using transgenic fungi
    • Transgenic fungi to see where they reside
  • Teaching
    • Teaching and turfgrass pathology emerging issues
      • Decline in students enrolled in turfgrass IPM at a Junior/Senior level course
      • Recent administrative emphasis on minimum class size for an upper level course at 12 students
        • Budget issues
      • Future offering of course is questionable
    • Turfgrass industry has about 35 total fungicide active ingredients available
    • 30 prepackaged fungicide mixtures
      • Increases spectrum of activity
      • Convenient
      • One even has 4 active ingredients
    • Greater emphasis on resistance management
    • Pathology teaching
      • Students stressed for time
      • Attendance issues
      • Reliance on short term memory/internet
    • Industry support?
    • MONEY (Puff Daddy: Its all about the Benjamins)
  • Decline in extension turfgrass pathologists
    • For many, turfgrass is only one of their commodity responsibilities
    • Extension is only part of peoples responsibilities
  • Australia
    • Austeria program effectively ended most government and university research/teaching/extension programs
    • Disease issues even on warm-season grasses
    • Fringe “plant-protection industry”
  • Issues not limited to turfgrass pathology
    • Greater need than people can meet
    • Many service industry outside of state
    • Travel is expensive
  • Research
    • Greater performanece expectations and intensive management of Turfgrass
      • Mowing height, cultivars
    • Environmental extremes
    • Parasitic nematodes
    • Bentgrass putting grass issues
    • Ultradwarf Bermuda grass issues
  • Disease
    • Spring dead spot
      • Riveara
        • In the middle of the spectrum—good
        • Maturity issues
    • Large patch is everyehere and severe
    • Leaf Spot
    • Fairway Patch?
      • Similar to spring-dead spot
    • Fairy rings and unidentified disease  State Reports (AL, AZ, AR, FL, GA) 
    • Alabama:
    • Various State Rep’s
    •  
    •  
  • Faculty:
    • New
      • Dr. Steve Lee
      • Dr. Joyce Ducar
  • Student:
    • Numbers are down
      • 23 full-time undergraduates
      • Down about 50% from recent high
    • Building online program
      • Master of turfgrass management
        • Non-thesis masters
        • 32 credit hours
        • Capstone project
        • Tuition
          • $450 per credit hour
  • Extension
    • Ebook series
      • Gardening in the South
    • Smart yards app
  • Resignation
  • Dean of the College of Agriculture Arizona:
  •  
  • Not present
  • Faculty updates
  • Retirees
  • Research
  • Cultivar screening
  • Salt stress, drought stress
  • Extension
  • Turfgrass field day
  • IPM seminars
  • Turf schools
  • Courses:
  • 14 students
  • Intro to turf science and management
  • 14 students
  • Budget cuts
  • Farm fees apply to all land useArkansas:
    •  

 

    • Jon Boyd
      • Extension
    • Faculty update
      • 5 grad students
        • 2 phd
        • 3 masters
      • Retirement
    • New department head
        • 5 star quarterback
    • Wayne
  • Alternate year field day schedule
  • New putting green
  • Warm season researchFlorida:
    •  

 

  • New hire
    • Provost at Cornell
      • Pro-agriculture
    • New dean for research
    • Agronomy head
  • Retirement
    • Jon Cisar
  • Hiring turf entomologists
  • Teaching
    • No more turf degree programà degree in plant science
  • Research
    • Drop in research
    • Spread too thin
  • Extension
    • New positions Georgia
    •  
  • Retirement
    • Bob Carrow
    • Keith Karnok
    • Lee Burpee
  • Faculty
    • 19 state wide
    • Promotions
  • New cultivar release
    • Bermuda grass
    • DT1
  • Awards
    • Walter B Hill Award
  • Field Day
    • 850 attendees
    • Governor spoke
    • Every two years
    • August 3, 2016
  • Facilities enhancement project
    • 11.5 million dollars of bond funding
    • Facility enhancement statewide
  • Extension
    • Hiring county agents
  • Teaching
    • 21 students in undergrad program
    • 5 or 6 grad students Break Turf Nematode Update
    • Billy Crow:
    •  
    •  
  • Nemacure
    • Fenamiphos-Nemacure 10 G and Nemacure 3 Turf
      • Organophosphate “nerve poison”
    • Versatile
      • All kinds of nematodes and turf types
    • Cease use by October 2015
      • Deadline pushed to 2017
  • Fluensulfone
    • New class of nemacide
    • Owned by Adama/Qualipro
    • Approved for food crop, safe for animal and human
  • Nemitz Pro G
    • 1.5% a.i. granular formulation
    • Effects of B.longicaudatus , percent green cover, and root length graphs
    • Decreased population density of sting and lance nematode (roots and soil)
    • Improved turf root system and cover
    • Multiple lower dose more effective than single large dose
    • National launch
  • Abamectin
    • Active ingredient in Syngenta’s Avid 0.15 EC
    • Labeled for greens, tees and fairways
    • RUP
    • Do not have to buy with Heritage
  • Avid
    • Related to invermectin used in human and veterinary medicine
    • Excellent nematicide but poor movement in soil.
      • Will go only about 2 inches deep
    • Restricted use pesticide in Florida
    • Percentage green cover and USGA nematode control graph
    • Turf responses, no nematode reduction
    • Targeted at Sting nematodes but application eliminated root-knot nematodes
      • Juvenile root-knot nematodes inside roots causing problems but not laying eggs yet
  • USGA/FGSCA IPM study
    • Sting, spiral, stubby root, and ring nematodes  
    • Bermuda grass cultivars with different level of nematode resistance
      • Nitrate leaching
  • 2016
    • Good year for nematode management
    • New Bayer product
      • Safe?
    • Nematicice rotations Sports Turf Safety Research
    • Adam Thoms:
    •  
    •  
  • Center for athletic turf safety
    • Funded by astroturf
    • Half natural, half synthetic
    • Each plot is lined with pond liner and designed for leaching testing
    • Natural
      • Bermuda grass and KBG
      • Soil
        • Silt-loam (native)
        • Sand-cap
    • Synthetic
      • Fiber, denier, thatch (root zone layer), pile, primary polymer, etc.
  • Athletes
    • Contact vs non-contact injuries
      • Prevent non-contact injuries
    • Bio mechanics
    • Athlete-to-surface interactions
      • Ground reaction forces
        • 3-5 times force back on them
    • Issues with natural turf testing
      • Portable device to simulate human reaction with turf
      • Tennessee Athletic Field Tester
        • Change out shoes and forces
  • Temperature on synthetic turf
    • Higher temperaturesàhigher athlete injury rate
    • Irrigation and synthetic turf
      • Works for about 20 minutes
    • Temperature upper limits
    • Build model to predict synthetic turf surface temperatures
      • Maximum forecasted air temperature + maximum forecasted solar radiation
  • Natural turf plots
    • Digital image analysis
    • 30 similar traffic events
      • 10 games a week over 3 weeks
      • 3 games a week over 10 weeks
    • Sand performance
    • Surface hardness
      • 100 GMAX NFL limit
      • All tested surface were playable in wet and dry years
    • Force measurements
      • No differences in cleat interaction
  • Cultivar research
    • Green cover on simulated traffic events
      • Tifway vs Patriot
      • Latitude vs Tifway
      • Northbridge vs Tifway
  • Field quality and weeds
    • Broadleaf and grassy weed effects on athletic field quality
      • %cover vs games
      • Weeds lead to higher chance of head injury vs Bermuda grass
        • Ranges of weed cover testing in the future
  • Hardness testers
    • F355 and Clegg relationship
      • Non-existent
  • Merge natural and artificial turf
  • Cleat design and surface
    • Higher force on more aggressive frontal cleating Lunch Breeding Cold Tolerance in Warm-Season Grasses  
    • Dennis Martin:
    •  
    •  
  • Freezing tolerance vs chilling resistance
    • Chilling tolerant
      • Maintaining color through cold season
    • Freezing tolerant
      • Freeze injury
  • History
    • 1986-USGA/OCAST funding for improved seeded turf-type Bermuda grass
    • 2001-2002-Yukon and Riviera seeded Bermuda grass became available
    • 2002-2003- Patriot interspecific hybrid becomes available
    • 2012- Latitude 36 and Northbridge commercially available
  • Experimental trials
    • Bermudagrass trial
      • OKC varieties
    • Warm season putting green trial  
    • Yanqi Wu:
  • Hybrid bermudagrass
    • Tifgreen
      • Mutations in different environments
    • Tifdwarf
    • Champion dwarf
  • Justification and breeding goal
    • Winterkill
      • No cold-hardy cultivar of this kind has ever been released for transition zone in US
    • Develop cold hardy grass
  • Preliminary data
    • Dwarf type progeny from C. transvaalensis x C. dactylon
  • Future plan
    • Dr. Moss and Dr. Martin replicated mowing trial
    • Dr. Nathan Walker evaluating host plant disease resistance especially Spring Dead Spot
    • Wu to continue to produce new dwarf type interspecific hybrids  
    • Ambika Chandra
  • Long term collaboration between TAMU and KSU to develop new and improved Zoysia grasses for the transition zone.
  • Chisholm
    • Comparable cold-tolerant to Meyer
    • Superior turf quality
    • Rapid rate of establishment
    • Rapid recovery rate
    • Shade tolerant
    • Goof fall color retention
    • High shoot density
    • Low seed-head number
    • Resistant to Zoysia grass mite
  • Finer textured and cold tolerant Zoysia
    • KSUZ 0802 and KSUZ 1201 are superior to Meyer
  • USGA
    • 2012
    • Three state collaboration
      • KSU, TAMU, and Purdue
    • Develop cold hardy and large patch resistant Zoysia grasses
      • 60 have been qualified for advancement
      • Susana R. Milla-Lewis
  • Breeding for cold tolerance in NC
  • St. Augustine
    • Long range of winter survival in North Carolina
    • Raleigh
      • Released in 80’s
      • Could use improvement
      • Industry standard for cold tolerance
      • Ugly
    • Parent selection
    • Improving selection
    • Markers
    • Advanced trials
      • 2014
        • 81 entries
        • 4 locations
      • 2015
        • 45 entries
        • 3 locations
  • Zoysiagrass
    • 2010
    • 80 entries
    • Evaluated 10-11 for winter coverage
    • 350 hybrids per year
    • First trial 2016?
    • MyerxVictoria=175 progeny Dr. Paul Raymer
    •  
    •  
  • Seashore paspalum
  • North Dr. Kemin Su
  •  
  • Cell membrane are primary site of damage
  • Three bermudagrasses
    • Okc 1131
      • Early spring green up
      • Freexing tolerant
    • Tifway
    • Celebration
    • Goals
      • Quantify membrane lipid molecular species change under optimum conditions
      • Identify relationships between lipids and cold tolerance
    • CRD with 5 reps, well waters, lipid sampling, mowed 1xweek at 5 cm
    • Optimum temperature 30 C day, 24 C night with light intensity of 680 umol over 14 hour photoperiod
    • Chilling stress
    • Lipids collected 3 x per day
      • Before chilling treatment
      • 14 days chilling stress
      • 42 days chilling stress
    • 4th time leaf samples were collected when greening up Kevin Kenworthy from Florida
    •  
  • Florida cold tolerant
    • Green all year round
  • SERI program
  • NTEP trials as cold tolerant screen Ambika Chandra:
  •  
  • Update on the SCRI Multi-State Warm-Season Grass Breeding Project
  •  
  • Federal finding to agricultural research and development
  • Specialty crops competitiveness act of 2004
    • Specialty crops
      • Intensively cultivated
      • Used by people
        • Fruits and vegetables, tree nuts, dried fruits and nursery crops.
        • Turfgrass is now included
  • SERI investment by Major Crop Groups
    • Funding to turfgrass research
    • 5 years of finding
    • Variance of proposals throughout the years
    • 3% of funding
  • 2008-2009 proposal deficiencies
    • Need feedback mechanism
    • Management plan
    • No social science component
    • Not enough detail provided on how consumer surveys will be conducted
    • Need experienced turfgrass economist
    • Grant and program coordinator
    • More detail on stages of breeding, germplasm sharing, and evaluation
    • Biotic and abiotic stress tolerant
  • Funded in 2010
  • Objectives
    • Creation of Coordinate Agricultural Projects team
      • 5 species
      • Multi-state team
      • Transdisciplinary
    • Functioning of the ream to promote SSTIP
    • Development of superior cultivars
      • Turfgrass breeding and development
      • DALSA 0605 St. Augustine grass
        • Highly sterile
        • Drought tolerance
        • High Gray LeafSpot tolerance
        • Suppression of Southern Cinch bugs
        • Reasonably good cold tolerance
      • DT-1 Bermudagrass
        • Triploid hybrid
        • More drought tolerant
        • Better establishment
        • Superior traffic resistance
        • Higher sod strength
        • Faster spring green up
        • Greater color retention
      • Gentice and QTL Mapping in bermuda grass drought tolerance
        • More than 100 simple sequence repeat SSR Markers
        • 981 SSR markers in African Bermuda grass
        • 18 linkage groups
      • Sequence-tagged high density genetic map of Zoysia Matrella
        • Crossing diamond and cavalier
        • 95 F1 individuals were genotyped
        • Genetic map of diamond has 2375 RAD markers
        • Cavalier has 3563 RAD markers
  • Cross location progeny evaluation
      • 8 locations
        • Stillwater, Oklahoma
        • Dallas, Texas
        • College Station, Texas
        • Raleigh, North Carolina
        • Griffin, Georgia
        • Tifton, Georgia
        • Jay, Florida
        • Gainesville, Florida
    • Commercialization
    • Consumer preference
      • Determine consumer preferences for drought and salinity tolerant turfgrass based on grass attributes
    • Education
  • Shade tolerance
    • RFT for field shade testing at Tifton, GA
      • Planted summer 2014
      • 70% shade for advanced lines of all four species
  • Structure
    • Holistic approach
    • Measurable parameters
      • Germplasm exchange
      • Germplasm advanced
      • Cultivar releases
      • Graduate student training
      • Publications
      • Socio-economic surveys
      • Extension outreach
  • Challenges
    • Budget
      • 3.8 million over 5 institutions
    • Personal changes
      • 4 CoPis moved/retired
    • Data analysis
      • Method, data template
    • Rating scale/system
      • Standardization
    • Drought
      • Variable across locations
    • Years to selection
      • 2 years for drought evaluation in SSPN and selections for RFT
    • Changes
      • Scope of work based on results and discussion
    • Extension outreach
      • No cultivars on hand for first year of project   Doug Karcher
      •  
      • SERA-25 Business Meeting
      • June 3, 2015
      •  
  • Agenda approval
  • 2014 Meeting Summary (Dara Park)
    • 14 participants in Greenville
    • June 22/23-25
    • 5 year plan
    • New format for the state reports
    • Discussion on next year’s meeting
    • New joint conference
    • Gerald Henry, undergraduate teaching
      • Students are doing too much
      • Promoters
      • Be better at utilizing counselors
      • Distance education
      • Undergraduate vs Graduate
    • Clemson
      • Fertility
      • Nitrogen
      • Asian turf grass counsel and PACE
      • USDA tool kit
      • Organics vs natural sources of chemicals (nitrogen)
        • Stakeholder knowledge
    • Importance of nickel for urea.
    • Program discussion
    • Viability of South joint program
      • No, different states have different requirements
    • Business meeting
      • Attendance
      • 3-4 member steering committee
      • NTEP reports—Jason
    • Grassology
    • Pre-emergence failure
    • Low sod supply
    • Nematodes
    • Tour of field
    • Winter damage and recovery
      • Healthy going in , healthy coming out
      • Zoysia
      • Increasing mowing height in the Fall
      • Covers
      • Prediction models
  • NTEP Report (Jason Kruse)
    • National Arboritum
      • Ways to raise money to cover next 4 years
      • Grassroots installation
        • Engage public
        • Traveling show?
    • New modified grasses
      • Bypass regulation
    • Cool-season grasses
      • Export market
      • GMOs
    • USGA update
      • Grant money
        • Project funding
      • Water
      • Agronomist retiring
      • Taking turf out
      • War season breeding in California
      • Two surveys
        • Water and fertilizer
        • 80 thousand per survey
      • Shelters for projects
  • 2016 Site Selection / Secretary Election
    • History
      • 2nd or 3rd week of June
      • At the beach?
  • Potential states
  • Texas
  • Alabama
  • Louisiana
    • Secretary
      • Dr. Ben Wherley
  • Alabama, 2nd week of June
  • Landgrantimpacts.org
  • No increase in capacity funding
  • Impact discussion for next meeting
  • Mission statement
  • Information exchange relevant to turfgrass extension and research issues
  • Cultivar development, drought resistance, pest management
  • To foster the discussion and exchange of information and ideas related to turfgrass extension and issues.

 

  • Adjourn Urban Extension Programs
  • Matt Elmore
  •  
  • Discussion
    • What causes a lack of visibility in urban areas?
    • Do we desire more visibility?
    • Successful programs
    • New strategies to increase visibility
    • Role of Ext. specialist in more traditional extension programs
  • Urban/suburban visibility
    • Not a new problem
    • Turf interaction
    • Homeowners source of information
      • Family, magazine, retailer, levels, ads, company and extension
    • Problems
      • Do not have time to personally engage all clientele
        • Agents spread thin
        • Lack of funding
        • Young people
      • Limited funding
      • Topics are not “cutting-edge”
    • Potential benefits
      • Impact
      • Lawn and patio shows
    • Audience issues
    • Florida Friendly Landscape Program
    • Engaging athletic field managers
      • Dave Han—Auburn
      • Program to engage coaches that manage fields. More effective in rural areas, moving towards urban areas.
    • SAFE Program in Texas
      • Integrating athlete safety, water conservation, and other agronomic principles
      • 7 million in DFW area
    • Georgia BMP Template
      • Water-use efficiency/conservation plan
      • Measurable impact
    • OSU water program
      • Funding, measurable impact
    • Partnership with industry
      • Fertilizer signs in Calloway’s Nursery
      • 18 locations in Dallas metroplex
      • Sell about 20k bags/year
    • Social Media
      • Extension
      • Conversation
      • Radio shows?
    • Visibility
      • Extension factsheetàyoutube
        • Multi-state Factsheets
          • Utilize expertise of different specialist
          • Administrative support?
    • Low-input lawn management
    • Role in master gardener program
      • Value?Matt Elmore
      • Turf Weed Control Update
  • Herbicide resistance
    • Reported at nearly 60% of golf courses
      • ALS and mitotic inhibitors
    • Roundup, glyphosate, PSll inhibitors, Mitotic inhibitors, ALS inhibitors
  • Texas
    • Collected 25 populations from different courses with suspected resistance
  • International Survey (HEAP)
    • Multiple resistant populations
  • Indaziflam
    • Movement still an issues
    • Fall recommended
  • SureGuard
    • Flumxazin
      • Ppo inhibitor
      • Movement an issue
      • Labeled in dormant form season turf
  • Vary mode of action
    • Code
      • HRAC
      • WSSA
  • New herbicide drought
    • Look at Ag strategies
      • Packaged products
        • ALS
        • HPPD
        • Chloroacetamide
      • MSMA replacements
        • Dallisgrass
          • Topramezone effectiveness
        • Goosegrass
          • Pylex
          • Making triazines cool again?
          • Will they label in Bermuda, paspalum and St. Augustine?
        • Sandbur
          • Pre+Post combinations for control
  • Methiozolin
    • EUP program
    • Materials submitted to EPA
    • Mechanisim for selectivity
    • Injury report
      • Rutgers
  • Khakiweed
    • TAMU TTU collaboration
    • Problem in West Texas
  • Off-types
    • Flow cytometry
      • 52 samples are triplois hybrids
      • Mutations of dwarf burmuda grasses
  • NCSU fate research
  • Other issues
    • Bermuda grass control in everything
    • Annual bluegrass control
    • Broadleaf signalgrass Break Distance Education
    • Joey Young
    •  
    •  
  • University promotion?
    • Comes in waves
    • Florida
  • Extension
  • AgIdea
  • Online classes
    • Filmed lectures
    • Switch view
    • Chunk lectures
      • 5 minute videos
    • 5-10 minute alarm
    • Term glossary
  • Interactivity
    • Discussion board
    • Real time discussion
    • Blackboard
  • Accessibility
    • Captioning Innovative Instruction Techniques
    • Brandon Horvath
    •  
  • Students today
    • Millennials
      • Lazy
      • Tech savvy
        • Just because they use technology doesn’t mean they can actually use it
  • Enrollment
    • Visibility problems
      • Posters from marketing program
      • Careers that never stop growing
      • Guerilla marketing
        • Sod the homecoming rock
    • Goals
      • Increase enrollment
        • Was going down -18, now ~25
        • Goal about 35
      • Increase visibility
        • Athletic
        • Placement of ad materials on campus
        • Placements around town
          • Banners
  • Flipped classroom and game dynamics
    • Put lecture in video, assign as homework. Homework comes into class.
    • Background
      • Tired of students doing ‘grade calculus’
      • Wanted to find something that shifted responsibility back to students
      • “I love teaching, and not unlike Stephen Brookfield, Ive been there…”
    • Flipping with FIZZ
      • Dr. Lodge McCammon
      • FIZZ Flipped Classroom
      • Blooms Taxonomy
  • Implementation
    • White board pieces
    • YouTube videos
    • Questions
  • Game dynamics
    • Level-up system
    • Challenges, not homework
      • Graded on binary system
      • Optional
      • Glossary challenge
      • Twitter challenge
        • Post things from class
      • Missed questions challenge
    • Snow day
      • 8 showed up, 4 did not
      • Worth 25 points
      • Immediate takeaways
        • Can be overwhelming
        • Lots of technology available
        • Doesn’t mean you have to use it
        • Onebutton studio
          • Free app
          • In app purchases Lunch State Reports (KY, LA, MS, NC, NM)
          • Various State Rep’s
          •  
          •  
  • Louisiana
    • Moving forward despite budget challenges
    • Research
      • Two grad students last year
      • 3 will finish this year
  • Projects
  • Funding
  • Teaching
      • 8-10 students
      • 2 different concentrations
        • Turf landscape
        • Horticulture
        • Extension
        • Personnel
        • Publication being updated
        • Conference continues
  • Mississippi
    • Personnel
      • New hires
    • Grad students
      • 3
    • Awards
    • Conferences
      • Deep south turf expo
        • Biloxi, Nov 12
      • Field day
        • Aug 25th
    • NTEP
      • Tall fescue
      • Bermudagrass
    • Teaching program
      • Changes
        • Intro to turf class
          • 70-80 students
          • Golf management students
  • North Carolina
    • Teaching
      • Aging faculty
      • Staff
        • 16
      • 14 grad students
      • 33 4 year students
      • 32 two year students
    • Decline
      • University policies
    • Honors and awards
    • Turf files
      • Updates
    • Conferences
      • 8
      • Sod producers meeting
    • Short-course
      • 5 day instruction
      • Extension and industry people
      • Cert program
    • Field days
      • Raleigh, 12th August
        • Lawn care industry
        • 750-850
      • Sandhills
        • 100
    • NTEP trials
    • Publications
      • 30 refereed articles
      • 32 extension popular press publications
  • Oklahoma
    • Hort department
      • 6 grad students
      • 10 undergraduates
    • OSU-OKC
      • 2 year program
      • 9 students
    • Field day
    • Turf conference
  • Tennessee
    • 7 faculty
      • Research and extension specialists
      • Grad students
        • 9
    • Honors and awards
    • Field day, Sept 12
    • Conferences
    • Funding issues
      • Charged for plot space
    • Publications
  • Texas
    • Faculty
      • Dallas Center
    • Texas Tech
    • Carleton State
      • Course changes
    • Grad Student
      • A&M
        • 8
    • Student
      • 35
    • Honors and awards
    • Updates to Aggie Turf website
    • TTUTurf social media
    • State turfgrass conferences
    • Field Day
      • Homeowner field day
        • 200 registrants
      • Texas Tech field day
        • July 15th
      • TAMU field day
        • October
    • NTEP Trials
    • Course
      • Sports field construction
    • Turf-field laboratory
  • South Carolina
    • Faculty
      • 7 faculty
      • 5 actively teaching
    • Athletics connection
    • New president
      • September 2014
      • Ag guy
      • Provost
        • From West Virginia
    • Agricultural and Environmental sciences department
      • 60 faculty
    • New hires
      • New dean
      • New director of extension
      • Positions
        • Soil ecologist
        • Nutrient Manager
    • Extension
      • Reestablishment
    • Students
      • 20
      • Grad
        • 15
    • Field day
      • Alternate schedule
      • Moved to April
      • Bluegrass control Field day
        • April
    • Conference partnership
    • Walker course
      • Rated 14th for collegiate golf courses
      • Offering tours
      • Renovation
    • Industry
      • Round for research
      • 8th-21st
    • Awards and Honors  Jason Kruse
    • Turfgrass Light Requirements Research
    •  
  • Effect of shade intensity and duration on warm-season turfgrass growth and development
  • Experiment 1
    • Turfgrass cultivars
    • Temperature
      • Three different temp regimens
        • Summer
          • 35, 20 degrees C
        • Spring
          • 30, 15 degrees C
        • Winter
          • 25, 10 degrees C
      • DLI requirements by season
  • Experiment 2
    • Instruments
      • Spectrum technologies DLI 100 light meter
      • Measures and complies light intensity for entire day
    • Determine viability
    • Experiments set up in various places around putting greens
      • DLM vs QLS
      • Issues in southwest with too much light
  • Experiment 3
    • Mowing height
    • Greenhouse study
      • Bermuda and paspalum
    • Green vs fairway
      • Relationship between cut and light requirements
  • Spreadsheet
    • DLI curve available
  • Shade structure
    • Research at UofA
    • Light meters underneath
    • Over-seeded vs non-over-seeded
      • Various shade situations
    • Athletic field setting, minimum DLI requirement
  • Minimum light for bermudagrass
    • Lawn or rough
      • 22.0 mol/m2/day
    • Fairway or sports turf
      • 27.0 mol/m2/day
    • Greens
      • 33.0 mol/m2/day
  • Discussion
    • Temperature gauges
    • Light quality
    • Humidity
    • Research suggestions
    • Collaboration Turfgrass Water Use Research
    • Mike Richardson
    •  
  • Current initiatives in drought research in the southwest
    • SCRI warm season breeding project
    • USGA/NTEO water use study
      • Funding
        • 100,000 PER YEAR FROM 5 YEARS
        • Additional funding through NTEP entry fees
        • Will seek additional finding from organizations
      • Current status
        • USGA wants water use data for species and cultivars
        • Developing alternative protocols for conducting studies
          • Chronic drought stress
            • Water use of drought-tolerant turfgrass under chronic stress
            • Gallons of water used over duration of study
          • Actual water use
          • Acute drought stress
        • Early money can be used to build drought structures at university sites
      • Start date
        • Fall 2015 (ambitious)
      • Structures
        • Rainout used for turfgrass screening
        • Full-time maintenance
        • Expensive
        • Fixed roof rainout
          • Costs less
          • Light reduction
            • 7%
          • Moveable
            • Gutters and endcaps
            • 4 mm plastic
          • http://www.smallfarmtools.com/pages/pipe-skid-tunnels
    • Turfgrass Water Conservation Alliance
      • Not just companies and private plant breeders
      • Water authorities
        • They set the rules
      • Benefits
        • Information
          • Newsletter
      • Membership is free for university people
      • Founded by 4 seed companies, have since added.
        • Work together to establish guidelines and a standard for drought-tolerant labeling
      • Determine what grasses in trials qualify for drought-tolerant label
      • Issues
        • 70% drought tolerance in mixes
      • Discussion on opening approval to everyone
      •  

3:15 – TBD Optional SCRI Tour / Dinner in Stillwater  

Accomplishments

Southern Extension and Research Activities Information Exchange Group

(SERA-IEG 25)

2015 State Report

 

State: Alabama

 

Representative:

Name: David Han

Title: Associate Prof / Extension Specialist

Institution: Auburn University

Department: Agronomy and Soils

Address: 201 Funchess Hall

City: Auburn University

State: AL

Zip Code: 36849-5412

Telephone: 334-844-3980

FAX: 334-844-3945

Email: handavi@auburn.edu
         

 

Personnel (Faculty, Collaborators, Extension, Staff):

Name

Title

Specialty

Location

Email

David Han

Associate Prof / Ext Specialist

Management, Pathology

Auburn

handavi@auburn.edu

Elizabeth Guertal

Professor

Nutrient management

Auburn

guertea@auburn.edu

J. Scott McElroy

Associate Professor

Weed Science

Auburn

jsm0010@auburn.edu

Steve Li

Assistant Professor / Ext Specialist

Weed Science

Auburn

xzl0004@auburn.edu

David Held

Associate Professor

Entomology

Auburn

dwh0004@auburn.edu

James Jacobi

Extension Specialist

Pathology / Diagnostics

Birmingham

jacobjc@aces.edu

Kassie Conner

Extension Specialist

Pathology / Diagnostics

Auburn

connekn@aces.edu

Edzard van Santen

Professor

Breeding

Auburn

vanedza@auburn.edu

Jim Harris

Associate Director, Ag Research & Extension Center

Management

Auburn

Harrij5@auburn.edu

Emeriti Faculty:

Name

Title

Specialty

Location

Email

Ray Dickens

Professor

Management

Arkansas

     

Harold Walker

Professor

Weed Science

Alabama     

     

David Teem     

Professor

Weed Science

Alabama

     

 

Graduate Students:

Name

Degree

Advisor

Project

Email

Lauren Alex James

MS

Guertal

     

     

Philipe Aldahir

PhD

McElroy

Evaluations of traffic tolerance in sports turf

     

Jay McCurdy

PhD

McElroy

White Clover in bermudagrass lawns

     

Ethan Parker

MS

McElroy

Auxin herbicide physiology

     

Shu Chen

PhD

McElroy

Genetics of Poa species

     

Hui Zhang

PhD

McElroy

 

     

William Head

MS

McElroy

 

 

Ray Willet

MAg

McElroy

N/A

 

Ashley Wilkinson

M.Turf

Han

TBD

     

Ray Bartels

M.Turf

Han

TBD

 

Baoxin Chang

MS

Guertal

Phosphorus fertilizers and fungicides and disease incidence

     

 

 

 

 

 

Adekunle Adesanya

MS

Held

Gut Bacteria and Enzymes in Japanese beetles

 

Murphey Coy

PhD

Held

Effect of plant growth promoting rhizobacteria on insect and diseases of turfgrass

     

 

Retirements:

Name

Title

Dates of Service

R. Harold Walker

Professor

1999-2014

     

     

     

     

     

     

 

Resignations:

Name

Title

Dates of Service

     

     

     

     

     

     

 

Necrology:

Name

Title

Dates of Service

Date of Passing

 

 

 

 

     

     

     

     

 

Honors and Awards:

Name

Honor or Award

Date

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

 

Turfgrass Websites:

http://www.ag.auburn.edu/agrn/turf/

     

http://www.facebook.com/pages/Auburn-University-Turfgrass-Management/105135376204421

     

     

     

 

State Turfgrass Conferences (2014-15):

Title

Location

Date

 

 

 

Alabama Turfgrass Association Annual Conference and Tradeshow

Auburn

Oct 28-29, 2014

ATA Turfgrass Roadshow

Loxley, AL

Jan 7, 2015

ATA Turfgrass Roadshow

Birmingham, AL

Jan 21, 2015

ATA Turfgrass Roadshow

Dothan, AL

Feb 4, 2015

ATA Turfgrass Roadshow

Montgomery, AL

Jan 28, 2015

ATA Turfgrass Roadshow

Huntsville, AL

Feb 11, 2015

 

Field Days (2014-15)

Title

Location

Date

AU Turfgrass Field Day

Auburn

Mar 19, 2015

ATA Sports Turf Field Day

Birmingham, AL

May 15, 2014

 

Current NTEP Trials (check all that apply):

Location(s): Auburn, AL

P. Ryegrass

 

Tall Fescue

K.Bluegrass

F. Fescues

Bentgrass

Buffalograss

S.Paspalum

St. Aug.

Zoysiagrass X

Bermuda X

 

Publications (e.g. refereed, extension, etc.): 2014-15

Author(s): Han, D.Y.

Title: Fungicides: What they Do (and Don’t)

Source: Sports Turf 30(1)

Page Numbers: 28-31

 

Author(s): Han, D.Y

Title: Winter Damage on Warm Season Turfgrasses

Source: Alabama Turf Times, Summer 2014

Page Numbers: 24-25

 

Author(s): Han, D.Y

Title: Home Lawns

Source: In: Smith, K. ed. Gardening in the South: Landscaping

Page Numbers: ibook

 

Author(s): Han, D.Y

Title: Fungicides: What They Do (and Don’t Do)

Source: Alabama Turf Times, Spring 2014

Page Numbers: 18-20

 

Author(s): Meeks, M.,A. Chandra, S. Metz, A.D. Genovesi, J.C. Read, R. White, G. Miller, E. Guertal, W. Philley and J. Sorochan

Title: Registration of DALBG 1201 hybrid bluegrass

Source: . Journal of Plant Registrations

Page Numbers:

 

Author(s): Han, D.Y.

Title: Fall Armyworms in Turfgrass

Source: https://sites.aces.edu/group/timelyinfo/Lists/Posts/Post.aspx?ID=729

Page Numbers:      

 

Author(s): Han, D.Y

Title: Preparing Warm Season Turfgrasses for Winter

Source: https://sites.aces.edu/group/timelyinfo/Lists/Posts/Post.aspx?ID=743

Page Numbers:      

 

Author(s): McElroy, J.S.

Title: Vavilovian mimicry: Nikolai Vavilov and his little-known impact on weed science

Source: Weed Sci. 62

Page Numbers: 207-216

 

Author(s): Flessner, M.L., J.S. McElroy, and G.R. Wehtje

Title: Annual bluegrass (Poa annua) control in glyphosate-resistant perennial ryegrass overseeding

Source: Weed Technol. 28

Page Numbers: 213-224

 

Author(s): Aldahir, P.C.F. and J.S. McElroy

Title:  A review of sports turf research techniques related to playability and safety standards

Source: Agronomy J 106

Page Numbers: 1297-1308

 

Author(s): McCurdy, J.D., J.S. McElroy, E.A. Guertal, and C. Wood

Title: White clover inclusion within a bermudagrass lawn:  Effects of supplemental nitrogen on botanical composition and nitrogen cycling.

Source: Crop Sci 54

Page Numbers: 1796-1803

 

Author(s): Runion, G.B., S.A. Prior, A.J. Price, J.S. McElroy, and H.A. Torbert

Title: .  Effects of elevated CO2 on biomass and fungi associated with two ecotypes of ragweed (Ambrosia artemisiifolia L.).

Source: Front. Plant Sci. 5

Page Numbers: 500

 

Author(s): Wang, Z, H. Hu, L.R. Goertzen, J.S. McElroy, and F. Dane. 

Title: Analysis of Citrullus colocynthis transcriptome during water deficit stress

Source: PloS One 9(8), e104657

Page Numbers:      

 

Author(s): Hoisington, N.R., M.L. Flessner, M. Schiavon, J.S. McElroy, J.H. Baird. 

Title: .  Tolerance of bentgrass (Agrostis) species and cultivars to methiozolin

Source: Weed Technol. 28

Page Numbers: 501-509

 

Author(s): Chen, S., J.S. McElroy, M.L. Flessner, F. Dane

Title: Utilizing next-generation sequencing to study homeologous polymorphisms and herbicide-endowing mutations in Poa annua acetolactate synthase genes

Source: Pest Manag. Sci. DOI: 10.1002/ps.3897

Page Numbers:      

 

Author(s): Flessner, M.L., G.R. Wehtje, J.S. McElroy, J.A. Howe. 

Title: Methiozolin sorption and mobility in sand-based root zones.

Source: Pest Manag. Sci. DOI: 10.1002/ps.3896

Page Numbers:      

 

Author(s): Chen, S., J.S. McElroy, F. Dane, E. Peatman. 

Title: Optimizing transcriptome assemblies for leaf and seedling by combining multiple assemblies from three de novo assemblers

Source: The Plant Genome doi: 10.3835/plantgenome2014.10.0064

Page Numbers:      

 

Author(s): McElroy, J.S.

Title: Preventing and managing herbicide resistant weeds

Source: Alabama Turf Times Winter 2015

Page Numbers: 16-19

 

 

Author(s): McElroy, J.S.

Title: Potential off-target movement of Sureguard and other herbicides onto creeping bentgrass putting greens.

Source: Alabama Green Summer Issue

Page Numbers: 16-19

 

Author(s): McElroy, J.S.

Title: Preemergence weed control in warm season grasses is key.

Source: Golfdom magazine. http://www.golfdom.com/herbicide-resistant-annual-bluegrass/

Page Numbers:      

 

 

 

Research Projects (collaborative with other SERA-IEG 25 members): 2010 & 2011

P.I.

Title

Duration (yr-yr)

Meeks, M.,A. Chandra, S. Metz, A.D. Genovesi, J.C. Read, R. White, G. Miller, E. Guertal, W. Philley and J. Sorochan.

Meeks, M.,A. Chandra, S. Metz, A.D. Genovesi, J.C. Read, R. White, G. Miller, E. Guertal, W. Philley and J. Sorochan. Registration of DALBG 1201 hybrid bluegrass.

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

 

Other Information (e.g. renovations, upgrade, facilities, etc.)

     

 

  

Southern Extension and Research Activities Information Exchange Group

(SERA- IEG 25)

State: Arizona

 

Representative:

Name: David Kopec

Title: Extension Specialist / Turfgrass

Institution: University of Arizona

Department: Plant Sciences

Address: Room 303 Forbes Building

City: Tucson

State: AR

Zip Code: 85721

Telephone: (520)241-7450

FAX: (520) 621-7187

Email: dmk@email.arizona.edu
         

 

Personnel (Faculty, Collaborators, Extension, Staff):

Name

Title

Specialty

Location

Email

David Kopec

Ext. Spec.

Turfgrass Management

Univ Az.

dmk@email.arizona.edu

Mohammed

Pessarakli

Professor - Research

Turfgrass physiology

Univ Az.

pesserak@email.arizona.edu

Jeff Gilbert

Research Spec. Snr.

Turfgrass Management / irrigation

Univ Az.

jgilbert@email.arizona.edu

Kai Umeda

Extension Agent /Turfgrass

Weed control

Coop. Ext.

Maricopa County

kumeda@cals.arizona.edu

Paul Brown

Assoc. Prog. Dir. CE.

Biometeorology / water use.

Univ Az.

pbrown@ag.arizona.edu

Mary Olsen

Extension Spec.

Plant pathology

Univ Az.

molsen@ag.arizona.edu

James Walworth

Extension Spec.

Soil and water.

Univ. Az.

walworth@cals.arizona.edu

 

Emeriti Faculty:

Name

Title

Specialty

Location

Email

 

Graduate Students:

Name

Degree

Advisor

Project

Email

 

Retirements:

Name

Title

Dates of Service

Mike McClure

Prof. Nematology

1971 - 2014

Mary Olsen

Ext. Spec. Plant Pathology

1985 – Dec 31st 2015

 

 

Necrology:

Name

Title

Dates of Service

Date of Passing

 

Honors and Awards:

Name

Honor or Award

Date

David Kopec

Ike Grainger Award - USGA

Feb 2014.

     

     

     

 

Turfgrass Websites:

http://turf.arizona.edu

     

 

State Turfgrass Conferences (2012 and 2013):

Title

Location

Date

Turfgrass IPM Seminars (CEU) based.

Maricopa. Pima, Pinal Counties.

Various.

Smart Scape Series Seminars

 

Maricopa and Pima Counties

Various.

Annual Turf School

Maricopa County

First week Jan.

Football Turf Field Day

Maricopa County

April

Synthetic Turf Field Day

Pima County

March ???

Glyphosate resistance work group.

UA/ UCD

DATE ???

Various local/state seminars

Cactus Pine GCSA, Hort. Seminars, State Parks and Recreation etc.

 

 

 

Field Days (2011 and 2012):

Title

Location

Date

Karsten Field Day (2014)

Tucson, Az.

May 4th, 2014

Karsten Field Day (2015)

Tucson, Az.

May 6th, 2015

U/A Overseeding   Ext. Demonstration.

Tucson, Az.

Spring, 2014

 

Current NTEP Trials

Location(s): Fayetteville, AR

Bermudagrass greens

 

 

Bermudagrass fwy.

 

Zoysia/Paspalum greens

 

 

Zoysiagrass fwy.

 

 

Research Projects

P.I.

Title

Duration (yr-yr)

Kai Umeda

·        Topramezone seasonal timing and rate investigation for bermudagrass removal on golf green collars.

·        Topramezone rate determination for goosegrass control in bermudagrass turf.

·        methiozolin timing of application in early or late fall season for Poa control on bentgrass greens.

·        Methiozolin comparison of efficacy of rates followed by water applications.

·        Amicarbazone formulations comparison and seasonal timing for efficacy against Poa annua.

·        Kurapia ground cover evaluation for non-play areas on golf courses.

 

2014-ongoing

Mohammed Pessarakli

·        Evaluation of 6 seashore paspalums for salinity tolerance.

·        Evaluation of six perennial ryegrasses for salt tolerance.

·        Tall fescue response to Bio-stimulants.

·        Field drought tolerance of selected saltgrass clones.

·        Oscillating salt stress assessment technique for Sea Spray Seashore paspalum.

2014-2015

Paul Brown /

J. Walworth

·        Salinity and sodium management of Tifway 419 as determined by soil cultivation,  and applications of gypsum or free elemental sulfur amendments.

2014-2016

Jeff Gilbert

·        Drip irrigation modeling for Landscape Plants.  w/ U.K. Schuck, Urban Hort. Specialist.

2015-2016

David Kopec

·        Low water use grasses for secondary roughs.

·        Curly mesquitegrass for turf.

·        Sprucetop grama for turf.

·        Fairway overseeding trials

·        PGR suppression of Poa annua in overseeded fairways.

·        Acute drought tolerance of 36 bermudagrass clones.

·        Tolerance of Tifway bermudagrass to Tenacity and Princep herbicides.

 

2015 - ongoing

 

Research Projects (collaborative with other SERA-IEG 25 members): 2014 & 2015

P.I.

Title

Duration (yr-yr)

     

     

     

 

 

 

 

 

Other Information (e.g. renovations, upgrade, facilities, etc.)

 

 

 

 

Formal Instruction:

Instructor.

Title

Duration (yr-yr)

M. Pessarakli.

Introduction to Turfgrass Science / Management 355

Fall 2014

D. Kopec

Golf and Sports Turf Management  270

Spring 2015.

 

 

Publications (e.g. refereed, extension, etc.): 2010 and 2011

Refereed

 

Etemadi, Nematollah, Mohamad-Hossein Sheikh-Mohamadi, Ali Nikbakht, Mohammad Reza Sabzalian, and Mohammad Pessarakli. 2015. Influence of Trinexapac-ethyl in Improving Drought Resistance of Wheatgrass and Tall Fescue. Acta Physiologiae Plantarum, 37(53:1–17. 

 

Pessarakli, Mohammad and Dennis E. McMillan. 2014. Seashore Paspalum, a High Salinity Stress Tolerant Halophytic Plant Species for Sustainable Agriculture in Desert Regions and Combating Desertification. International Journal of Water Resources and Arid Environments, 3(1): 35-42.

 

Pessarakli, Mohammad. 2014. Saltgrass, a True Halophytic Plant Species for Sustainable Agriculture in Desert Regions. Research on Crop Ecophysiology, 9/1(1): 1-11.

 

Nikbakht, Ali, Mohammad Pessarakli, Naghmeh Daneshvar-Hakimi-Maibodi, and Mohsen Kafi. 2014. Perennial Ryegrass Growth Responses to Mycorrhizal Infection and Humic Acid Treatments. Agronomy Journal. 106 (2): 585-595.

 

Books:

 

Pessarakli, M. (Ed.). 2014. Handbook of Plant and Crop Physiology, 3rd Edition, Revised and Expanded. CRC Press, Taylor & Francis Publishing Group, Florida, 1080p.

 

 

 

Book Chapters:

 

Nikbakht, Ali and Mohammad Pessarakli. 2014. New Approaches to Turfgrass Nutrition: Humic Substances and Mycorrhizal Inoculation. In: Handbook of Plant and Crop Physiology, 3rd Edition, Revised and Expanded (M. Pessarakli, Ed.), 913-925, CRC Press, Taylor & Francis Publishing Group, Florida.

Southern Extension and Research Activities Information Exchange Group

(SERA-IEG 25)

2014-15 State Report

 

State: Georgia

 

Representative:

Name: Clint Waltz

Title: Professor

Institution: University of Georgia

Department: Crop and Soil Sciences

Address: C&SS, Redding Bldg., 1109 Experiment Street

City: Griffin

State: GA

Zip Code: 30223

Telephone: (770)228-7300

FAX: (770)228-7271

Email: cwaltz@uga.edu
         

 

Personnel (Faculty, Collaborators, Extension, Staff):

Name

Title

Specialty

Location

Email

Katrien Devos

Professor

Plant Breeding & Genomics

UGA – Athens

kdevos@uga.edu

Gerald Henry

Assoc. Professor

Environmental Turfgrass Science

UGA – Athens

gmhenry@uga.edu

Will Hudson

Professor

Specialist – Turfgrass Entomology

UGA – Athens

wghudson@uga.edu

Elizabeth Little

Asst. Professor

Specialist – Homeowner Turfgrass Pathology

UGA – Athens

elittle@uga.edu

Andy Paterson

Professor

Plant Geneticist

UGA – Athens

paterson@uga.edu

Forest Stegelin

Assoc. Professor

Ag. & Applied Economics

UGA – Athens

stegelin@uga.edu

Ellen Bauske

Program Coordinator

Center for Urban Ag.

UGA – Griffin

ebauske@uga.edu

Kris Braman

Professor

Turfgrass Entomology

UGA – Griffin

kbraman@uga.edu

Zhenbang Chen

Research Scientist

Plant Genomics

UGA – Griffin

zchen@uga.edu

Wojciech Florkowski

Professor

Ag. & Applied Economics

UGA – Griffin

mwflorko@uga.edu

Mussie Habteselassie

Assoc. Professor

Env. Soil Microbiology

UGA – Griffin

mussieh@uga.edu

Melanie Harrison

Curator

USDA – PGRCU

UGA – Griffin

melanie.harrison@ars.usda.gov

Jack Huang

Assoc. Professor

Water Chemistry & Env. Sciences

UGA – Griffin

qhuang@uga.edu

Monique Leclerc

Professor

Biomicrometeorology

UGA – Griffin

mleclerc@uga.edu

Alfredo Martinez

Professor

Specialist – Turfgrass Pathology

UGA – Griffin

amartine@uga.edu

Patrick McCullough

Assoc. Professor

Specialist – Turfgrass Weed Science

UGA – Griffin

pmcull@uga.edu

Paul Raymer

Professor

Turfgrass Breeder

UGA – Griffin

praymer@uga.edu

Clint Waltz

Professor

Turfgrass Management

UGA – Griffin

cwaltz@uga.edu

Karen Harris-Shultz

Research Geneticist

USDA – Crop Genetics & Breeding

UGA – Tifton

karen.harris@ars.usda.gov

Brian Schwartz

Assoc. Professor

Turfgrass Breeder

UGA – Tifton

tifturf@uga.edu

Jialin Tu

Post Doc

Turfgrass Weed Science

UGA – Griffin

 

Wong

Post Doc

Water Chemistry & Env. Sciences

UGA – Griffin

 

Kevin Tucker

Technician

Environmental Turfgrass Scienc

Impacts

Publications

Author(s): Han, D.Y.

Title: Fungicides: What they Do (and Don’t)

Source: Sports Turf 30(1)

Page Numbers: 28-31

 

Author(s): Han, D.Y

Title: Winter Damage on Warm Season Turfgrasses

Source: Alabama Turf Times, Summer 2014

Page Numbers: 24-25

 

Author(s): Han, D.Y

Title: Home Lawns

Source: In: Smith, K. ed. Gardening in the South: Landscaping

Page Numbers: ibook

 

Author(s): Han, D.Y

Title: Fungicides: What They Do (and Don’t Do)

Source: Alabama Turf Times, Spring 2014

Page Numbers: 18-20

 

Author(s): Meeks, M.,A. Chandra, S. Metz, A.D. Genovesi, J.C. Read, R. White, G. Miller, E. Guertal, W. Philley and J. Sorochan

Title: Registration of DALBG 1201 hybrid bluegrass

Source: . Journal of Plant Registrations

Page Numbers:

 

Author(s): Han, D.Y.

Title: Fall Armyworms in Turfgrass

Source: https://sites.aces.edu/group/timelyinfo/Lists/Posts/Post.aspx?ID=729

Page Numbers:      

 

Author(s): Han, D.Y

Title: Preparing Warm Season Turfgrasses for Winter

Source: https://sites.aces.edu/group/timelyinfo/Lists/Posts/Post.aspx?ID=743

Page Numbers:      

 

Author(s): McElroy, J.S.

Title: Vavilovian mimicry: Nikolai Vavilov and his little-known impact on weed science

Source: Weed Sci. 62

Page Numbers: 207-216

 

Author(s): Flessner, M.L., J.S. McElroy, and G.R. Wehtje

Title: Annual bluegrass (Poa annua) control in glyphosate-resistant perennial ryegrass overseeding

Source: Weed Technol. 28

Page Numbers: 213-224

 

Author(s): Aldahir, P.C.F. and J.S. McElroy

Title:  A review of sports turf research techniques related to playability and safety standards

Source: Agronomy J 106

Page Numbers: 1297-1308

 

Author(s): McCurdy, J.D., J.S. McElroy, E.A. Guertal, and C. Wood

Title: White clover inclusion within a bermudagrass lawn:  Effects of supplemental nitrogen on botanical composition and nitrogen cycling.

Source: Crop Sci 54

Page Numbers: 1796-1803

 

Author(s): Runion, G.B., S.A. Prior, A.J. Price, J.S. McElroy, and H.A. Torbert

Title: .  Effects of elevated CO2 on biomass and fungi associated with two ecotypes of ragweed (Ambrosia artemisiifolia L.).

Source: Front. Plant Sci. 5

Page Numbers: 500

 

Author(s): Wang, Z, H. Hu, L.R. Goertzen, J.S. McElroy, and F. Dane. 

Title: Analysis of Citrullus colocynthis transcriptome during water deficit stress

Source: PloS One 9(8), e104657

Page Numbers:      

 

Author(s): Hoisington, N.R., M.L. Flessner, M. Schiavon, J.S. McElroy, J.H. Baird. 

Title: .  Tolerance of bentgrass (Agrostis) species and cultivars to methiozolin

Source: Weed Technol. 28

Page Numbers: 501-509

 

Author(s): Chen, S., J.S. McElroy, M.L. Flessner, F. Dane

Title: Utilizing next-generation sequencing to study homeologous polymorphisms and herbicide-endowing mutations in Poa annua acetolactate synthase genes

Source: Pest Manag. Sci. DOI: 10.1002/ps.3897

Page Numbers:      

 

Author(s): Flessner, M.L., G.R. Wehtje, J.S. McElroy, J.A. Howe. 

Title: Methiozolin sorption and mobility in sand-based root zones.

Source: Pest Manag. Sci. DOI: 10.1002/ps.3896

Page Numbers:      

 

Author(s): Chen, S., J.S. McElroy, F. Dane, E. Peatman. 

Title: Optimizing transcriptome assemblies for leaf and seedling by combining multiple assemblies from three de novo assemblers

Source: The Plant Genome doi: 10.3835/plantgenome2014.10.0064

Page Numbers:      

 

Author(s): McElroy, J.S.

Title: Preventing and managing herbicide resistant weeds

Source: Alabama Turf Times Winter 2015

Page Numbers: 16-19

 

 

Author(s): McElroy, J.S.

Title: Potential off-target movement of Sureguard and other herbicides onto creeping bentgrass putting greens.

Source: Alabama Green Summer Issue

Page Numbers: 16-19

 

Author(s): McElroy, J.S.

Title: Preemergence weed control in warm season grasses is key.

Source: Golfdom magazine. http://www.golfdom.com/herbicide-resistant-annual-bluegrass/

Page Numbers:      

Etemadi, Nematollah, Mohamad-Hossein Sheikh-Mohamadi, Ali Nikbakht, Mohammad Reza Sabzalian, and Mohammad Pessarakli. 2015. Influence of Trinexapac-ethyl in Improving Drought Resistance of Wheatgrass and Tall Fescue. Acta Physiologiae Plantarum, 37(53:1–17. 

Pessarakli, Mohammad and Dennis E. McMillan. 2014. Seashore Paspalum, a High Salinity Stress Tolerant Halophytic Plant Species for Sustainable Agriculture in Desert Regions and Combating Desertification. International Journal of Water Resources and Arid Environments, 3(1): 35-42.

 Pessarakli, Mohammad. 2014. Saltgrass, a True Halophytic Plant Species for Sustainable Agriculture in Desert Regions. Research on Crop Ecophysiology, 9/1(1): 1-11.

 Nikbakht, Ali, Mohammad Pessarakli, Naghmeh Daneshvar-Hakimi-Maibodi, and Mohsen Kafi. 2014. Perennial Ryegrass Growth Responses to Mycorrhizal Infection and Humic Acid Treatments. Agronomy Journal. 106 (2): 585-595.

 Books: 

Pessarakli, M. (Ed.). 2014. Handbook of Plant and Crop Physiology, 3rd Edition, Revised and Expanded. CRC Press, Taylor & Francis Publishing Group, Florida, 1080p.

Book Chapters: 

Nikbakht, Ali and Mohammad Pessarakli. 2014. New Approaches to Turfgrass Nutrition: Humic Substances and Mycorrhizal Inoculation. In: Handbook of Plant and Crop Physiology, 3rd Edition, Revised and Expanded (M. Pessarakli, Ed.), 913-925, CRC Press, Taylor & Francis Publishing Group, Florida.

Keck, C.L., S. Snyder, M.J. Gotcher, J.M. Schroeder, D.L. Martin, M.A. Schnelle, J. Vogel and J.Q. Moss. 2014. Water conservation guide for Oklahoma home lawns and landscapes. Oklahoma Cooperative Extension Service Publication E-1038.

Martin, Dennis. 2014. Plant patents and the turfgrass producer. Turfgrass Producers International. Turf News 2014 (6):77, 78.

Martin, Dennis. 2014. Thatch management in lawns. HLA6604. Stillwater, OK. (Revised May 2014).

Martin, D.L. 2014. Too late for glyphosate? Turf Weekly. March 13, 2014. Golf Course Supt Assoc. Amer. Online at: http://gcsa.informz.net/InformzDataService/OnlineVersion/Individual?mailingInstanceId=3123811&subscriberId=810481598.

Martin, Dennis. 2014. Understanding pedigree sod certification programs. Turfgrass Producers International. Turf News 2014 (5):34, 36-37.

Martin, D., S. Batten, J. Moss and D. Hillock. 2014. 2014 Spring Oklahoma Turfgrass Sod Source Directory. CR 6605. Stillwater, OK. Moss, J.Q. and D.L. Martin. 2014. Evaluation of water use rates among bermudagrass cultivars. USGA TERO 13(2):10-11.

Martin, D. and W. Liu. 2014. Spring 2014 US Creeping Bentgrass Sod Source Directory. CR 6611. Stillwater, OK. 4 pages.

Tan, C.C., Y.Q. Wu, C.M. Taliaferro, G.E. Bell, D.L. Martin, and M.W. Smith. 2014. Development and characterization of genomic SSR markers in Cynodon transvaalensis Burtt-Davy. Molecular Genetics and Genomics 289: 523-531. doi: 10.1007/s00438-014-0829-1.

Tan, C.C., Y.Q. Wu, C.M. Taliaferro, G.E. Bell, D.L. Martin, M.W. Smith, and J.Q. Moss. 2014. Selfing and outcrossing fertility in Cynodon dactylon (L.) Pers. var. dactylon under open pollinating conditions examined by SSR markers. Crop Sci. doi: 10.2135/cropsci2013.12.0816.

Wu, Y., and D.L. Martin. 2014. Breeding and Evaluation of Turf Bermudagrass Varieties. USGA Turfgrass and Environmental Research Online. 13(3):17-18. Available on-line at: http://usgatero.msu.edu/v13/n3-17.pdf.

Wu, Y., D.L. Martin, C.M. Taliaferro, J.A. Anderson and J.Q. Moss. 2014. Latitude 36 Turf Bermudagrass (Cynodon dactylon X C. transvaalensis). US Plant Patent 24,271. Issued: 02-25-2014. On-line at: https://www.google.com/patents/USPP24271.

 

  1. Billeisen, T.L., Brandenburg, R.L. 2014. Biology and Management of the Sugarcane Beetle (Coleoptera: Scarabaeidae) in Turfgrass. Journal of Integrated Pest Management. 5(4): B1-B5.
  2. Chandra, A., A.D. Genovesi, B.G. Wherley, S.P. Metz, J.A. Reinert, Y-Z. Wu, P. Skulkaew, M.C. Engelke, D. Hargey, L.R. Nelson, B.M. Schwartz, P.L Raymer, Y.Wu Wu, D.L. Martin, S.R. Milla-Lewis, G. Miller, K.E. Kenworthy, and P. Munoz. 2014. Registration of ‘DALSA 0605’ St. Augustinegrass. J. Plant Registrations. 9:27-35.
  3. Chandra, A., Genovesi, A.D., Wherley, B.G., Metz, S.P., Reinert, J.A., Wu, Y.Z., Skulkaew, P., Engelke, M.C., Hargey, D., Nelson, L.R., Schwartz, B.M., Raymer, P.L., Wu, Y.Q., Martin, D.L., Milla-Lewis, S.R., Miller, G.L., Kenworthy, K.E., and Muñoz, P. 2015. Registration of DALSA 0605 St. Augustinegrass. J. Plant Reg. 9(1):27-34.
  4. Gannon, T. W., A. C. Hixson, K. K. Keller, J. B. Weber, S. Z. Knezevic, and F. H. Yelverton. 2014. Soil properties influence saflufenacil phytotoxicity. Weed Sci. 62:657-663.
  5. Gannon, T. W., A. C. Hixson, K. K. Keller, J. B. Weber, S. Z. Knezevic, and F. H. Yelverton. 2014. Soil properties influence saflufenacil phytotoxicity. Weed Sci. 62:657-663.
  6. Gannon, T. W. and M. D. Jeffries. 2014. 2,4-D and azoxystrobin bioremoval capacity of aquatic plants. Europ. J. of Hort. Sci. 2614.
  7. Gannon, T. W. and M. D. Jeffries. 2014. Dislodgeable 2,4-D from Athletic Field Turfgrass. Europ. J. of Hort. Sci. 79:116-122.
  8. Hall, K., J. Spooner, R.J. Richardson, S.T. Hoyle, and D.J. Frederick. 2014. Postemergence control of Microstegium vimineum on riparian restoration sites with aquatic-use registered herbicides. J. of Ameridan Water Resources Assoc. 50:533-542.
  9. Harris-Shultz, K.R., Milla-Lewis, S.R., Patton, A.J., Kenworthy, K.E., Chandra, A., Waltz, F.C., Hodnett, G., and Stelly, D.M. 2014. Detection of genetic and ploidy variation within vegetatively propagated zoysiagrass cultivars. J. Am. Soc. Hort. Sci. 139 (5):547-552.
  10. Jeffries, M. D., D. J. Mahoney, and T. W. Gannon. 2014. Effect of simulated indaziflam drift on various plant species. Weed Technol. 28:608-616.
  11. Lewis*, D.K., M.D. Jeffries, T.W. Gannon, R.J. Richardson, and F.H. Yelverton. 2014. Persistence and bioavailability of aminocyclopyrachlor and clopyralid in turfgrass clippings: recycling clippings for additional weed control. Weed Sci.62:493-501.
  12. Lewis, D. F, M. D. Jeffries, T. W. Gannon, R. J. Richardson, and F. H. Yelverton. 2014. Persistence and Bioavailability of Aminocyclopyrachlor and Clopyralid in Turfgrass Clippings: Recycling Clippings for Additional Weed Control. Weed Sci. 62:493-500.
  13. Lewis, D. F, M. D. Jeffries, T. W. Gannon, R. J. Richardson, and F. H. Yelverton. 2014. Persistence and Bioavailability of Aminocyclopyrachlor and Clopyralid in Turfgrass Clippings: Recycling Clippings for Additional Weed Control. Weed Sci. 62:493-500.
  14. Mahoney, D. J., M. D. Jeffries, and T. W. Gannon. 2014. Liquid carbon dioxide for selective weed control in turfgrass systems. Weed Technol. 28:560-568.
  15. Miller, G.L., M.D. Dukes, and N.D. Pressler. 2014. Golf course irrigation systems’ distribution uniformity affects soil moisture variability. Europ. J. Hort. 79(3):135-141.
  1. Milla-Lewis, S., Yelverton, F., Brandenburg,R., Consuelo, Miller, G., Reynolds, W. Dunne. 2014. Evaluation of South African Bermudagrass Germplasm for Shade Tolerance. Crop Science.
    1. Mulkey, S.E., Zuleta, M.C., Keebler, J.E., Schaff, J.E., and Milla-Lewis, S.R. 2014. Development and characterization of simple sequence repeat (SSR) markers for St. Augustinegrass (Stenotaphrum secundatum (Walt.) Kuntze). Crop Sci.       54:401-412
    2. Matteson, A. R., D. J. Mahoney, T. W. Gannon, and M. L. Polizzotto. 2014. Integrated field lysimetry and porewater sampling for evaluation of chemical mobility in soils and established vegetation. J. of Visualized Experimentation. 89:e51862-e51862.
    3. Matteson, A. R., T. W. Gannon, M. D. Jeffries, S. Haines, D. F. Lewis, and M. L. Polizzotto. 2014.       Arsenic retention in foliage and soil after monosodium methyl arsenate (MSMA) application to turfgrass.       J. of Environ. Qual.       43:379-388.
    4. Nautiyal, M., G.L. Grabow, R.L. Huffman, G.L. Miller, and D. Bowman. 2014. Irrigation water use in the central piedmont of North Carolina. I: Measured use and water requirements. J. Irrig. Drain. Eng. 10/1061/(ASCE)IR.1943-4774.0000819,04014061.
    5. Nautiyal, M., G.L. Grabow, R.L. Huffman, G.L. Miller, and D. Bowman. 2014. Irrigation water use in the central piedmont of North Carolina. II: Evaluation of smart irrigation technologies. J. Irrig. Drain. Eng. 10.1061/(ASCE)IR.1943-4774.0000820,04014062.
    6. Patel, M., Milla-Lewis, S.R., Zhang, W.J., Templeton, K., Reynolds, W.C., Richardson, K., Biswas, M., Zuleta, M.C., Dewey, R.E., Qu, R. and Sathish, P.2014. Drought tolerance in both pasture and turf types of perennial ryegrass by overexpressing its ubiquitin-like modifier LpHUB1 gene. Plant Biotechnol. J. (doi: 10.1111/pbi.12291)
  • Rioux, R.A., J. Shultz, M. Garcia, D.K. Willis, M. Casler, S. Bonos, D. Smith, and J. Kerns. 2014. Sclerotinia homoeocarpa overwinters in turfgrass and is present in commercial seed. PLoS ONE. DOI: 10.1371/journal.pone.0110897.

 

    1. Rioux, RA, Van Ryzin, BJ, Kerns, JP. 2014. Development of a semi-selective medium for isolation of Sclerotinia homoeocarpa from plant tissues. Canadian Journal of Plant Pathology. Pgs 235-245.
    2. Yelverton, F. H., M. D. Jeffries, and T. W. Gannon. 2014. Effect of turf species on pesticide clipping concentrations and subsequent release in aquatic systems. Europ. J. of Hort. Sci. 2514.
  • Yelverton, F. H., M. D. Jeffries, and T. W. Gannon. 2014. Effect of turf species on pesticide clipping concentrations and subsequent release in aquatic systems. Europ. J. of Hort. Sci.

 

  1. Youngs, K. M., S. R. Milla-Lewis, R. L. Brandenburg, Y. J. Cardoza. 2014. St. Augustinegrass Resistant to Blissus insularis (Hemiptera: Blissisdae) J. Econ. Entomol. 107:1688-1694.
  1. Youngs, K.M., Milla-Lewis, S.R., Brandenburg, R.L., and Cardoza, Y.J. 2014. St. Augustinegrass germplasm resistant to southern chinch bug, Blissus insularis Barber (Hemiptera: Blissidae). Econ. Entomol. 107(4): 1688-1694.
  2. Zeng, Y., W. Ye, and J. Kerns. 2014. First report and morphological and molecular characterization of Meloidogyne incognita from Radermachera sinica in China. Nematropica 44: 118-129.
  3. Zeng, Y., W. Ye, K. Zhao, Y. Huang, Z. Zhang, and J. Kerns. 2014. Morphological and molecular characterization of two isolates of Paratrichodorus porosus from Shenzhen, China. Helminthologia. 51: 323-330.

 

Trade and Extension Publications:

  1. Brandenburg, R., L. Butler, T. Gannon, M. Martin, G. Miller, C. Peacock, R. Richardson, L. Warren, F. Yelverton. 2014. Pest control for professional turfgrass managers. NC Coop. Ext. Service Publ. AG-408. 58 pp.
  2. Gannon, T. W. and M. D. Jeffries. 2014. What is the fate of pesticides applied to turfgrass? North Carolina Turfgrass.
  3. Hertl, P. T., and R. L. Brandenburg. 2014. Maybe it’s time to get steamed about ground pearls. North Carolina Turfgrass. November/December pp. 20 – 23.
  4. Hertl, P. T. 2014. Insect control for home lawns. North Carolina Agricultural Chemical Manual. Chapter V. 3 pp.
  5. Hertl, P. T., and R. L. Brandenburg. 2014.       Look before you treat…everything that moves is not a pest. North Carolina Turfgrass. January/February pp. 16 – 22.
  6. Kerns, J.P. 2014. Depletion factors. Golfdom. May, 70(5): p. 42-44.
  7. Kerns, J. P., M.D. Soika, and J.L. Ploetz. 2014. Evaluation of Enclave fungicide for control of anthracnose and dollar spot on a creeping bentgrass putting green, 2013. PDMR: 8: T007.
  8. Kerns, J. P., M.D. Soika, and J.L. Ploetz. 2014. Evaluation of Enclave fungicide for control of dollar spot and brown patch on a creeping bentgrass putting green, 2013. PDMR: 8: T008.
  9. Kerns, J. P., M.D. Soika, and J.L. Ploetz. 2014. Effects of spring applications on various Briskway tank mixtures on quality of a ‘Champion’ bermudagrass putting green, 2013. PDMR: 8: T009.
  10. Kerns, J. P., M.D. Soika, and J.L. Ploetz. 2014. Tolerance of ‘Champion’ and ‘MiniVerde’ bermudagrass putting greens to various DMI fungicides. PDMR: 8: T010.
  11. Miller, G.L. 2014. Part-time field? SportsTurf. 30(11):50.
  12. Miller, G.L. 2014. Even new fields can need core aeration. SportsTurf. 30(9):50.
  13. Miller, G.L. and D. Pinnix. 2014. Green sports fields using turf colorants. SportsTurf 30(8):20-22.
  14. Miller, G.L. 2014. Too late, winter hit. SportsTurf. 30(7):54.
  15. Miller, G.L. and D. Pinnix. 2014. Turf colorants for aesthetics or as an alternative to overseeding. USGA Turfgrass and Environmental Research Online July/August. 13(4):17-19.
  16. Miller, G.L. 2014. The importance of research. SportsTurf. 30(5):50.
  17. Miller, G.L. 2014. Getting rid of your ryegrass overseed. SportsTurf. 30(3):50.
  18. Miller, G.L. 2014. Preventing cold temperature damage. SportsTurf. 30(1):50.
  19. Miller, G.L. 2014. It is time for fall seeding of cool-season grasses. Turffiles, Turfgrass Information for North Carolina. September 15, 2014. p. 1
  20. Miller, G.L. 2014. Winter damage of warm-season grasses. Turffiles, Turfgrass Information for North Carolina. June 4, 2014. p. 1.
  21. Miller, G.L. 2014. 2014 Spring green-up of warm-season grasses. Turffiles, Turfgrass Information for North Carolina. April 22, 2014. p. 1.
  22. Peacock, Charles H. and Jenifer L. Jordan. 2014. NCSU Sports Turf App. http://content.ces.ncsu.edu/ncsu-sports-turf-app AG-794W.
  23. Peacock, Charles, Dan Bowman, Mark Brooks, Ryan Boyles, Jenifer Jordan-Reynolds. 2014.

Turfgrass Irrigation Management System (TIMS). (http://www.TurfFiles.ncsu.edu/TIMS) AG-690W.

  1. Peacock, Charles H. and Jenifer Jordan. 2014. NCSU Lawn Care app. (http://www.lawncare.ncsu.edu). AG-763W.
  2. Richardson, R. J., F. H. Yelverton, L. S. Warren Jr., and T. W. Gannon. 2014. Chemical Control of Woody Plants in 2014 North Carolina Agricultural Chemicals Manual (print and electronic copy). http://ipm.ncsu.edu/agchem/agchem.html Raleigh, North Carolina.
  3. Richardson, R. J., F. H. Yelverton, L. S. Warren Jr., and T. W. Gannon.       2014. Total Vegetation Control in 2014 North Carolina Agricultural Chemicals Manual (print and electronic copy). http://ipm.ncsu.edu/agchem/agchem.html Raleigh, North Carolina.
  4. Seth Carley, D. and Stallings, K. 2014. Natives in, Turfgrass Out – Recovering from back-to-back US Opens.       November/December North Carolina Turfgrass Magazine.
  5. Seth Carley, D. and Stallings, K. 2014. Turfgrass out, Natives in! September/October North Carolina Turfgrass Magazine.
  6. Yelverton, F. H., L. S. Warren Jr., and T. W. Gannon. 2014. Chemical Weed Control in Lawns and Turf in 2014 North Carolina Agricultural Chemicals Manual (print and electronic copy). http://ipm.ncsu.edu/agchem/agchem.html Raleigh, North Carolina.
  7. Yelverton, F. H., L. S. Warren Jr., and T. W. Gannon. 2014. Turfgrass Pest Management Manual. North Carolina Cooperative Extension Service, Raleigh, NC.
  8. Yelverton, F. H., L. S. Warren Jr., T. W. Gannon, and David W. Monks.       2014. Chemical Control of Specific Weeds in 2014 North Carolina Agricultural Chemicals Manual (print and electronic copy). http://ipm.ncsu.edu/agchem/agchem.html Raleigh, North Carolina.
  9. Yelverton, F. H., R. Cooper, L. S. Warren Jr., and T. W. Gannon. 2014. Growth Regulators for Turfgrasses in 2014 North Carolina Agricultural Chemicals Manual (print and electronic copy). http://ipm.ncsu.edu/agchem/agchem.html Raleigh, North Carolina.

  10. Chandra, A., A.D. Genovesi, B.G. Wherley, S.P. Metz, J.A. Reinert, Y-Z. Wu, P. Skulkaew, M.C. Engelke, D. Hargey, L.R. Nelson, B.M. Schwartz, P.L. Raymer, Y.Q. Wu, D.L. Martin, S.R. Milla-Lewis, G. Miller, K.E. Kenworthy, and P. Munoz. 2014. Registration of ‘DALSA 0605’ St. Augustinegrass. J. of Plant Registrations 9(1):27-34.

     

    Cherry, R., H. Lu, and P. Roberts. 2015. Southern chinch bugs (Hemiptera: Blissidae) increase plant disease in St. Augustinegrass. J. Entomol. Sci. 50:28-34.

     

    Cherry, R., H. Lu, and S. Arthurs. 2014.  Effect of temperature on resistance of St. Augustinegrass to southern chinch bugs {Hemiptera: Blissidae}. J. Entomol. Sci. 49: 369-372.

     

    Crow, W. T. 2014.  Effects of a commercial formulation of Bacillus firmus I-1582 on golf course bermudagrass infested with Belonolaimus longicaudatus.  Journal of Nematology 46:331-335.

     

    Crow, W. T.  2014. Turfgrass nematicide and bionematicides research in Florida.  Outlooks on Pest Management 25:222-225.

     

    Crow, W. T. and J. E. Luc.  2014.  Field efficacy of furfural as a nematicide on turf.  Journal of Nematology 46:8-11.

     

    Harmon, P.F., Alcalá-Briseno, R.I., and Polston, J. 2014. Severe symptoms of mosaic and necrosis in ‘Floratam’ St. Augustinegrass associated with Sugarcane mosaic virus in neighborhoods of St. Petersburg, FL. http://dx.doi.org/10.1094/PDIS-11-14-1140-PDN

     

    Harris-Shultz, K.R., S. Milla-Lewis, A.J. Patton, K. Kenworthy, A. Chandra, F.C. Waltz, G.L. Hodnett, and D.M. Stelly. 2014. Detection of DNA and ploidy variation within vegetatively propagated zoysiagrass cultivars. J. Amer. Soc. Hort. Sci. 139:547-552.

     

    Huang, T.g, O. Kostromytska, K.E. Kenworthy, E.A. Buss. 2014.  Zoysiagrass genotype responses to Sphenophorus venatus vestitus (Coleoptera: Curculionidae) J. Econ. Entomol. 107(4):1535-1542.

     

    Leon, R.G., J.B. Unruh, B.J. Brecke, and K.E. Kenworthy. 2014. Characterization of Fluazifop-P-butyl tolerance in zoysiagrass cultivars. Weed Technology 28(2):385-394.

     

    Leon, R.G., L.B. McCarty, A.G. Estes. 2014. Amicarbazone application timing influences overseeded perennial ryegrass (Lolium perenne) safety and annual bluegrass (Poa annua) control. Applied Turfgrass Science. DOI 10.2134/ATS-2014-0042-RS

     

    Lu, Huangjun, Russell Nagata, Kevin Kenworthy, Ron Cherry, Kenneth Quesenberry, and Phil Busey. 2015. Registration of ‘NUF-76’ St. Augustinegrass. Journal of Plant Registrations (in press).

     

    Ma, L.g, K.E. Kenworthy, H. Lu, R. Cherry. 2014. Genetic variability of reproductive traits in common carpetgrass. HortScience 49(7):856-858.

     

    McGroary, P. C., R. M. Giblin-Davis, J.L. Cisar, E. J. Nangle, and O. F. Ruiz, Jr. 2014. First report of plant-parasitic nematodes on seashore paspalum (Paspalum vaginatum) in Barbados. Plant Disease. 98:1018.

     

    Menchyk, N., D. Park, P. H. Moon***, J. B. Unruh, and L. E. Trenholm.  2014. Freezing as a preservation method for ammonia and nitrate plus nitrite in low volume aqueous solutions.  Crop Sci. 54:1-3. doi: 10.2135/cropsci2013.12.0807.

     

    Quesenberry, K., P. Munoz, A. Blount, K. Kenworthy, and W. Crow.  Breeding forages for resistance to nematodes.  Crop and Pasture Science http://dx.doi.org/10.1071/CP13437.

     

    Rowland, J.H., J.L. Cisar, G.H. Snyder, J.B. Sartain, A.L. Wright, and J.E. Erickson. 2014. Drought resistance of warm-season putting green cultivars on U.S. Golf Association root zones with varied potassium. Agronomy Journal 106:1549-1558. DOI: 10.2134/agronj14.0019.

     

    Rowland, J.H., J.L. Cisar, G.H. Snyder, J.B. Sartain, A.L. Wright, and J.E. Erickson. 2014. Drought resistance of warm-season putting green cultivars on U.S. Golf Association root zones with varied potassium. Agronomy Journal 106:1549-1558. DOI: 10.2134/agronj14.0019

     

    Soni, N, R.G. Leon, J.E. Erickson, J.A. Ferrell, and M.L. Silveira. 2015. Biochar decreases atrazine and pendimethalin preemergence herbicidal activity. Weed Technology. In press

     

    Telenko**, D. E. P., T. W. Shaddox**, J. B. Unruh, and L. E. Trenholm. 2015. Nitrate leaching, turf quality, and growth rate of ‘Floratam’ St. Augustinegrass and common centipedegrass. Crop Sci. 55(3):1320-1328. doi: 10.2135/cropsci2014.09.0639

     

    Zhang, J., J. B. Unruh, and K. Kenworthy. 2015. Turf performance of bahiagrass, centipedegrass, and St. Augustinegrass cultivars under a linear gradient irrigation system. Hort. Sci. 50(3):1-5.

Author(s): Wang, F., R. Singh, A. D. Genovesi, C. M Wai, X. Huang, A. Chandra and Q. Yu. 2015. 

Title: Sequence-tagged high-density genetic maps of Zoysia japonica provide insights into Chloridoideae genome evolution. 

Source: The Plant Journal. 

Page Numbers: doi: 10.1111/tpj.12842.

 

Author(s): Meeks, M., A. Chandra, S. Metz, A.D. Genovesi, J. C. Read, R. White, G. Miller, E. Guertal, W. Philley and J. Sorochan.

Title: Registration of ‘DALBG 1201’ hybrid bluegrass. 

Source: J. Plant Reg.

Page Numbers: 9:138-143. 

 

Author(s): Chandra, A., A. D. Genovesi, B. G. Wherley, S. P. Metz, J. A. Reinert, Y-Z. Wu, P. Skulkaew, M.C. Engelke, D. Hargey, L. R. Nelson, B. M. Schwartz, P. L. Raymer, Y. Q. Wu, D. L. Martin, S. R. Milla-Lewis, G. Miller, K. E. Kenworthy and P. Munoz. 2015. 

Title: Registration of ‘DALSA 0605’ St. Augustinegrass. 

Source: J. Plant Reg.

Page Numbers: 9:27-34

 

Author(s): Elmore, M.T., J.T. Brosnan, G.R. Armel,  J.J. Vargas and G.K. Breeden

Title: Influence of Herbicide Safeners on Creeping Bentgrass (Agrostis stolonifera) Tolerance to Herbicides

Source: W eed Technology     

Page Numbers: In press

 

 

Author(s): Chandra, A., J. D. Fry, M. C. Engelke, A. D. Genovesi, B. G. Wherley, J. A. Reinert, S. P. Metz, Q. Zhang and D. Okeyo. 2015.

Title: Registration of ‘Chisholm’ Zoysiagrass.

Source: J. Plant Reg.

Page Numbers: 9:21-26.

 

Author(s): Chandra, A. and D. R. Huff. 2014.

Title: Pistil smut infection increases ovary production, seed yield components, and pseudosexual reproductive allocation in buffalograss. 

Source: Plants.

Page Numbers: 3(4): 594-612.

 

Author(s): Harris-Shultz, K. R., S. Milla-Lewis, A. J. Patton, K. Kenworthy, A. Chandra, F. C. Waltz, G. L. Hodnett, and D. M. Stelly. 2014. 

Title: Detection of DNA and Ploidy Variation within Vegetatively Propagated Zoysiagrass Cultivars.

Source: J. Amer. Soc. Hort. Sci.

Page Numbers: 139: 547-552

 

Author(s): Patel M., Milla-Lewis S., Zhang, W., Templeton, K., Reynolds, W.C., Richardson, K., Biswas, M., Zuleta, M.C., Dewey, R.E., Qu, R. and Sathish, P

Title: Overexpression of uibiquitin-like LpHUB1 gene confers drought tolerance in perennial ryegrass

Source: Plant Biotechnol. J

Page Numbers: doi: 10.1111/pbi.12291

 

Author(s): Reynolds, W.C. M.T. Elmore, and D.S. Reynolds.

Title: Texas Turfgrass Crop Profile and Pest Management Strategic Plan

Source: Southern IPM Center

Page Numbers: In press

 

Author(s): M.T. Elmore and W.C. Reynolds

Title: Nutsedge and Kyllinga Control for Homeowners

Source: Texas A&M Agrilife Extension Bookstore

Page Numbers: Publication ESC-027. Pages 1-4

 

Author(s): Cromwell, W., Yang, J., Starr, J., and Jo, Y.

Title: Nematicidal effects of silver nanoparticles on root-knot nematode in bermudagrass

Source: Journal of Nematology

Page Numbers: 46:261-266

 

 

Author(s): Young, J., T. Udeigwe, D. Weindorf, T. Kandakji, P. Gautam, and M. Mahmoud.

Title: Evaluating management-induced soil salinization in golf courses in semi-arid landscapes.

Source: Solid Earth (6)

Page Numbers: 393-402

 

Author(s): Udeigwe, T., J. Young, T. Kandakji, D. Weindorf, M. Mahmoud, and M. Stietiya.

Title: Elemental quantification, chemistry, and source apportionment in golf course facilities in semi-arid urban landscapes using x-ray fluorescence spectrometer

Source: Solid Earth (6)

Page Numbers: 415-424

 

Authors:  B. Wherley, J. Aitkenhead-Peterson, J. Thomas, C. Fontanier, and R. White 

Title: Runoff losses of nitrogen and phosphorus during St. Augustinegrass sod establishment

Source: Journal of Environmental Quality

Page Numbers: In press

 

Author(s): Meeks, M., A. Chandra, and B. Wherley 

Title: Growth Responses of hybrid bluegrasses treated with and without trinexapac-ethyl under shade

Source: HortScience

Page Numbers: In press

 

Author(s): B. Wherley, M. Dukes, S. Cathey, T. Sinclair, and G. Miller

Title: Consumptive water use and crop coefficients for warm-season turfgrass species in the Southeastern U.S.

Source: Agricultural Water Management

Page Numbers: 156:10-18. DOI:10.1016/j.agwat.2015.03.020

 

Author(s): J. Smith, B. Wherley, C. Reynolds, R. White, S. Senseman, and S. Falk

Title: Weed control spectrum and turfgrass tolerance to bioherbicide Phoma macrostoma. 

Source: Journal of International Pest Management

Page Numbers: DOI:10.1080/09670874.2015.1014450

 

Author(s): T. Sinclair, B. Wherley, M. Dukes, and S. Cathey

Title:  Penman’s Sink-Strength Model as an Improved Approach to Estimating Canopy Transpiration

Source: Journal of Agricultural and Forest Meteorology

Page Numbers: 197: 136-141

 

Author(s): B. Wherley, J. Heitholt, A. Chandra, and P. Skulkaew

Title: Supplemental Irrigation Requirements of Zoysiagrass and Bermudagrass Cultivars

Source: Crop Science

Page Numbers: 54(4):1823-1831

 

 

 

Author(s): B. Wherley, R. White, K. McInnes, J. Aitkenhead-Peterson, C. Fontanier, and J. Thomas

Title: Construction of an urban landscape runoff facility

Source: Journal of Visualized Experiments

Page Numbers: 90: e51540-e51540

 

Author(s): B. Wherley, K. McInnes, W. Dyer, J. Thomas, and C. Reynolds

Title: Evaluating sand capping depth and subsoil influence on fairway performance, irrigation requirements, and drought resistance

Source: USGA Turf and Environmental Research Online 

Page Numbers: 14(2)

 

Author(s): D. Hargey and B. Wherley

Title: Performance of overseeded and colorant-treated bermudagrass athletic turf under traffic and water restrictions

Source: Sports Turf Magazine

Page Numbers: v 30(12) 8-11.

 

Author(s): J.A. Peterson and B. Wherley 

Title: Seasonal losses of nitrogen, phosphorus, and carbon runoff from St. Augustinegrass

Source: Texas Turfgrass Magazine

Page Numbers: 3rd Quarter 2014

 

Author(s): B. Wherley   

Title: Impact of soil P and K levels and additional surface applications on sod establishment

Source: The Pallet

Page Numbers: p.4-8

 

Author(s): C. Reynolds and B. Wherley

Title: Spring transition of warm-season turfgrasses

Source: Texas Turfgrass Magazine

Page Numbers: (vol. 4) 14-16

 

Author(s): Hejl, R. and B. Wherley

Title: Deficit irrigation and traffic influence turf performance and quality

Source: Golfdom Magazine

Page Numbers: http://www.golfdom.com/deficit-irrigation-and-traffic-impacts-bermudagrass-fairway-performance/

 

Author(s): L.B. McCarty (editor)

Title: Pest Control Recommendations for Professional Turfgrass Managers – EC699

Source: Clemson University Public Service

Page Numbers: 150pp.

 

Author(s): Chong, J.-H. 2015.

Title: Species richness and seasonal abundance of billbugs (Sphenophorus spp.; Coleoptera: Curculionidae) on South Carolina golf courses.

Source: Journal of Urban and Agricultural Entomology (in press).

Page Numbers:

 

Author(s): Chong, J.-H. 2014.

Title: New insecticides for the turf market.

Source: South Carolina Sod Producers Association Newsletter. December.

Page Numbers:

 

Author(s): Chong, J.-H. 2014.

Title: Brother, can you spare a fall armyworm?

Source: South Carolina Sod Producers Association Newsletter. October.

Page Numbers:

 

Author(s): Chong, J.-H. 2014.

Title: Time to develop a white grub management program.

Source: South Carolina Sod Producers Association Newsletter. April.

Page Numbers:

 

Author(s): Chong, J.-H. 2014.

Title: Billbugs – not just another white grubs.

Source: South Carolina Sod Producers Association Newsletter. January.

Page Numbers:

 

Author(s): Yuan, N., Cogill, S., Luo, H.*

Title: Development of molecular strategies for gene containment and marker-free genetically modified organisms.

Source: In: Genetically Modified Organisms in Food.  Watson, R., Stevens, B. (eds), Elservier B.V.

Page Numbers: In press

 

Author(s): Shuangrong Yuan, Hong Luo

Title: Negative regulators of messenger RNA and the role of microRNA for plant genetic engineering.

Source: Genetically Modified Organisms in Food.  Watson, R., Stevens, B. (eds), Elservier B.V.

Page Numbers: In press

 

Author(s): San B., Li Z., Hu Q., Reighard G., Luo H.*

Title: Adventitious shoot regeneration from in vitro cultured leaf explants of peach is significantly enhanced by silver thiosulfate.

Source: Plant Cell, Tissue and Organ Culture

Page Numbers: 2015, 120:757-765

 

Author(s): Zhou, M., Luo H.*

Title: Role of microRNA319 in creeping bentgrass salinity and drought stress response. Plant signaling & Behavior.

Source: Plant Cell, Tissue and Organ Culture

Page Numbers: 2014, 9:e28700

 

Author(s): Park, D.M., S.A. White, N. Menchyk

Title: Assessing Irrigation Water Quality for pH, Salts, & Alkalinity

Source: Journal of Extension

Page Numbers: 2014, (52)6: 6TOT8

 

Author(s): Cisar, J., D.M. Park, M. McMillan, and K. E. Williams.

Title: Improving Nitrogen Release Use Efficiency of Turfgrass with Controlled-Release N.

Source: European Journal of Turfgrass Sciene

Page Numbers: 2014. 45:89-90.

 

Author(s): Menchyk, N., D. M. Park, J.B. Unruh, P. Moon and L. Trenholm

Title: Freezing Low Volume Aqueous Solutions to Preserve Ammonia and Nitrate plus Nitrite.

Source: Journal of Crop Science

Page Numbers: 2014: 54(5), 2325-2327.

 

Author(s): Vincent, E.A., S. A. White, and D. M. Park.

Title: Pre and Post Perceptions of Sustainable Landscape Demonstration Garden.

Source: Southern Nursery Association Research Journal

Page Numbers: 2013. 58:60-66.

 

Author(s): Ashleigh Hough, Sarah A. White, Dara M. Park, and Ellen A. Vincent

Title: Developing an Online Environmental Landscape Certification Program for South Carolina: Stakeholder Survey Results

Source: Proceedings of the SNA Research Conference

Page Numbers: 2014. 59:129-132

 

Author(s): D.M. Park and N. Menchyk

Title: The Carolinas Golf Course Superintendents Association Drought Operational Contingency Plan

Source: . Clemson University Cooperative Extension Bulletin

Page Numbers: 2014. CU-14-702.

 

Author(s): D.M. Park and N. Menchyk

Title The Carolinas Golf Course Superintendents Association Water Conservation Plan and Drought Response Procedures.

Source: . Clemson University Cooperative Extension Bulletin

Page Numbers: 2014. CU-14-701.

 

Author(s): D.M. Park, S. White, N. Menchyk, and L. McCarty.

Title: Interpreting Irrigation Water Quality  Reports. Revision

Source:  Clemson University Cooperative Extension Bulletin

Page Numbers: 2014. CU-14-700.

 

Author(s): Menchyk, N., D.M. Park, and H. Liu.

Title: Giving a Dime about Nickel.

Source: Carolinas Green.

Page Numbers: 2014.

 

Author(s): Park, D.M., and S.A. White.

Title: Salt Sources in Irrigation Water.

Source: SportsTurf Management

Page Numbers: 2014.

 

Author(s): Menchyk, N., D.M. Park, and H. Liu.

Title: Nickel and Turfgrass Growth: All You Need to Know.

Source: SportsTurf Management.

Page Numbers: 2014.  May: 20-21

 

Author(s): White, S.A., and D.M. Park.

Title: Salinity Sense Part III: Managing Salinity Issues - Soil and Plants.

Source: SC Nurseryman.

Page Numbers: 2014. March/April: 28-29.

 

Author(s): Park, D.M., and S.A. White.

Title: Navigating the Sea of Salinity Part 3: Managing Salinity Issues in Turfgrasses and Soils.

Source: Carolinas Green.

Page Numbers: 2014.  May/June: 22-23.

 

Author(s): Beck, L.L., A.J. Patton, Q.D. Law, D.V. Weisenberger, J.T. Brosnan, J.J. Vargas, G.K. Breeden, and D.A. Kopsell. 2015

Title: Mesotrione activity on crabgrass (Digitaria spp.) as influenced by nitrogen fertilization rate, source, and timing.

Source: Weed Technol. (In press)

Page Numbers:

 

Author(s): Bennett, H.J.*, E. Brock, J.T. Brosnan, J.C. Sorochan, and S. Zhang. 2015

Title: Effect of two football studs on knee and ankle kinetics of single-leg land-cut and 180º cut movements on infilled synthetic turf.

Source: J. Appl. Biomech. (In press).

Page Numbers:

 

Author(s): Brock, E., S. Zhang, C. Milner, J.T. Brosnan, and J.C. Sorochan. 2015

Title: Effect of two football studs of single leg landing and cutting movements on infilled synthetic turf.

Source: J. Sports. Biomech. (In press) DOI: 10.1080/14763141.2014.965727

Page Numbers:

 

Author(s): Brosnan, J.T., G.K. Breeden, J.J. Vargas, and L. Grier. 2015

Title: A biotype of annual bluegrass (Poa annua L.) in Tennessee is resistant to inhibitors of ALS and photosystem II.

Source: Weed Science. 63.

Page Numbers: 321-328

 

Author(s): Elmore, M.T., J.T. Brosnan, G.R. Armel, J.J. Vargas, and G.K. Breeden. 2015

Title: Herbicide safeners increase creeping bentgrass (Agrostis stolonifera) tolerance to topramezone.

Source: Weed Technology (In press)

Page Numbers:

 

Author(s): Gannon, T.W., M.D. Jeffries, J.T. Brosnan, G.K. Breeden, K.A. Tucker, and G.M. Henry. 2015

Title: Effect of mowing height on preemergence herbicide efficacy for crabgrass (Digitaria spp.) control in common bermudagrass.

Source: HortScience 50

Page Numbers: 546-550

 

Author(s): Jones, P.A., J.T. Brosnan, D.A. Kopsell, G.R. Armel, and G.K. Breeden. 2015

Title: Preemergence herbicides affect hybrid bermudagrass nutrient content.

Source: J. Plant Nutrition. 38

Page Numbers: 177-188

 

Author(s): Koch, P.L., J.C. Stier, and J.P. Kerns. 2015

Title: Snow cover has variable effects on persistence of fungicides and their suppression of microdochium patch on amenity turfgrass.

Source: Plant Pathology DOI 10.1111/ppa.12379

Page Numbers: 12

 

2014

 

Author(s): Brosnan, J.T., G.K. Breeden, K.H. Dickson, A.W. Thoms, and J.C. Sorochan. 2014

Title: Applications of preemergence herbicides in spring do not affect bermudagrass traffic tolerance in fall.

Source: Appl. Turf. Sci. 11 (1) DOI 10.2134/ATS-2013-0047-BR

Page Numbers:

 

Author(s): Brosnan, J.T. G.K. Breeden, A.W. Thoms, and J.C. Sorochan. 2014

Title: Effects of preemergence herbicides on the establishment rate and tensile strength of hybrid bermudagrass sod.

Source: Weed Technol. 28

Page Numbers: 206-212

 

Author(s): Brosnan, J.T., G.K. Breeden, and J.J. Vargas. 2014

Title: Influence of simulated rainfall timing on large crabgrass control with two quinclorac containing herbicides.

Source: Applied Turf Sci. 11 (1) DOI 10.2134/ATS-2013-0004-BR

Page Numbers:

 

Author(s): Brosnan, J.T., K.H. Dickson, J.C. Sorochan, A.W. Thoms, and J.C. Stier. 2014

Title: Large crabgrass, white clover, and hybrid bermudagrass athletic field playing quality in response to simulated traffic.

Source: Crop Sci. 54 (4)

Page Numbers: 1838-1843

 

Author(s): Brosnan, J.T., E.H. Reasor, J.J. Vargas, G.K. Breeden, D.A. Kopsell, M.A. Cutulle, and T.C. Mueller. 2014

Title: A putative prodiamine-resistant annual bluegrass population is controlled by indaziflam.

Source: Weed Sci. 62

Page Numbers: 138-144  

 

Author(s): Cutulle, M.A., G.R. Armel, J.T. Brosnan, M.D. Best, B. Bruce, H.E. Bostic, and D. Layton. 2014

Title: Synthesis and evaluation of heterocyclic analogs of bromoxynil.

Source: J. Agric. & Food Chem. 62

Page Numbers: 329-336

 

Author(s): Jones, P.A., J.T. Brosnan, D.A. Kopsell, G.R. Armel, and G.K. Breeden. 2014

Title: Preemergence herbicides affect hybrid bermudagrass nutrient content.

Source: J. Plant Nutrition. DOI 10.1080/01904167.2013.837179, October

Page Numbers: 177-188  

 

Author(s): Thoms, A.W., J.T. Brosnan, J.M. Zidek, and J.C. Sorochan. 2014

Title: Models for predicting surface temperatures on synthetic turf playing surfaces.

Source: Procedia Engineering. 72

Page Numbers: 895-900

 

Author(s): Vargas, J.J., J.T. Brosnan, T.C. Mueller, D.A. Kopsell, W.E. Klingeman, and G.R. Armel. 2014

Title: Biokinetics and efficacy of aminocyclopyrachlor-methyl ester as influenced by diflufenzopyr.

Source: Weed Sci. 62(3).

Page Numbers: 538-547

 

Author(s): Watkins, E., D. S. Gardner, J.C. Stier, D.J. Soldat, R.A. St. John, N.E. Christians, A.D. Hathaway, K.L. Diesburg, S.R. Poppe, and R.E. Gaussoin. 2014

Title: Cultivar performance of low-input turfgrass species for the North Central United States.

Source: Appl. Turf. Sci. DOI10.20134/ATS-2013-0101-RS

Page Numbers: 7 pgs.

 

Extension

 

Author(s): Breeden, G.K. and J.T. Brosnan. 2015 (Rev.)

Title: Controlling winter annual broadleaf weeds. W205

Source: University of Tennessee Extension, Knoxville, TN

 

Author(s): Breeden, G.K. and J.T. Brosnan. 2015 (Rev.)

Title: Dallisgrass (Paspalum dilatatum). SP642

Source: University of Tennessee Extension, Knoxville, TN

 

Author(s): Breeden, G.K. and J.T. Brosnan. 2015 (Rev.)

Title: Crabgrass (Digitaria spp.) W146

Source: University of Tennessee Extension, Knoxville, TN

 

Author(s): Breeden, G.K. and J.T. Brosnan. 2015 (Rev.)

Title: Goosegrass (Eleusine indica) W170

Source: University of Tennessee Extension, Knoxville, TN

 

Author(s): Breeden, G.K. and J.T. Brosnan. 2015 (Rev.)

Title: Ground Ivy (Glechoma hederacea) W266

Source: University of Tennessee Extension, Knoxville, TN

 

Author(s): Breeden, G.K. and J.T. Brosnan. 2015

Title: Herbicide resistance guide

Source: University of Tennessee Extension, Knoxville, TN

http://www.tennesseeturfgrassweeds.org/Pages/Herbicide-Selection-Tool.aspx

 

Author(s): Breeden, G.K. and J.T. Brosnan. 2015 (Rev.)

Title: Star-of-Bethlehem (Ornithogalum umbellatum) W216

Source: University of Tennessee Extension, Knoxville, TN

 

Author(s): Breeden, G.K. and J.T. Brosnan. 2015 (Rev.)

Title: Virginia buttonweed (Diodia virginiana). W147

Source: University of Tennessee Extension, Knoxville, TN

 

Author(s): Breeden, G.K. and J.T. Brosnan. 2015 (Rev.)

Title: White clover (Trifolium repens) W267

Source: University of Tennessee Extension, Knoxville, TN

 

Author(s): Breeden, G.K. and J.T. Brosnan. 2015 (Rev.)

Title: Wild garlic (Allium vineale) W212

Source: University of Tennessee Extension, Knoxville, TN

 

Author(s): Brosnan, J.T. and G.K. Breeden 2015 (Rev.)

Title: Annual bluegrass control in non-overseeded bermudagrass turf. W203

Source: University of Tennessee Extension, Knoxville, TN

 

Author(s): Elmore, M.T., J.T. Brosnan and G.K. Breeden. 2015 (Rev.)

Title: Using growing and cooling degree-day accumulations to maximize herbicide efficacy. W294

Source: University of Tennessee Extension, Knoxville, TN

 

Author(s): Hale, F.A. 2015 (Rev.)  

Title: Commercial turfgrass insect control. PB1342

Source: University of Tennessee Extension, Knoxville, TN

 

Author(s): Samples, T.J., J.C. Sorochan, J.T. Brosnan, B.J. Horvath, H.J. Savoy, F.L. Hale and A.S. Windham. 2015

Title: Turf solutions for special events in public gardens.

Source: University of Tennessee Extension, Knoxville, TN (in press)

 

Author(s): Brosnan, J.T. and G.K. Breeden. 2014

Title: Preemergence herbicide selection following winter stress. D5

Source: University of Tennessee Extension. Knoxville, TN

 

Amaradasa, B. S., Lakshman, D. K., McCall, D., & Horvath, B. J. (2014). In Vitro Fungicide Sensitivity of Rhizoctonia and Waitea Isolates Collected from Turfgrasses. J. Environ. Hort, 32(3), 126-132.

 

Chang, Z., Zhuo, L., Yu, F., & Zhang, X. (2014). Effects of Biosolids on Root Growth and Nitrogen Metabolism in Kentucky Bluegrass under Drought Stress.HortScience, 49(9), 1205-1211.

 

Cox, M. C., & Askew, S. D. (2014). Metamifop Rates, Application Timings, and Broadleaf Herbicide Admixtures Affect Smooth Crabgrass Control in Turf. Weed Technology, 28(4), 617-625.

 

Cutulle, M., Derr, J., McCall, D., Nichols, A., & Horvath, B. (2014). Effect of Mowing Height and Fertility on Bermudagrass (Cynodon dactylon) Encroachment and Brown Patch Severity in Tall Fescue. Weed Technology,28(1), 225-232.

 

Li, F., Zhan, D., Xu, L., Han, L., & Zhang, X. (2014). Antioxidant and Hormone Responses to Heat Stress in Two Kentucky Bluegrass Cultivars Contrasting in Heat Tolerance. Journal of the American Society for Horticultural Science,139(5), 587-596.

 

Post A.*, S. Askew, D. McCall. Pre-emergence control of slivery threadmoss grown from spores and bulbils in axenic culture. Weed Tech. Accepted, 2014.

 

Wang, K., Zhang, X., Goatley, M., & Ervin, E. (2014). Heat Shock Proteins in Relation to Heat Stress Tolerance of Creeping Bentgrass at Different N Levels.PloS one, 9(7), e102914.

 

Askew, S.D., McCall, D.S., and Youngman, R. R.  Contributing authors for annual update of “Turf” section (Horticultural and Forestry Crops, VCE 456-017) and “Lawns” section (Home Grounds and Animals, VCE 456-018) in the Virginia Coop. Ext. Pest Management Guide

 

 

 

 

 

 

 

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