Brief Summary of Minutes of Annual Meeting

SERA-IEG 2019 UGA Griffin – Griffin, GA  Meeting outline

Wednesday, June 19

Arrive in Fayetteville, GA {approximately 30 minutes from Atlanta airport}

Dinner on own

Thursday, June 20 – UGA Griffin (Griffin, GA), Room 107, Turfgrass Research and Education Center Transportation from Fayetteville to Griffin will be provided at 7:30 a.m.

8:00 to 10:30 – state reports, tour TR&EC & field plots

• Welcome and Introductions
• State Reports (NC, NM, OK, PR, TN, TX, SC, VA)
• Discussion Topic: Pesticide Issues (Grubbs-Bowling)
• UGA Griffin Facilities Tour

12:00 – depart for Atlanta for turfgrass tour – Atlanta United Soccer practice facility, Centennial Olympic Park, Home Depot Backyard, Mercedes Benz Stadium

7:00- Group Dinner in Fayetteville – Franks at the Old Mill

Friday, June 21 – Hampton Inn Fayetteville, 110 Meeting Place Dr., Fayetteville, GA

7:30 to 11:30 – SERA-IEG business and timely topics

• State Reports (AL, AZ, AR, FL, GA, KY, LA, MS)
• Discussion Topic: Water & Nutrient Mgmt (Unruh)
• Discussion Topic: Turf Breeding (Raymer)
• Discussion Topic: Synthetic turf/ Alternative Landscapes (Samples and Wherley)

    11:30 to 12:00- Business Meeting

• 2020 Site Selection
• Election of Officers

12:00 – adjourn

1. Water conservation and drought tolerance: The Texas A&M- College Station Turfgrass Research Program, led by Dr. Wherley, maintains strong collaborations with Engineering, Water Quality, Breeding, and Soil Physics faculty across the University. Wherley has received a third multi-year (2-yr) Texas Research, Engineering, and Extension Water Seed Grant Project which involves faculty from Texas A&M AgriLife Research and Texas Engineering Experiment Station (TEES). The current phase of the project involves improvements to the patented LIRMS through development of an autonomous irrigation control system which delivers improved soil wetting efficiency, reduced runoff, and corresponds to local municipal water restrictions.  We have worked closely with SAWS (Karen Guz) and City of College Station (Jennifer Nations) in determining best use of the system for meeting needs of water purveyors. Co-PI’s on current project are Dr. Allen Berthold (TWRI), Dr. Kelly Brumbelow (TEES), Dr. Jorge Alvarado (TEES), Dr. Richard White (SCSC), and Dr. Fouad Jaber (Texas AgriLife Dallas Ag. and Biological Engineering).  The team was the first of all Waterseed funded projects to be issued a patent, which was issued May 1, 2018. We have been approached by a number of potential licensing parties within the irrigation industry, and with whom we continue to discuss possibility for licensing of the LIRMS technology as a residential/commercial irrigation system add-on.

Texas Tech’s Program, led by Dr. Young provided 11 educational talks related to water conservation, turf management, or turf pest management to a range of audiences. (2 of the 11 talks were given at the Arkansas Turf Conference in January 2019). 

Funding from Turfgrass Producers International is presently supporting a multi-

state cooperative research effort at the University of Tennessee, Utah State University, the University of Minnesota, Texas A&M University, the University of Connecticut and the University of California to document water use of turfgrasses in the U.S., with an emphasis on water conservation in residential turfs.

The University of Florida has constructed a state of the art linear gradient irrigation system to examine the drought tolerance if different turfgrass cultivars.  Results of these studies will have impacts in upcoming years. 

Several SERA48 participants are conducting an NTEP Warm Season Water use study.  (Mississippi State, Kentucky, Florida, Georgia) this study will establish benchmarks for warm season species water used and may lead to some grasses being certified as using less water. 

2. Nutrient management: The Texas A&M Turfgrass Team has developed strong industry partnership with Aspen Beverage, San Antonio, Texas. Aspen is one of the world’s largest cold brew coffee extractors, and generates substantial quantities of spent coffee grounds (nearly 200 cu yds weekly) as a by-product of bottling for major companies including Starbucks, Dunkin Donut, and Coca-Cola.  Working with its subsidiary GeoJava, we are working with other SCSC and Horticulture faculty (McInnes, Feagley, and Lombardini) to explore methods of utilizing spent coffee grounds as a topdressing/fertilizer, pre-emergence herbicide, and also as a root zone amendment for sand-based systems.  This could have the potential to reduce usage of sphagnum peat moss, a non-renewable resource that is currently in short supply.  We have received funding from both the USGA Greens Section, and from GeoJava to support this project.  It has received world-wide interest.

3. Pest Management:

Mississippi State University collaborated with the Mid South Sod Council on a research project to investigate the effects of different herbicide programs applied at bermudagrass sprigging on fall sod strength.  The results of this study will provide the producer with information on the performance of these programs and allow them to make more informed decisions on weed control options. 

Texas A&M University Weed Science Program, led by Muthu Bagavatianan, received a 4-yr, $5.7 million USDA SCRI CAP grant to study herbicide resistance in annual bluegrass.  This multi-state project involves weed scientists from 15 states (including 9 SERA48 participants) and will produce major impact on weed management in turfgrass systems including:  1) Evaluation of novel and innovative non-chemical management options for integration, including non-chemical products and compounds, fraze mowing, species/variety selection, mowing regime, grass-clipping removal, and irrigation as well as nutrient management, 2) Development and delivery of BMPs for resistance prevention/management that integrate knowledge on the nature and characteristics of existing resistance, weed ecology and biology, and socio-economic factors for improving project outcomes, 3) Development of a decision-support tool to guide informed management decision making, 4) A robust outreach and evaluation plan to effectively deliver project findings to the clientele, 5) A strong educational component to train the next-generation of managers and scientists, and 6) Broad impact on resistance management in turf weeds at a national level. More information can be found online at http://resistpoa.org/.

4. Development of Improved Turfgrass Varieties for the Southern Region.

Mississippi State University has established 5000 square ft of a St. Augustine grass as the first phase of a cultivar nursery that will allow sod producers larger quantities of foundation material.  MSU identified a bottleneck in transferring new cultivars to the marketplace.  This material was sold to an MS sod producer who is not going to ramp up into production.

Texas A&M Research and Extension Faculty continue to provide co-leadership on a second multi-year (4-yr) USDA-NIFA funded Specialty Crops Research Initiative project involving collaboration among faculty from Texas A&M AgriLife Research, Oklahoma State Univ., Univ. of Florida, Univ. of Georgia, and N.C. State University, as well as industry advisors from National Turfgrass Evaluation Program (Kevin Morris), United States Golf Association (Mike Kenna), Turfgrass Producers of Texas (John Cosper), Water Managers including San Antonio Water System (Karen Guz) and Masaun Consulting (Whitney Milberger-Laird), and Texas Builders Association (V.P. Ned Munoz).  Goal of the project is to advance drought and salinity tolerant turfgrass cultivars developed during the first project (2011-2015) into long term drought and irrigation restriction management conditions typical of major communities across the southern and southwestern U.S. This multidisciplinary project involves breeders, physiologists, extension, and economists.  To date, at least two cultivars with improved drought and/or salinity tolerance have been released through the program.

A project at the University of Arkansas demonstrated that many early-spring blooming bulbs can add a splash of color to dormant lawns, and numerous entries persisted in the aggressive turfgrass situations. Further, they observed pollinator activity on several entries, including varieties of grape hyacinth and crocus. The primary goal is for homeowners to utilize the results of this research, but public and private entities such as golf courses, parks, and roadway and cemetery managers might also consider bulbs as a source of winter interest in dormant turfgrass.

5. 5. Developing and Conducting Educational, Extension and Outreach Programs Summarizing Research Results and Promoting Technology Transfer of the Previous 4 areas.

The Mississippi State University turf team has partnered with SERA48 members Auburn University and the University of Florida to put on the Deep South Turf Expo in Biloxi MS.  This successful conference and tradeshow draws over 600 participants to hear about relevant topics in turf management.

Texas A&M Turfgrass Extension, led during 2018 by Dr. Becky Grubbs and Chrissie Segars has been involved in continued redevelopment of the Aggie Turf website (www.aggieturf.tamu.edu).  In addition, a Pest Control Guide for Turfgrass Managers was also developed.  Turf Extension faculty have also been involved in co-leadership of the SCRI Poa Annua Herbicide Resistance Grant, the SCRI Warm-Season Turf Drought Grant, and Healthy Lawns and Healthy Waters Program (https://hlhw.tamu.edu/ ), among others.

In 2019 MSU’s Turfgrass Research Field Day drew over 250 participants to Rodney Foil Plant Science Research Center to learn about the latest advances in turfgrass management and culture.  Particpant’s left with an enhanced understanding of turfgrass research as well as some programs that they may be able to use in their management of turf.  Supplemental education on sod production and athletic field management was also provided. 

Arkansas lawns can be colorful and provide food for pollinators

Issue:  Ninety percent of turfgrasses in Arkansas are warm-season species including zoysiagrass and bermudagrass in the northern part of the state, with centipedegrass and St. Augustine grass in the southern regions.  A drawback of warm-season turfgrass is that it may experience winter dormancy for up to six months out of the year. During dormancy, warm-season turfgrasses exhibit a yellow/brown color. Early-spring blooming bulbs, if they can persist in highly competitive warm-season lawns, might add color to home lawns during winter months. Additionally, early-spring bulbs could provide nutrition for honeybees, which on warm winter/early spring days will leave the hive to forage. Pollen and nectar are food for bees, sustenance that only flowers supply.

Action:  Based on work previously done at the University of Arkansas involving early-spring blooming bulbs incorporated into zoysiagrass, we developed a list of flowering bulbs selected for low flowering height, bloom time, and the ability to complete their life cycle by April/May, when mowing commences. The initial study used five varieties of bulbs; currently, we are testing persistence and flowering ability of thirty early-spring bulbs.

Impact:  We demonstrated that many early-spring blooming bulbs can add a splash of color to dormant lawns, and numerous entries persisted in the aggressive turfgrass situations. Further, we observed pollinator activity on several entries, including varieties of grape hyacinth and crocus. Our primary goal is for homeowners to utilize the results of this research, but public and private entities such as golf courses, parks, and roadway and cemetery managers might also consider bulbs as a source of winter interest in dormant turfgrass.

Report actual or intended potential long-term outcomes and impacts.  Build statements around objectives in the approved multistate project.  As with Accomplishments, focus on items that stakeholder want to know.  List grants, contracts, and other resources leveraged by project activities (both direct and in-kind support).   Include recipients, funding source, amount awarded and duration.  For annual reports, impacts cover current year only; for termination reports, impacts cover entire span of project.

Reducing Winter Injury of Ultradwarf Bermudagrass

Issue: Ultradwarf bermudagrass (Cyndon dactylon x C. transvaalensis) putting greens are best adapted for use in hot, humid climates with mild winters. Due to the record breaking heat of recent summers, many golf courses throughout the central United States, including Arkansas, are converting their existing cool-season putting greens to ultradwarf bermudagrass. Ultradwarfs are characterized by their exceptional ability to tolerate wear (foot traffic) and heat stress, essential for survival during summer months. Ultradwarfs are also characterized by their lack of winter stress tolerance, potentially leading to winter kill due to extreme low temperature exposure. Golf courses place protective covers on their putting greens when temperatures are predicted to drop below 25 °F. In places like northern Arkansas, this may happen many times throughout the winter resulting in many costly covering and uncovering events to allow for golfing on warmer winter days. Covering and uncovering events require significant labor costs and decrease income by reducing the amount of days a golf course is open for play.

Action: Research is being conducted on three of the most widely used ultradwarf cultivars to quantify the effects of lowering the current predicted low temperature threshold for placing covers on ultradwarf bermudagrass greens. Covers are put in place based on forecasted low temperatures of 25, 22, 18, and 15 °F and results are compared to an uncovered control plot. Covers are not removed until high temperatures reach 45 °F, which is designed to mimic a golf course open for play on a warm winter day. Data being collected includes soil temperature and volumetric water content through the winter and spring green-up and winter injury is quantified both visually and using digital image analysis.

Impact: These studies have clearly shown that there are genetic differences in low-temperature survival between bermudagrass cultivars, with ‘Champion’ bermudagrass being more susceptible to winterkill in comparison to ‘Tifeagle’ and ‘MiniVerde’. The results of this study have also shown that superintendents can reduce the predicted low-temperature threshold at which they cover their greens to as low as 15 °F without increasing the risk of winterkill. A cost-analysis indicates that golf courses can potentially save thousands of dollars in labor costs by reducing the low-temperature threshold. This can also allow the course to stay open for play many more days in the winter, which can increase revenue.

The MSU turf team has partnered with Auburn University and the University of Florida to put on the Deep South Turf Expo in Biloxi MS.  This successful conference and tradeshow draws over 600 participants to hear about relevant topics in turf management. 

In the year the MSU Turf team has participated in 8 National Turfgrass Evaluation Program (NTEP) tests.  Some have been completed but most are ongoing.  They include trials for bermudagrass, tall fescue, St, Augustinegrass, sea shore paspalum, fairway overseeding, warm season greens, warm season low input turf and warm season water use.  These tests are highlighted at our field days and make MSU a destination for the observation of these trials.  The data from these trials are processed by NTEP and disseminated. 

MSU has partnered with Sod Solutions™ in a breeding program to use MSU derived germplasm and proprietary germplasm from Sod Solutions to produce new bermudagrass cultivars. 

MSU has established 5000 square ft of a St. Augustine grass as the first phase of a cultivar nursery that will allow sod producers larger quantities of foundation material.  MSU identified a bottleneck in transferring new cultivars to the market place.  This material was sold to an MS sod producer who is not going to ramp up into production.

MSU collaborated with the Mid South Sod Council on a research project to investigate the effects of different herbicide programs applied at bermudagrass sprigging on fall sod strength.  The results of this study will provide the producer with information on the performance of these programs and allow them to make more informed decisions on weed control options. 

MSU has been collaborating with Redexim Turf Products to investigate the use of frazemowing in warmseason turfgrass culture.  To date we have established that late season fraze mowing struggles to recover before going dormant. 

1. Drought/Turfgrass Water Use/ Water Conservation.
2. a) Funding from Turfgrass Producers International is presently supporting a multi-

state cooperative research effort at the University of Tennessee, Utah State University, the University of Minnesota, Texas A&M University, the University of Connecticut and the University of California to document water use of turfgrasses in the U.S., with an emphasis on water conservation in residential turfs.

1. b) In addition to making natural and synthetic turfs safer at all levels of play, a goal

of the Research Center for Athletic Field Safety (CAFS), a cooperative effort between The University of Tennessee and AstroTurf™ dedicated in 2011, is to facilitate collaboration affecting not only turfgrass research but also areas of study including biomechanics and human kinetics. One such study (Dickson, K.H., J.C. Sorochan, J.T. Brosnan, J.C. Stier, J. Lee, and W.D. Strunk. 2018. Impact of soil water content on hybrid bermudagrass athletic field performance. Crop Sci. 58: 1416-1425. DOI: 10.2135/cropsci2017.10.0645) was conducted to evaluate the impact of soil water content on hybrid bermudagrass athletic field performance. A second study (Dickson, K.H., W. Strunk, and J.C. Sorochan.  2018.  Head impact criteria of natural grass athletic fields is affected by soil type and volumetric water content.  Proceedings of the 12^th Conference of the International Sports Engineering Association, Brisbane, Queensland, Australia, 26-28 March) demonstrated that both soil type and soil moisture influence performance and playability of natural grass athletic fields.

2. Turfgrass Fertility, Disease, Insect and Weed Management.
3. a) Cultural and chemical turfgrass weed management strategies and the resistance of select turfgrass weed species to herbicides continue to be the major emphasis of research, teaching and extension activity. Presently, the UT Turfgrass Weed Science Team is participating in a $5.2 million project funded by USDA-SCRI focused on the epidemic of herbicide resistance in annual bluegrass populations of all turfgrass systems. This multi-state effort involving numerous universities intends to serve the golf course, athletic field, sod production, and lawn care sectors of the industry. Scope of work ranges from surveying resistant populations to evaluating non-chemical management techniques to provide end-users truly integrated solutions for annual bluegrass management. More information can be found online at http://resistpoa.org/.

Funding from the U.S. Golf Association continues to facilitate the development of methods to diagnose herbicide resistance in goosegrass (Eluesine indica). Similarly, funding from the U.S. Golf Course Superintendents Association- Environmental Institute for Golf is supporting a statewide survey to evaluate existing herbicide resistance in annual bluegrass (Poa annua) populations in golf course turfs.

2018. b) Research was conducted to determine the influence of fungicide treatment and application target site on the severity of large patch (Rhizoctonia solani) on Japanese lawngrass (Zoysia japonica) (Benelli, J.J., B.J. Horvath, A.R. Womac, B.H. Ownley, A.S. Windham and J.C. Sorochan. 2018. Large patch (Rhizoctonia solani AG 2-2LP) severity on Japanese lawngrass (Zoysia japonica) influenced by fungicide and application target site. Crop Protection, 106, Apr. Pp. 23-28. https://doi.org/10.1016/j.cropro.2017.12.003).
2019. Turfgrass Species and Varieties for the Southern Region.
2020. a) The University of Tennessee is cooperating in the 2011 National Kentucky

Bluegrass and Kentucky Bluegrass Traffic Tests, the 2012 National Tall Fescue Test, and the

2013 National Bermudagrass and Bermudagrass Traffic Tests.

1. b) Several zoysiagrass cultivars are also being evaluated for potential use as golf

green surfaces.

Refereed Publications

Pornaro, C., S. Macolino, and M.D. Richardson, M. D. 2018. Measuring stolons and rhizomes of turfgrasses using a digital image analysis system. Journal of Visualized Experiments (JoVE), e58042 (https://www.jove.com/video/58042/measuring-stolons-rhizomes-turfgrasses-using-digital-image-analysis?status=a60048k).

Rossini, F., R. Ruggeri, T. Celli, F.M. Rogai, L. Kuzmanović, and M.D. Richardson. 2019. Cool-season grasses for overseeding sport turfs: germination and performance under limiting environmental conditions. HortScience (in press)

Pornaro C., M.D. Richardson, and S. Macolino. 2019. Rhizome and stolon development of bermudagrass cultivars in a transition-zone environment. Acta Agriculturae Scandinavica (in press)

Russell, T.W., D.E. Karcher, and M.D. Richardson. 2019. Daily light integral requirement of a creeping bentgrass putting green as affected by shade, trinexepac-ethyl, and a plant colorant. Crop Science (in press)

Sandor, D., D.E. Karcher, M.D. Richardson, D. Hignight and K. Hignight. 2019. Kentucky bluegrass performance under chronic drought stress. Crop Forage and Turfgrass Management (in press)

Boyle, P.E., M.D. Richardson, M.C. Savin, D.E. Karcher, and D.A. Potter. 2019. Review Article: Ecology and management of earthworm casting on sports turf. Pest Management Science (in press)

DeBoer, E.J., M.D. Richardson, J.H. McCalla, and D.E. Karcher. 2019. Reducing ultradwarf bermudagrass putting green winter injury with covers and wetting agents. Crop, Forage, and Turfgrass Management (in press)

Extension articles

English, L., J. Popp, M. Richardson, J. Robbins, W.P. Miller, and R. Rainey. 2018. Arkansas Specialty Crop Profile: Turfgrass Industry. UAEX FSA50

Barber LT, Boyd JW, Selden G, Norsworthy JK, Burgos N, Bertucci MB. 2019. Recommended chemicals for weed and brush control. Little Rock, AR: University of Arkansas Cooperative Extension Service Printing Services Rep MP44. p. 197

Boyd J, Bertucci MB, Robbins JA. 2018. Metsulfuron Damage on woody ornamentals. Little Rock, AR: University of Arkansas Cooperative Extension Service Printing Services Rep FSA2183. p. 2

Bertucci MB, Boyd J. 2018. Mowing your lawn. Little Rock, AR: University of Arkansas Cooperative Extension Service Printing Services Rep FSA6023. p. 6

Abstracts

Bertucci MB, Karcher DE, Richardson MD, O’Brien DP. Evaluation of newly established buffalograss for tolerance to glyphosate. Proceedings of the 2019 Weed Science Society of America Annual Meeting. 317

Bertucci MB, Karcher DE, Richardson MD, O’Brien DP. Evaluation of newly established buffalograss for tolerance to glyphosate. Proceedings of the 2019 Southern Weed Science Society Annual Meeting.

Carr, T., D. E. Karcher, M. D. Richardson, and D. P. O'Brien. 2018. Determining the water requirements of two Kentucky bluegrass cultivars under deficit irrigation. Agron. Abr. p. 112332.

DeBoer, E., M. D. Richardson, D. E. Karcher, and J. H. McCalla. 2018. Effect of irrigation with oxygenated water on summer performance and stress tolerance of creeping bentgrass. Agron. Abr. p. 111935.

Kouame J, Burgos NR, Willett CD, Bertucci MB, Grantz EM. Investigating Palmer amaranth resistance to S-metolachlor in Arkansas (Poster). Presented at the Weed Science Society of America Annual Meeting. February 12, 2019. New Orleans, Louisiana.

McCalla, J. H., G. K. Breeden, M. D. Richardson, and J. T. Brosnan. 2018. Use of fraise mowing and herbicides to eradicate bermudagrass. Agron. Abr. p. 113594.

O'Brien, D. P., D. E. Karcher, and M. D. Richardson. 2018. Evaluating putting green firmness in terms of moisture, maintenance, and playability. Agron. Abr. p. 113516.

Wisdom, M., M. D. Richardson, D. E. Karcher, and G. V. McDonald. 2018. Planting methods for flowering bulbs in bermudagrass. Agron. Abr. p. 111975.

Trade articles

Bertucci MB. 2018. Winning the war, preventative weed management for healthy turf. Parks & Rec Business.

Bertucci MB. 2019. Cleaning up emerged crabgrass: postemergent control options. Arkansas Turfgrass: the Arkansas Turfgrass Association Magazine. Summer issue p. 9

Bigelow, C., G. Munshaw, M. Richardson, X. Zhang, M. Goatley, and K. Jackson. 2018. Winter bermudagrass overseeding: Does it hurt or help?. Golfdom. 74(4):p. 31.

Bigelow, C., G. Munshaw, M. Richardson, X. Zhang, M. Goatley, and K. Jackson. 2018. Winter overseeding of bermudagrass and effects on bermudagrass health. Golf Course Manage. 86(3):p. 73.

Russell, T. R., D. E. Karcher, and M. D. Richardson. 2018. DLI requirement of a creeping bentgrass green affected by shade intensity and timing. Golf Course Manage. 86(8):p. 71.

Wisdom, M., and M. Richardson. 2018. Spring bulbs add color to dormant warm-season turf. Golfdom. 74(3):p. 35.
Include full citation for all publications.  For annual reports, list publications for current year only; for termination reports, list publications for entire span of project.

Videos

The Effects of Long-term Sand Topdressing on Earthworm Casting Activity. 2018. https://www.youtube.com/watch?v=Vh23R2a4iFU&index=5&t=0s&list=PLzwlawVM4o4E7AMOiQT3byuf1TGFp5X49

Determining the Minimum Daily Light Integral Requirement of a Creeping Bentgrass Putting Green. 2018. https://www.youtube.com/watch?v=PAm49g_oMOc&index=3&t=0s&list=PLzwlawVM4o4E7AMOiQT3byuf1TGFp5X49

How Much Light Do Creeping Bentgrass Putting Greens Need? (Shorter Summary). 2018. https://www.youtube.com/watch?v=mqGZnpDa0DI&index=4&t=0s&list=PLzwlawVM4o4E7AMOiQT3byuf1TGFp5X49

Attracting and feeding pollinators in warm-season lawns. 2018. https://www.youtube.com/watch?v=IzpR1QayHDw&index=2&t=0s&list=PLzwlawVM4o4E7AMOiQT3byuf1TGFp5X49

Stewart, Barry R. (Author & Presenter), Carpenter, Matt (Author), McCurdy, James Dewey (Author), Reasor, Eric Hall (Author), Philley, Herbert W. (Author), Crop Science Society of America Annual Meeting, "Response of Six Bermudagrass Cultivars to Simulated American Football Traffic," Crop Science Society of America, Baltimore, MD. (November 7, 2018).

Carpenter, Matt (Author & Presenter), Stewart, Barry R. (Author), McCurdy, James Dewey (Author), Reasor, Eric Hall (Author), Harkess, Richard L., Philley, Herbert W., Crop Science Society of America Annual Meeting, "Fraze Mowing for Overseeding Establishment and Removal.," Crop Science Society of America, Baltimore, MD. (November 5, 2018).

Begitschke, Erick (Author), McCurdy, James Dewey (Author & Presenter), Tseng, Te Ming (Author), Barickman, Thomas Casey (Author), Baldwin, Christian Michael (Author), Tomaso-Peterson, Maria (Author), Richard, Michael Paul (Author), Stewart, Barry R. (Author), Ward, Jason (Author), European Turfgrass Society, "Preemergence Herbicide Effects upon Hybrid Bermudagrass Sprigged Establishment," European Turfgrass Society, Manchester, England. (June 3, 2018).

1. Benelli, J., B.J. Horvath, A.R. Womac, B.H. Ownley, A.S. Windham and J.C. Sorochan. 2018. Large patch (Rhizoctonia solani AG 2-2LP) severity on Japanese lawngrass (Zoysia japonica) influenced by fungicide and application target site. Crop Protection, 106, Apr. Pp. 23-28. https://doi.org/10.1016/j.cropro.2017.12.003
2. Brosnan, J.T. and G.K. Breeden. 2019. Postemergence weed control in warm-season turfgrass with a mixture or pyrimisulfan + penoxsulam. HortScience (In press).
3. Cutulle, M.C., G.R. Armel, D.A. Kopsell, H.P. Wilson, J.T. Brosnan, J.J. Vargas, T.E. Hines, and R.M. Koepke-Hill. 2018. Several pesticides influence the nutritional content of sweet corn. J. Agric. Food Chem. 66: 3086-3092. DOI: 1021/acs.jafc.7b05885
4. Cutulle, M.A., J. Derr, D. McCall, A. Nichols, and B. J. Horvath.  2018.  Impact of Mowing Height and Nitrogen Fertility on Crabgrass Cover in ‘RTF' Tall Fescue.  Journal of Environmental Horticulture, September 2018, Vol. 36, No. 3, pp. 104-107
5. Dickson, K.H., J. C. Sorochan, G.W. Munshaw, and A.W. Thoms.   Comparison of cultivation methods impact on playability of Agrostis stolonifera putting greens.  American Society for Testing and Materials, Volume 46, Issue 3, May
6. Dickson, K.H., J.C. Sorochan, J.T. Brosnan, J.C. Stier, J. Lee, and W.D. Strunk. 2018. Impact of soil water content on hybrid bermudagrass athletic field performance. Crop Sci. 58: 1416-1425. DOI: 2135/cropsci2017.10.0645
7. Dickson, K.H., W. Strunk, and J.C. Sorochan.   Head impact criteria of natural grass athletic fields is affected by soil type and volumetric water content.  Proceedings of the 12^th Conference of the International Sports Engineering Association, Brisbane, Queensland, Australia, 26-28 March
8. Dickson, K.H., W.D. Strunk, J.C. Sorochan, T. Nikolai, and A. Hathaway.   Reel on Creeping Bentgrass (Agrostis stolonifera L.) Putting Greens.  Crop Forage Turfgrass Manage.
9. Hale, F.A. and K.M. Vale. Originally prepared by Science and Education Administration. USDA. 2019. Lawn insects: How to control them. PB1158. UT Extension. https://extension.tennessee.edu/publications/Documents/PB1158.pdf
10. Hale, F.A. Originally developed by J. Yanes Jr. 2018. (Revision). Commercial turfgrass insect control. UT Extension. https://extension.tennessee.edu/publications/Documents/PB1342.pdf
11. Marble, S.C., M.T. Elmore, and J.T. Brosnan. 2018. Tolerance of native ornamental grasses to over-the-top applications of Pylex herbicide. HortScience. 53:842-849. DOI: 10.21273/HORTSCI12989-18
12. Reasor, E.H., J.T. Brosnan, J.P. Kerns, W.J. Hutchens, D.R. Taylor^*, J.D. McCurdy, D.J. Soldat, and W.C. Kreuser. 2018. Growing degree day models for plant growth regulator applications on ultradwarf hybrid bermudagrass putting greens. Crop Sci. 58:1801-1807. DOI: 10.2135/cropsci2018.01.0077
13. Smith, D.L., J. P. Kerns, N. R. Walker, A. F. Payne, B. J. Horvath, J. C. Inguagiato, J. E. Kaminski, M. Tomaso-Peterson, and P. L. Koch.  2018. Development and validation of a weather-based warning system to advise fungicide applications to control dollar spot on turfgrass. PLoS ONE, 13(3): e0194216
14. Strunk, W. D., K. Dickson, and J. C. Sorochan.   Mowing Pattern and Clip of Reel Have Limited Effects on Green Speed of Ultradwarf Bermudagrass Putting Greens.  Crop, Forage and Turfgrass Management
15. Trigiano, R.N., W.E. Klingeman, E. Bernard, S. Boggess, G. Pietsch, and J.T. Brosnan. 2018. First report of powdery mildew on rescuegrass (Bromus catharticus) by Blumeria graminis in Tennessee. Plant Disease. 102:449. https://doi.org.1094/PDIS-08-17-1175-PDN

Peer-Reviewed Publications

1. Schwartz, B., W. Hanna, L. Baxter, P. Raymer, C. Waltz, A. Kowalewski, A. Chandra, A. D. Genovesi, B. Wherley, G. Miller, S. Milla-Lewis, W. Reynolds, Y. Wu, D. Martin, J. Moss, M. P. Kenna, B. Unruh, K. Kenworthy, J. Zhang, and P. Munoz. 2018. 'DT-1', a Drought-Tolerant Triploid Turf Bermudagrass. HortScience. 53(11):1711-1714. doi: 10.21273/HORTSCI13083-18.
2. Lamantia, M. J., A. Chandra and D. R. Huff. 2018. Development of ent-kaurene Oxidase-Based Conserved Intron Spanning Primers for Species Identification in the Genus Poa (Poaceae; Bluegrass).  8(5): 58. doi:10.3390/agronomy8050058.
3. Aitkenhead-Peterson, C. Fontanier, J. Thomas, B. Wherley, K. McInnes, and R. White. 2018. Irrigation Water Sodium Influences Losses of Dissolved Organic Carbon During Sod Establishment. Journal of Horticulture 5(2):1-7.
4. Grubbs, Rebecca A., Chase M. Straw, William J. Bowling, David E. Radcliffe, Zach Taylor, and Gerald M. Henry. "Predicting spatial structure of soil physical and chemical properties of golf course fairways using an apparent electrical conductivity sensor." Precision Agriculture20, no. 3 (2019): 496-519.

 Trade Publications

1. Reynolds and B. Wherley. 2018. How much light is enough?  Importance of meeting the DLI requirement in shade.  Texas Turfgrass Association Magazine.  Winter 2018.
2. Reynolds and B. Wherley. 2018.  Shade and Implications for Turfgrass Health.  Alabama Turfgrass Association Magazine.  Fall Edition.
3. Grubbs, L. Hoffman, J. Young, and B. Wherley. 2018. Texas Lawn Companion- Fall Edition. Texas A&M AgriLife Extension. September.
4. Wherley. 2018.  Update on Texas A&M Turfgrass Research of Interest to Turf Managers.  Sports Turf Magazine.  In Press.
5. Chavarria, C. Reynolds, and B. Wherley. 2018. Impact of Turf Colorants on Spectral Transmission Characteristics. GCM Magazine.  In press.
6. Grubbs, C. Segars, B. Chang, C. Wolfe, D. Cunningham, and P. Dickinson. Texas Lawn Companion- Spring 2019 Edition. Texas A&M AgriLife Extension. April.
7. Grubbs.. AggieTurf and TPT: A Vision for Collaboration. 2018. Pallet Magazine (Turfgass Producers of Texas). Fall Edition.
8. Grubbs. Tips for Fall Fertilization. 2018. Texas Turfgrass Association Magazine. Fall Edition.

Peer-Reviewed Extension Publications

1. Grubbs. 2019. Water-Wise Checklist for Texas Home Lawns. SCS-2019-15
2. Grubbs. 2019. Mowing Recommendations for Warm-Season Turfgrass. ESC-052. 5-19.
3. Segars. 2019. The Need to Overseed. ESC-053. 5-19.
4. Grubbs. 2019. Turfgrass Repair and Replacement FAQ. (Submitted for formatting)
5. Grubbs. 2019. Homeowner Guide to Herbicide Selection for Warm-Season Turfgrass Lawns. (Submitted for formatting)
6. Segars. 2019. Bermudagrass Selection for Athletic Fields in the Transition Zone. (Submitted for formatting)

Scientific Abstracts

1. Stier, J.C., J. H. Baird, A. Chandra, M. T. Elmore, J. Henderson, D. E. Karcher, K. L. Kopp, M. Schiavon, and E. Watkins. 2018. Documenting Water Use for Turfgrasses in the United States. International ASA-CSSA-SSSA Conference, Baltimore, MD. Poster presentation 1270.
2. *R. Hejl, B. Wherley, K.McInnes, B. Grubbs, and C. Fontanier. 2018. Temporal and Spatial Variability in Soil Water Relations of Sand-Capped Fairway Systems. ASA-CSSA-SSSA International Meetings.
3. Chavarria, B. Wherley, and C. Reynolds. 2018. Colorant Effects on Spectral Transmission Properties of Ultraviolet and Photosynthetically Active Radiation. ASA-CSSA-SSSA International Meetings.
4. Chavarria, B. Wherley, and K. McInnes. 2018. Role of Sand Topdressing Physical Characteristics on Infiltration and Mowing Removal.  ASA-CSSA-SSSA International Meetings.
5. *B. Chang, B. Wherley, and J. Aitkenhead-Peterson. 2018. Environmental Impacts of Landscape Conversions. ASA-CSSA-SSSA International Meetings.
6. *W. Bowling, B. Wherley, K. McInnes, and T. Provin. 2018. Long-term Management Dynamics of Sand-Capped Fairway Systems. ASA-CSSA-SSSA International Meetings.
7. *G. Flores, B. Wherley, K. McInnes, S. Feagley, and L. Lombardini. 2018. Evaluation of Spent Coffee Grounds for Turfgrass Fertilizer and Root Zone Amendment. ASA-CSSA-SSSA International Meetings. 
8. *B. Grubbs, J.J. Thompson, G.M. Henry. The Mosaic Effect: Exploring the Challenges of Measuring, Modeling, and Changing Home Owner Behavior on the American Lawn. Crop Science Society of America (CSSA). Baltimore, MD. November 2018.