Brief Summary of Minutes of Annual Meeting

The meeting was called to order by Paul Raymer (Chair) at 1:07 pm on August 2, 2011 on the University of Georgia, Griffin, GA campus at the University of Georgia Research and Education Garden building. Paul welcomed attendees and introductions were done around the room. Kevin Kenworthy, Secretary, took the minutes. Dr. Gerald Arkin, the administrative advisor for the S-009 RTAC and Associate Dean of the Griffin Campus, welcomed the group to the Griffin Campus. He was excited to have the group back on campus and stated that he remains committed to the program as it relates to the plant industry, the conservation of germplasm and making germplasm publically available. He stated that progress has been made in the Griffin program and that the quality of the preserved material has improved. In particular, he noted that the collection is in great shape despite the current uncertainties surrounding their budget. He shared some comments from the National Plant Germplasm Coordinating Committee which had raised the question, Should NPGS charge for requested material? It was deemed that this was impractical and that the germplasm system would be worse off if charges were imposed. He further commented that both the UGA Deans and the southern directors appreciate the program. Paul Raymer asked for a motion to approve the 2010 minutes which was made and seconded. The motion was approved. He also asked for any additions to the agenda. There was a request to have comments from the Units molecular geneticist and pathologist to relate their activities with use of the germplasm. An update and presentation on the webpage was also requested. These items were added to the end of the agenda. Fred Allen and Tom Zimmerman were appointed to nominate a secretary and location for next year. Gary Pederson provided a report on the National Program staff and noted some changes in personnel. He discussed website development and that a new version of GRIN is in the works. Gary gave a presentation that provided a summary of PGRCU for the year and the current status of collections, the size of collections, the number of available accessions and the number of backed up accessions. He noted that all numbers continue to increase and that germination testing has increased in the last year for sorghum, cowpea, peanuts, grasses and that 77% of the overall collection has been tested for germination. An update of storage capabilities was provided and he noted that current -18 C storage is full. The distribution of accessions went to 49 states (none to Alaska) and 47 other countries (and U.S. territories). A comment was made that U.S. territories should be included with the states. Gary states that these figures are provided by GRIN and that including territories with the states would require a change in GRIN. Gary concluded the PGRCU report with an update on funding, staff numbers (soon to advertise a peanut S-009 technician position), curator changes and building construction. A written regeneration plan was provided for all in attendance and each curator made a presentation on status of their collection, regeneration and characterization in 2011, and regeneration of the entire collection. Reports were given by Gary Pederson on the clover and sorghum collections, Brad Morris on the miscellaneous legumes collection, Bob Jarret on the vegetable crops collection, Roy Pittman on the Vigna collection, Melanie Harrison-Dunn on the warm season grass collection, and Noelle Barkley on the peanut collection. Ming Li Wang provided a verbal report on his activities investigating chemical characterization of germplasm with different curators. David Pinnow provided a verbal report on virology activities and noted the recent completion of a 20 year project to screen for viruses in the sweet potato collection. At 5:00pm the meeting was adjourned until 8:00am August 3rd. The meeting re-convened at 8:00am, August 3rd, at the University of Georgia Research and Education Garden building, Griffin, GA and departed for a tour of PGRCU facilities. We were able to see field facilities, a new equipment storage pole barn, many of the collections, tour the cold storage facilities and see the construction progress on a new 4 C storage unit that will enable a previous 4 C storage facility to be changed to -18 C storage. At 10:00am the committee returned to the University of Georgia Research and Education Garden building, Griffin, GA. State reports were presented by Tom Zimmerman (University of Virgin Islands), Emerson Shipe (South Carolina), Kevin Kenworthy (Florida), Fred Allen (Tennessee), Tom Stalker (North Carolina), Mari Marutani (Guam), Don LaBonte (Louisiana), and Paul Raymer (Georgia). Written reports were distributed for Alabama, Hawaii, Kentucky, Oklahoma, Texas, and Virginia. The 2012 S-009 meeting will be held in Griffin, GA. The dates of August 1-2 or 8-9, 2012 were discussed and the dates were tentatively set for July 31  August 1, 2012 starting at 1:00 pm on July 31st. The incoming S-009 Chair will be Kevin Kenworthy. Mari Muratani was nominated to be the incoming S-009 secretary. There were no other nominations and Mari was elected. Tom Stalker thanked the staff for presentations and for showing the plans for regeneration. He recommended that the group report back to their respective Deans and Directors to enforce the importance of the National Plant Germplasm System. Paul Raymer thanked everyone for their participation. Tom Stalker motioned to adjourn the meeting and Fred Allen seconded the motion. The meeting was adjourned at 11:25am.

The complete accomplishments section for the 2011 S-009 annual report is located at the S-009 website (www.ars.usda.gov/Main/docs.htm?docid=9514). A summary of the accomplishments from the Griffin location and S-009 cooperators is listed below. USDA, ARS, Plant Genetic Resources Conservation Unit: A total of 90,942 accessions of 1,534 plant species were maintained in the Griffin plant genetic resources collection. Over 87.7% of accessions were available for distribution to users and over 97.1% were backed up for security at a second location. Bulk seed samples for 66,995 accessions were maintained at -18 C for long-term storage with seed of the remaining accessions stored at 4 C. A total of 28,308 seed and clonal accessions in 925 separate orders were distributed upon request to scientists and educators in 49 U.S. states and 47 foreign countries. Acquisitions made to the collection included 143 sorghum, 144 warm-season grasses, 19 vegetable, and 2 other accessions. Seed regenerations and characterization were conducted on 299 peanut, 131 cowpea, 46 warm-season grass, 60 pepper, 361 legume, new, and misc. crop, 91 annual clover, and 30 other vegetable accessions. A plant collection trip was conducted in Alabama, Florida, Georgia, and South Carolina for naturalized Sorghum halepense germplasm that is in demand for sorghum gene flow studies. Seed regenerations and characterization were conducted on 299 peanut, 131 cowpea, 46 warm-season grass, 60 pepper, 361 legume, new, and misc. crop, 91 annual clover, and 30 other vegetable accessions. Over 300 pepper accessions were grown in the field for regeneration, characterization and recording of digital images. Digital images of cowpea, sorghum, cucurbit, and watermelon accessions, and pepper capsaicin content, peanut core selection, sorghum, and sweet sorghum data were added to the Germplasm Resources Information Network (GRIN). Long-term maintenance of 241 wild peanut and 458 warm-season grass accessions was continued in the greenhouse. Over 30 warm-season grass accessions and 712 sweetpotato accessions were maintained in tissue culture with eight replications of each sweetpotato clone. Germination testing has been completed for 69,556 accessions (over 77% of collection) since 2002. In cooperation with vegetable industry plant pathologists, differential sets of four vegetable crops are being established and distributed to researchers for identification of disease races. Fatty acid content was determined for the entire U.S. castor bean (over 1,000 accessions) and sesame (over 1,200 accessions) collections and 98 okra accessions. Over 660 castor accessions were genotyped with 15 SSR markers for further genetic classification. A population of over 1,900 mutant watermelon seeds was developed for a mutant TILLING study with ARS cooperators in Charleston, SC. Ploidy level was determined for the entire St. Augustine and seashore paspalum grass collections. Photoperiod-sensitive Neonotonia, Teramnus, and annual clover accessions were successfully regenerated in the greenhouse. A total of 92 peanut accessions were successfully evaluated under quarantine and disease-free seed was produced. In association with Kansas State University scientists, 1,000 biomass sorghum accessions will be evaluated for plant morphology, biochemical composition, and genotype. Alabama: Current work focuses on evaluation, utilization and breeding of sunn hemp and sericea lespedeza species. Sunn hemp germplasm is being used for development of cultivars for the continental US. Two sunn hemp cultivars were released. Sericea lespedeza is being evaluated for control of gastrointestinal parasites in ruminants and for condensed tannin content. A new low-growing sericea lespedeza will be evaluated for road-side use with colleagues at Auburn, GA, LA, AR, and USDA at several locations. Current work focuses on evaluation, utilization and breeding of upland cotton. Cotton accessions continue to be evaluated to resistance heat and drought. We are also conducting a study on the impact of exotic germplasm introgression on cotton yield and fiber quality traits. We are evaluating 300 soybean accessions per year in a USDA-sponsored evaluation of germplasm for resistance to Asian soybean rust. Florida: Florida was very active in 2010 for plant genetic resources distribution and use, with 31 different individuals requesting materials from 18 different genera of plants and a total of 1,230 unique PIs distributed. Affiliation of individuals obtaining materials included University of Florida scientists, USDA scientists, private research organizations, private citizens, and public schools. Most individuals who responded to a request for information indicated a high level of satisfaction with materials provided and appreciation for the availability of the germplasm. Research and educational training was conducted with bahiagrass, Hemarthria, gamagrass, wiregrass, perennial peanut, lettuce, pepper, clover, sunn hemp, peanut, sweet and grain sorghum, and bermudagrass accessions. Georgia: During 2010, 31 separate requests for plant germplasm were made to the S-9 unit by the citizens of Georgia. As a result of these requests, 332 plant accessions were supplied to University scientists, USDA scientists, consultants, seed companies, gardeners, and individuals. The most requested crops were peanut, warm-season grasses, sorghum, and watermelon. The Institute of Plant Breeding, Genetics, and Genomics (IPBGG) has 22 faculty members, 10 MS students, and 13 Ph.D. students. Georgia plant breeding programs supply new crop cultivars and associated technologies to our agricultural sector and rely heavily upon the plant materials maintained within the S-9 unit. UGA currently has active cultivar development programs in soybean, peanut, small grains, turf grass, forages, blueberry, pecan, grape and numerous ornamental crops that frequently utilize the plant genetic resource collections. The entire seashore paspalum collection was screened for salt tolerance in 2010. Accessions of the warm-season grass collection are being evaluated for new mutations that would be useful in developing herbicide resistance in turfgrass. The S-009 Unit remains a critical component of our research and cultivar development programs in Georgia. Guam: Conservation efforts continued for local germlines of sweetpotato (Ipomoea batatas), chili pepper (Capsicum annuum) and field corn (Zea mays). Evaluation of selected cultivars of eggplant (Solanum melongena) and cucumber (Cucumis sativus) was conducted as on-farm trials. Sunn hemp (Crotalaria juncea) including 15 obtained from USDA/ARS/PGRCU Griffin GA, and a local check (a Taiwan variety commonly used in Guam) were tested for their field performance in calcareous Guam cobbly clay soil (pH 7.8) from 7/16/10 to 9/27/10. The majority reached the reproductive stage at 72 days after planting except three accessions, PI 468956, PI 561720, and PI 234771. Early maturation was observed with four accessions of PI 207657, PI 391567, PI 250487, and PI 322377. Tropic Sun developed in Hawaii was a late maturing cultivar that produced the greatest biomass at harvest. Conservation and evaluation of important tropical plant germlines will support development of sustainable agriculture in the region. Searching for new germlines and commercial cultivars with heat tolerance and pest resistance will assist growers to choose locally adapted vegetables and green manure plants to sustain their manageable farming operation in Guam. Hawaii: The USDA/ARS, Hilo Germplasm Unit continued to manage 14 tropical fruit and nut crops at the clonal repository in Hilo Hawaii (approx. 1000 accessions). The collection represents a diverse economically important collection of tropical fruit and nut crops such as pineapple, macadamia, guava, papaya, pili nut, peach palm, breadfruit, lychee and longan, carambola and their relatives. Preliminary tests were initiated on tissue culture storage of rambutan, pulasan and Canarium germplasm. Germplasm introductions were 32 and 34 distributions were made of 240 items. Evaluation activities included: 1) guava germplasm tolerance to the Oriental fruit fly using cage inoculation of fruits at different maturities. 2) Kapoho solo seeds regenerated at our PRSV free field in Paauilo were planted to select for and maintain a uniform source of the Kapoho papaya germplasm. 3) Observations of growth and production of ohelo at three locations continued. Three clonal selections for berry and ornamental potted plants production were released and tissue culture plugs of two ohelo selections were made available. Continued working with the S.W. Forestry University in Yunnan and two representatives from Hainan China to plan for future plant germplasm exchanges. Louisiana: Hibiscus sabdariffa germplasm seeds were screened to select early maturing hibiscus accessions for Louisiana climatic conditions. Out of 17 accessions, one failed to germinate. One accession from South Africa showed promise. Seed of Desmanthus illinoensis received from the NPGS will be combined with other native materials and used for variety development. Malvaceae family species are being screened for odd-chain unsaturated fatty acids in their seed oils. These fatty acids were identified in the initial accessions and additional accessions will be screened. Research on Ipomoea accessions include evolutionary ecology, molecular evolution and population genetics of genes involved in flower color, as well as the phylogenetic systematics of morning glories (species of the tribe Ipomoeae). Rice and red rice lines were used to investigate the genetics of photoperiodic flowering response. North Carolina: Faculty in the Crop Science and Horticultural Science Departments at NC State University conduct research on strawberry, blueberry, brambles, tree crops, ornamentals, maize, soybean, peanut, cotton, tobacco, small grains, turfgrasses, sweetpotato, cucurbits, and other crops. Priorities are on incorporating disease and insect resistance, abiotic stress resistance, and quality factors into improved breeding lines and cultivars. Plant introductions are critical components of plant improvement programs, and NCSU scientists make use of germplasm maintained in the National Plant Germplasm System (NPGS). During the past year, 18 individuals received 115 entries to NC from the Griffin station, including peanut, sorghum, sweetpotato, pepper, watermelon and warm season grasses. The U.S. collection of cultivated and wild Nicotiana species is maintained at NCSU and numerous seed requests are filled annually both to U.S. and international individuals and organizations. A duplicate collection of Arachis species is being developed with 405 of the 607 accession in the Griffin collection maintained at NCSU. During the past year, NC Agricultural Research Service released 1 peanut cultivar, 1 soybean germplasm, two soybean cultivars, 6 maize lines, 1 tomato breeding line, two tomato cultivars, 5 mountain landscape cultivars, two butterfly bush cultivars, 3 redbud cultivars, 1 cucumber cultivar, and two cucumber inbreds. Oklahoma: Plant germplasm distribution data received from S-9 indicate that 1,576 plant accessions maintained at the Plant Genetic Resources Conservation Unit at Griffin, GA were distributed to organizations or individuals in Oklahoma the last year, from August, 2010 through July, 2011. The number of distributed plants last year is the highest in recent years, if not a record. The accessions were distributed in 67 respective requests. Respective annual plant germplasm distribution numbers for 2006, 2007, 2008, and 2009 were 169, 295, 431 and 352. The requested plant species in 2010 included sorghum (Sorghum bicolor) (1,104 accessions), peanuts (136), Panicum (113), Guar (Cyamopsis sp.) (33), peppers (21), watermelon (20), okra (4), squash (Cucurbita spp.) (6), Vigna spp. (8), and Miscanthus and other warm-season grasses (10), and other legumes (13). Users of the plant accessions included researchers of Oklahoma State University, the Noble Foundation, USDA-ARS laboratories, and individual Oklahomans. Puerto Rico: Eighteen quenepa (Melicoccus bijugatus) cultivars are in the sixth year of evaluation at Juana Díaz and Lajas. Horticultural traits and fruit quality parameters (pH, TSS, acid, and TSS/acid ratio) were measured on the mandarin cultivars Encore, Murcott and Fallglo on five rootstocks in Corozal. At Isabela, a citrus germplasm collection was established in the screenhouse and citrus rootstocks are being propagated for new experiments to be established at Corozal and Adjuntas. Five hybrid and five open-pollinated Cubanelle-type pepper cultivars were evaluated from February to May. Twelve Mayaguezano-type mango clones on Banilejo dwarfing rootstock are being evaluated in the field at Lajas. A field planting of 14 guava accessions is being evaluated at Juana Díaz. Marketable yield of Estela hybrid tannier was increased by 27% when planting material from main corm sections was used, compared with crowns. An increase in average bunch weight of 18% and a reduction of 32 days from planting to fruiting in Cuerno de Arce plantain was observed with the addition of chicken manure. One hundred half-sib lines of Suresweet sweet corn are being evaluated in a replicated performance trial. Germplasm requests in Puerto Rico in 2010 include 5 Crotalaria sp. and 4 Mucuna sp. New crop germplasm projects in 2011 include evaluation of accessions of upland rice, breadfruit and achachairu (Garcinia sp.), screening of citrus rootstocks for Phytophthora resistance, and evaluation of traditional varieties produced by the Agricultural Experiment Station. South Carolina: A total of 481 germplasm accessions were distributed by PGRCU, Griffin, GA to the following individuals in South Carolina in 2010: Dr. Amnon Levi, USDA Vegetable Laboratory, Charleston, SC, 49 Citrullus, 14 Praecitrullus (watermelon), 9 gourd, and 1 Cucurbita accessions; Dr. H. Knap, Clemson University, 1 Pueraria (legume) accession; Dr. Ellis Caniglia, USDA Vegetable Laboratory, Charleston, SC, 2 Citrullus accessions; Dr. S. Kresovich, University of South Carolina, 383 Sorghum accessions; Dr. J. Bohac,, 20 Ipomoea (sweetpotato) accessions: K. Hazel, 1 Vigna (cowpea) accession; and Dr. M. Shepherd, Clemson University, 1 Vigna accession. In 2010, twenty elite breeding lines and/or cultivars from the Clemson University soybean breeding program were tested in a greenhouse to determine their suitability as hosts for reniform nematode, Rotylenchulus reniformis, and identify resistant genotypes. Based on nematode resistance traits and performance in non-nematode infested field nurseries, SC07-786 and SC07-1490 will be further evaluated in 2011 Southern Regional Soybean Tests for potential cultivar release. A total of 64 soybean plant introductions have been identified that show varying levels of resistance to soybean rust disease caused by the fungus Phakopsora pachyrhizi. The plant introductions confirmed to be resistant in these evaluations should be useful sources of genes for resistance to North American populations of P. pachyrhizi. Tennessee: A number of projects are being conducted at the University of Tennessee in which plant introductions are being utilized in research. Three PIs are being intercrossed with two experimental lines and two released cultivars for the purpose of developing new synthetic varieties of switchgrass. Early generation lines from the GEM project, expired PVP lines, and other germplasm obtained from Ames PI station maize collection were crossed with elite adapted lines. Progeny from crosses were advanced by traditional breeding methods, to develop new maize parental lines. Recombinant inbred lines and near-isogenic lines of soybean were developed from a cross between a prolific rooting line, PI 416937, and a high leaflet orienting cultivar, USG 5601T. A total of 18 soybean genotypes including 15 high oleic PIs and three checks were planted 16 different environments across five locations during three years and fatty acid composition was determined. The experimental soybean line TN03-349 is an F6-derived line from the cross TN93-99 x PI 416937 and was released as the new edible vegetable soybean cultivar, NUTRIVEG Soy6407. Heterogeneous plant populations developed from exotic Chinese plant introductions by Dr. Randy Nelson, have been grown at the East Tennessee Research and Education Center and locally adapted single-plant selections are under development and field testing. Texas: Daryl Morishige (TAMU) utilized the Sorghum bicolor BTx623*IS3620c Recombinant Inbred Population for QTL analysis to identify the genes controlling flowering time underlying the QTL. MMR Genetics and USDA-ARS have a collaborative project (Re-Initiated Sorghum Conversion) funded by the National Sorghum Checkoff to identify genomic regions associated with yield potential, and convert these materials to shorter heights and early maturity (removal of photoperiod sensitivity). Accessions stored at Griffin, GA from an Ethiopian Collection, Sudan Collection and Mali Collection were requested for this project. Bob Klein (USDA) has a research program to characterize the sorghum germplasm for allelic variation in a key flowering time gene. Gary Peterson (TAMU, Lubbock) is evaluating grain sorghum response to salt stress in selected germplasm. Tom Juenger, UT Austin, requested and received seed for two GRIN accessions of Panicum hallii (PI 229052 and PI 229051) to use genetic mapping and gene expression studies to understand the genetic basis of abiotic stress responses, including drought tolerance, in these grasses. Russell Jessup (TAMU) ordered accessions of Urochloa brizantha for comparison of candidate apomixis genes between Urochloa and Pennisetum spp. Guy Hallman (USDA, Weslaco, TX) requested bell pepper (Capsicum annuum) germplasm to evaluate summer fruit set in extreme south Texas. Mark Burow (TAMU) requested peanut germplasm as botanical type specimens for evaluation of the US peanut minicore collection, for parents to use for crossing to incorporate leafspot resistance, and as parents to use for crossing to incorporate early maturity and cold tolerance. Virgin Islands: Virus-free sweet potato plantlets, obtained from the Griffin location are being grown in culture to supply clean plantlets to local growers. Sweet potatoes can be successfully maintained for a year on low sucrose medium to reduce growth and revitalized on fresh medium with 3% sucrose to regain active growth for micropropagation. Viruses in sweet potatoes are a problem that reduces growth and production over time. Most of the 41 sweet potato leaf samples on the island of St. Croix were positive for at least one virus. Fifty percent of the originally clean UVI material had virus after 120 days. There are multiple viruses that can potentially affect papaya varieties. Three viruses, Papaya Ring Spot Virus (PRSV), Papaya Mosaic Virus (PMV), and Cauliflower Mosaic Virus (CaMV) were tested for. The results indicated that 100% contained PRSV, 30% CaMV and 18% PMV. Work at UVI-AES has been on going to develop papaya varieties that tolerate the virus and still be productive. Sorrel (Hibiscus sabdariffa), is popular during the winter holiday season in the Caribbean for its colorful fleshy calyces. Planting sorrel in September at 16 inches was shown to increase production per length of row. Sorrel is sensitive to high pH calcareous soils found in areas of St Croix. Varieties from Africa were found to have better tolerance to the high pH soil, ranked above 2.5, than the Caribbean varieties which were rated below 2. From these results, a breeding plan will be developed to combine tolerance to calcareous soils with a day neutral photoperiod to enhance year round production. Sorrel was found to have similar nutraceutical bioflavonoid compounds as found in cranberries and blueberries. Plant breeding has begun to increase the bioflavonoid content and develop a day-neutral caliche tolerant variety for year round production. Virginia: Germplasm from S-009 was acquired in Virginia by researchers at both Virginia Tech and Virginia State University. A joint project between Gregory Welbaum and Bingyu Zhou in the Department of Horticulture at Virginia Tech has been focused on screening Citrullus, Lageraria, and Preacitrullus accessions for resistance to the watermelon pathogen that causes fruit blotch, with the eventual objective of releasing blotch resistant cultivars. Bingyu Zhao has also been studying host plant resistance in Panicum accessions to different bacterial pathogens. Sheena Friend, Virginia Tech, has conducted a phylogenetic study on the genus Arachis using germplasm acquired from S-009. Several accessions of three legume crops, Guar (Cluster bean  Cyamposis tetragonoloba), Sunn hemp (Crotalaria) and Lablab were evaluated by Harbans Bhardwaj at Virginia State for potential production in Virginia. In another study, Francoise Favi has been growing Cympogon accessions in the greenhouse to test volatiles and plants extracts on whitefly (Bemisia tabacci) and post-harvest insect pests. Maria Virginia Sanchez Puerta, at the Universidad Nacional de Cuyo in Argentina, has used accessions of solanaceous species to test for resistance to root-knot nematode (Meloidogyne spp.). These activities document the distribution and utilization of plant genetic resources, a primary objective of the regional project, in Virginia.

Plant Genetic Resources Conservation Unit Barkley, N.L., Wang, M.L., Pittman, R.N. 2011. Can high quality DNA be extracted and utilized from Arachis seeds in long term storage with zero percent germination? American Peanut Research and Education Society Abstracts. San Antonio, TX 7/15/2011. Barkley, N.L., Chamberlin, K.D., Wang, M.L., Pittman, R.N. 2011. Genotyping and fatty acid composition analysis in segregating peanut (Arachis hypogaea L.) populations. Peanut Science 38:11-19. Barkley, N.L., Wang, M.L., Pittman, R.N. 2011. A real-time PCR genotyping assay to detect FAD2A SNPs in peanuts (Arachis hypogaea L.). Electronic Journal of Biotechnology 14(1). Available: http://www.ejbiotechnology.info/index.php/ejbiotechnology/issue/view/65. Burow, G.B., Klein, R.R., Klein, P.E., Franks, C.D., Burke, J.J., Xin, Z., Pederson, G.A., Schertz, K.F. 2011. Registration of the IS3620C/BTx623 recombinant inbred mapping population of sorghum (Sorghum bicolor L. [Moench.]). 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Plant and Animal Genome Conference. San Diego January 15-19, 2011. Harrison Dunn, M.L., Pederson, G.A. 2010. Expansion of the USDA Switchgrass Germplasm Collection. ASA-CSSA-SSSA Annual Meeting Abstracts. Harrison Dunn, M.L., Hotchkiss, M.W. 2010. Bamboo: An Underutilized Resource with Extensive Application Possibilities. American Bamboo Society Annual Conference. Harrison Dunn, M.L. 2010. Curation of the U.S. Collection of Warm Season Grass Germplasm. International Symposium on Forage, Turfgrass and Biofuel Germplasm Research. Oct. 2010. Holbrook Jr, C.C., Burrow, M.D., Isleib, T.G., Pittman, R.N. 2010. Status of the core and the mini core collections for the U.S. gemrplasm collection of peanut. Proceeding of the American Peanut Research and Education Society 42:80. Jarret, R.L., Wang, M.L., Levy, I.J. 2011. Seed oil and Fatty acid content in okra (Abelmoschus esculentus) and related species. Journal of Agricultural and Food Chemistry 59(8):4019-4024. Morris, J.B., Chase, C., Cho, A., Koenig, R., Morales-Payan, J. 2010. Principal component analysis for morphological, seed reproductive, and phenology traits in 16 sunn hemp (Crotalaria juncea L.) accessions. American Society of Horticulture Science Meeting 45(8):S234 (Abstr.) Morris, J.B., Grusak, M.A., Wang, M.L. 2010. Mineral, Fatty Acid, Flavonoid, and Isoflavonoid variability in Lablab purpureus L. accessions. ASA-CSSA-SSSA Annual Meeting Abstracts. 89:1. Morris, J.B., Chase, C.A., Cho, A.H., Koenig, R.L., Morales-Payan, J.P. 2010. Earliness, morphological, and reproductive variation among 16 sunn hemp (Crotalaria juncea L.) accessions in Griffin, GA. Association for the Advancement of Industrial Crops Conference. Ft. Collins, CO. Sept. 18-22, 2010. Morris, J.B., Wang, M.L., Morse, S.A. 2011. Ricinus. Wild Crop Relatives: Genomic and Breeding Resources. 3:251-260. Morris, J.B., Wang, M.L. 2011. Evaluation for morphological, reproductive, anthocyanin index, and flavonol traits in ornamental and nutraceutical producing Hibiscus species. Ornamental Plants: Types, Cultivation and Nutrition. Hauppauge, NY: Nova Publishers. p.111-127. Morris, J.B. 2011. Morphological, Phenological, and Reproductive Trait Analysis for the Pasture Species, Siratro [Macroptilium atropurpureum (DC.) Urb.]. Tropical Grasslands. 44:266-273. Morris, J.B., Wang, M.L. 2011. Anthocyanin indexes, quercetin, kaempferol, and myricetin concentration in leaves and fruit of Abutilon theophrasti Medik. genetic resources. Plant Genetic Resources: Characterization and Utilization 1:1-3. Mosjidis, J.A., Wang, M.L. 2011. Crotalaria. Wild Crop Relatives: Genomic and Breeding Resources, Industrial Crops. 63-69 DOI: 10.1007/978-3-642-21102-7_3. Pederson, G.A. 2010. National Plant Germplasm System: Critical Role of Customer Service. ASA-CSSA-SSSA Annual Meeting Abstracts. Oct. 2010. Pederson, G.A. 2010. 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