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Agricultural Research Service United States Department of Agriculture
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Richard G Percy
Crop Germplasm Research
Supervisory Research Geneticist (Plants)

Phone: (979) 260-9311
Fax: (979) 260-9333
2881 F&B ROAD
COLLEGE STATION, TX, 77845

Projects
COTTON GENOMICS AND GENETIC ANALYSIS
Appropriated (D)
  Accession Number: 413049
COTTON GENETIC RESOURCE MANAGEMENT
Appropriated (D)
  Accession Number: 413272
GENOMICS AND BIOINFORMATICS RESEARCH IN AGRICULTURALLY IMPORTANT ORGANISMS
Appropriated (D)
  Accession Number: 413429
SEQUENCING OF CULTIVATED COTTON GENOME, GOSSYPIUM HIRSUTUM
Nonfunded Cooperative Agreement (N)
  Accession Number: 412897
CHARACTERIZE, EVALUATE, AND ENHANCE COTTON GERMPLASM, AND ENLARGE, IMPROVE, AND MAINTAIN GERMPLASM DATABASES
Specific Cooperative Agreement (S)
  Accession Number: 414629
OPERATION OF A COTTON WINTER NURSERY TO MAINTAIN COTTON GERMPLASM DIVERSITY AND TO ACCELERATE PUBLIC AND PRIVATE COTTON IMPROVEMENT EFFORTS
Specific Cooperative Agreement (S)
  Accession Number: 419507
STABLE INTROGRESSION OF COTTON LEAF CURL VIRUS RESISTANCE INTO CULTIVATED COTTON AND GERMPLASM ENHANCEMENT
Specific Cooperative Agreement (S)
  Accession Number: 420289
INCREASE OF COTTON GERMPLASM WITH EMPHASIS ON NON-CULTIVATED SPECIES FOR EXAMINATION OF IMPORTANT DISEASE RESISTANCE TRAITS
Specific Cooperative Agreement (S)
  Accession Number: 420290
ENHANCING COTTON GERMPLASM, IMPROVING RESISTANCE TO COTTON LEAF CURL VIRUS AND SUPPORTING COTTON BEST MANAGEMENT PRACTICES FOR SMALL FARMERS
Specific Cooperative Agreement (S)
  Accession Number: 420292
DEVELOP AND MANAGE A PUBLICLY ACCESSIBLE COMPREHENSIVE COTTON DATABASE TO PRESERVE AND DISSEMINATE INFORMATION FOR THE IMPROVEMENT OF COTTON
Specific Cooperative Agreement (S)
  Accession Number: 421641

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
The draft genome of a diploid cotton Gossypium raimondii - (Peer Reviewed Journal)
Wang, K., Wang, Z., Li, F., Ye, W., Wang, J., Song, G., Yue, Z., Cong, L., Shang, H., Zhu, S., Zou, C., Li, Q., Yuan, Y., Lu, C., Wei, H., Gou, C., Zheng, Z., Yin, Y., Zhang, X., Liu, K., Wang, B., Song, C., Shi, N., Kohel, R.J., Percy, R.G., Yu, J., Zhu, Y., Wang, J., Yu, S. 2012. The draft genome of a diploid cotton Gossypium raimondii. Nature Genetics. doi: 10.1038/ng.2371.
Development of a core set of SSR markers for the characterization of Gossypium germplasm - (Peer Reviewed Journal)
Yu, J., Fang, D.D., Kohel, R.J., Ulloa, M., Hinze, L.L., Percy, R.G., Zhang, J., Chee, P., Scheffler, B.E., Jones, D.C. 2012. Development of a core set of SSR markers for the characterization of Gossypium germplasm. Euphytica. 187(2):203-213.
Genetic diversity in the U.S. Cotton Germplasm Collection as revealed by SSR markers - (Abstract Only) - (06-Jan-12)
Variation in seed oil and protein content among diverse cotton (Gossypium sp.) germplasm - (Abstract Only) - (06-Jan-12)
Molecular tools for contemporary cotton breeding - (Abstract Only)
Yu, J., Fang, D.D., Abdurakhmonov, I.Y., Yu, S., Percy, R.G. 2012. Molecular tools for contemporary cotton breeding [abstract]. Proceedings of the Plant and Animal Genome Conference XX, January 14-18, 2012, San Diego, California. W543.
A high-density simple sequence repeat and single nucleotide polymorphism genetic map of the tetraploid cotton genome - (Peer Reviewed Journal)
Yu, J., Kohel, R.J., Fang, D.D., Cho, J., Van Deynze, A., Ulloa, M., Hoffman, S.M., Pepper, A.E., Stelly, D.M., Jenkins, J.N., Saha, S., Kumpatla, S.P., Shah, M.R., Hugie, W.V., Percy, R.G. 2012. A high-density simple sequence repeat and single nucleotide polymorphism genetic map of the tetraploid cotton genome. Genes, Genomes, Genetics. 2:43-58.
Molecular variation among and within improved cultivars in the U.S. cotton germplasm collection - (Peer Reviewed Journal)
Hinze, L.L., Dever, J.K., Percy, R.G. 2012. Molecular variation among and within improved cultivars in the U.S. cotton germplasm collection. Crop Science. 52:222-230.
Registration of the TM-1/NM24016 Cotton Recombinant Inbred Mapping Population - (Peer Reviewed Journal)
Gore, M.A., Percy, R.G., Zhang, J., Fang, D.D., Cantrell, R.G. 2012. Registration of the TM-1/NM24016 cotton recombinant inbred mapping population. Journal of Plant Registrations. 6(1). 1:4.
Mapping resistance gene analogs (RGAs) in cultivated tetraploid cotton using RGA-AFLP analysis - (Peer Reviewed Journal)
Chen, N., Lu, Y., Yuan, Y., Percy, R.G., Ulloa, M., Zhang, J. 2011. Mapping resistance gene analogs (RGAs) in cultivated tetraploid cotton using RGA-AFLP analysis. Euphytica. DOI: 10.1007/s10681-011-0421-2.
Genetic diversity and agronomic potential of cultivars within the U.S Cotton Collection - (Abstract Only) - (07-Jan-11)
Preliminary assessment of the efficiency of a core marker set in revealing genetic diversity in the U.S. germplasm collection - (Abstract Only)
Percy, R.G., Fang, D.D., Hinze, L.L., Yu, J., Frelichowski, J.E., Scheffler, B.E., Gore, M.A. 2011. Preliminary assessment of the efficiency of a core marker set in revealing genetic diversity in the U.S. germplasm collection. In: Proceedings of the National Cotton Council Beltwide Cotton Conference, January 4-7, 2011, Atlanta, Georgia. 2011 CDROM.
Polyploidization altered gene functions in cotton (Gossypium spp.) - (Peer Reviewed Journal)
Xu, Z., Yu, J., Cho, J., Yu, J., Kohel, R.J., Percy, R.G. 2010. Polyploidization altered gene functions in cotton (Gossypium spp.). PLoS One. 5(12):e14351. doi:10.1371/journal.pone.0014351.
Variability in four diverse cotton (Gossypium hirsutum L.) germplasm populations - (Peer Reviewed Journal)
Hinze, L.L., Kohel, R.J., Campbell, B.T., Percy, R.G. 2011. Variability in four diverse cotton (Gossypium hirsutum L.) germplasm populations. Genetic Resources and Crop Evolution. 58(4):561-570.
The construction of a tetraploid cotton genome-wide comprehensive reference map and the comparison with cotton physical mapping information - (Abstract Only) - (21-Jun-10)
Distribution of fiber development genes and transcription factors between At and Dt subgenomes in tetraploid cotton - (Abstract Only) - (21-Jun-10)
Coordination and collaboration to document the global cotton germplasm resources - (Proceedings)
Frelichowski, J.E., Campbell, B.T., Saha, S., Percy, R.G., Jenkins, J.N., Park, W., Mayee, C., Gotmare, V., Dessauw, D., Giband, M. 2010. Coordination and collaboration to document the global cotton germplasm resources. Proceedings of the International Cotton Genome Initiative Workshop, September 21-23, 2010, Canberra, Australia. p. 24.
Fiber quality of cultivars and breeding lines in the cotton winter nursery and U.S. environments - (Peer Reviewed Journal)
Hinze, L.L., Percy, R.G., Jones, D. 2010. Fiber quality of cultivars and breeding lines in the Cotton Winter Nursery and U.S. environments. Journal of Cotton Science. 14(3):138-144.
Registration of CRB 252, an upland cotton germplasm line possessing superior fiber quality traits - (Peer Reviewed Journal)
Percy, R.G., Campbell, B.T., Chee, P.W., Jones, D.C., Lubbers, E.L., Myers, G.O., Ulloa, M. 2010. Registration of CRB 252, an upland cotton germplasm line possessing superior fiber quality traits. Journal of Plant Registrations. 4(3):1-4.
Status of the global cotton germplasm resources Reprint Icon - (Peer Reviewed Journal)
Campbell, B.T., Saha, S., Jenkins, J.N., Park, W., Percy, R.G., Frelichowski, J.E., Mayee, C., Gotmare, V., Dessauw, D., Giband, M., Du, X., Jia, Y., Constable, G., Dillon, S., Abdurakhmonov, I.Y., Abdukarimov, A., Rizaeva, S.M., Adullaev, A.A., Barroso, P.V., Padua, J.G., Hoffman, L.V., Podolnaya, L. 2010. Status of the global cotton germplasm resources. Crop Science. 50:1161-1179.
Progress in breeding for tolerance to Fusarium wilt (FOV) races 1 and 4 in the San Joaquin Valley (SJV) of California. - (Abstract Only)
Ulloa, M., Hutmacher, R.B., Wright, S.D., Davis, M., Percy, R.G., Roberts, P.A. 2010. Progress in breeding for tolerance to Fusarium wilt (FOV) races 1 and 4 in the San Joaquin Valley (SJV) of California. National Cotton Council, Memphis, TN. p. 259.
Molecular and genetic diversity of cultivars in the U.S. cotton germplasm collection - (Abstract Only)
Hinze, L.L., Percy, R.G., Dever, J. 2010. Molecular and genetic diversity of cultivars in the U.S. cotton germplasm collection [abstract]. In: Proceedings of the National Cotton Council Beltwide Cotton Conferences, January 4-7, 2010, New Orleans, Louisiana. p. 761. CDROM.
Development of core SSR markers for Gossypium germplasm characterization - (Abstract Only)
Yu, J., Fang, D.D., Ulloa, M., Percy, R.G., Kohel, R.J., Hinze, L.L., Frelichowski, J.E., Cho, J., Campbell, B.T., Chee, P., Zhang, J., Abdurakhmonov, I., Abdukarimov, A., Jones, D.C. 2010. Development of core SSR markers for Gossypium germplasm characterization [abstract]. In: Proceedings of the National Cotton Council Beltwide Cotton Conferences, January 4-7, 2010, New Orleans, Louisiana. p. 811. CDROM.
Portable DNA markers tailored for systematic characterization of Gossypium germplasm - (Abstract Only)
Yu, J., Fang, D.D., Ulloa, M., Percy, R.G., Kohel, R.J., Hinze, L.L., Frelichowski, J.E., Cho, J., Campbell, B.T., Chee, P., Abdurakhmonov, I., Abdukarimov, A., Jones, D.C. 2010. Portable DNA markers tailored for systematic characterization of Gossypium germplasm [abstract]. In: Plant and Animal Genome Conference Proceedings, January 9-13, 2010, San Diego, California. P149.
The Future of Cotton Breeding in the Western United States. - (Peer Reviewed Journal)
Ulloa, M., Percy, R.G., Hutmacher, R.B., Zhang, J. 2009. The Future of Cotton Breeding in the Western United States. J. Cotton Sci. 13(4):246-255.
DNA polymorphisms of genes involved in fiber development in a selected set of cultivated tetraploid cotton - (Peer Reviewed Journal)
Lu, Y., Curtiss, J., Percy, R.G., Hughs, S.E., Yu, S., Zhang, J. 2009. DNA polymorphisms of genes involved in fiber development in a selected set of cultivated tetraploid cotton. Crop Science. 49:1695-1704.
Ability of SSRs to detect differences among cotton cultivars - (Abstract Only) - (24-Apr-09)
Registration of PSI 113 and PSI 425 Germplasm Lines of Pima Cotton Possessing Superior Fiber Quality Traits - (Peer Reviewed Journal)
Percy, R.G., Ulloa, M., Zhang, J. 2009. Registration of PSI 113 and PSI 425 germplasm lines of Pima cotton possessing superior fiber quality traits. Journal of Plant Registrations. 3(3):297-299.
Global view of cotton germplasm resources - (Abstract Only)
Saha, S., Campbell, B.T., Jenkins, J.N., Park, W., Percy, R.G., Frelichowski, J.E., Mayee, C., Gotmare, V., Dessauw, D., Giband, M., Du, Y., Jia, Y., Constable, G., Dillon, S., Abdurakhmonov, A., Abdukarimov, A.A., Rizaeva, S., Adullaev, A.A., Barroso, P.A., Padua, J.G., Hoffmann, L.V. 2009. Global view of cotton germplasm resources. National Cotton Council Beltwide Cotton Conference. p. 658.
Registration of Four Pima Cotton Germplasm Lines Having Good Levels of Fusarium wilt race 4 resistance with Moderate Yields and Good Fibers. - (Peer Reviewed Journal)
Ulloa, M., Percy, R., Zhang, J., Hutmacher, R.B., Wright, S.D., Davis, R.M. 2009. Registration of four Pima cotton germplasm lines having good levels of Fusarium wilt race 4 resistance with moderate yields and good fibers. Journal of Plant Registrations. 3:198-202.
CottonDB: A resource for cotton genome research - (Abstract Only)
Yu, J., Kohel, R.J., Hinze, L.L., Frelichowski, J.E., Xu, Z., Yu, J., Percy, R.G. 2009. CottonDB: A resource for cotton genome research [abstract]. In: Proceedings of the Plant and Animal Genome Conference, January 10-14, 2009, San Diego, California. 2009 CDROM.
Is the Cotton Winter Nursery appropriate for evaluating fiber quality? - (Abstract Only)
Hinze, L.L., Percy, R.G., Jones, D. 2009. Is the Cotton Winter Nursery appropriate for evaluating fiber quality? [abstract]. Proceedings of the Beltwide Cotton Conferences, January 5-8, 2009, San Antonio, Texas. 2009 CDROM.
CottonDB: A database for cotton research - (Abstract Only)
Yu, J., Kohel, R.J., Hinze, L.L., Frelichowski, J.E., Xu, Z., Yu, J., Percy, R.G. 2009. CottonDB: A database for cotton research [abstract]. Proceedings of the Beltwide Cotton Conferences, January 5-8, 2009, San Antonio, TX. 2009 CDROM.
Status of the USA cotton germplasm collection and crop vulnerability Reprint Icon - (Peer Reviewed Journal)
Wallace, T.P., Bowman, D., Campbell, B.T., Chee, P., Gutierrez, O.A., Kohel, R.J., McCarty, J., Myers, G., Percy, R., Robinson, F., Smith, W., Stelly, D.M., Stewart, J.M., Thaxton, P., Ulloa, M., Weaver, D.B. 2009. Status of the USA cotton germplasm collection and crop vulnerability. Genetic Resources and Crop Evolution 56:507-532.
Perspectives of the International Cotton Genome Initiative - (Abstract Only)
Yu, J., Percy, R.G. 2008. Perspectives of the International Cotton Genome Initiative [abstract]. In: Proceedings of the International Cotton Genome Initiative Workshop, July 8-11, 2008, Anyang, China. p. 2.
Sequencing of the cultivated tetraploid cotton genome - Gossypium hirsutum - (Abstract Only)
Yu, S., Wang, K., Li, F., Kohel, R.J., Percy, R.G., Yu, J. 2008. Sequencing of the cultivated tetraploid cotton genome - Gossypium hirsutum [abstract]. In: Proceedings of the International Cotton Genome Initiative Workshop, July 8-11, 2008, Anyang, China. p. 4.
CottonDB enhancement - (Abstract Only)
Yu, J., Kohel, R.J., Hinze, L.L., Frelichowski, J.E., Xu, Z., Yu, J., Percy, R.G. 2008. CottonDB enhancement [abstract]. In: Proceedings of the International Cotton Genome Initiative Workshop, July 8-11, 2008, Anyang, China. p. 120.
Evaluation of cotton germplasm and breeding populations for salt tolerance - (Proceedings)
Bajaj, S., Wang, W., Hughs, S.E., Percy, R.G., Ulloa, M., Zhang, J. 2008. Evaluation of cotton germplasm and breeding populations for salt tolerance. National Cotton Council Beltwide Cotton Conference, January 8-11, 2008, Nashville, TN. 2008 CDROM.
Genetic association of lint yield with its components in cotton chromosome substitution lines - (Peer Reviewed Journal)
Wu, J., Jenkins, J.N., McCarty Jr., J.C., Saha, S., Percy, R.G. 2008. Genetic association of lint yield with its components in cotton chromosome substitution lines. Euphytica. 164:199-207.
Release of SJ-07P-FR01, SJ-07P-FR02, SJ-07P-FR03, and SJ-07P-FR04 'Cotton'. - (Germplasm Release)
Ulloa, M., Percy, R.G., Hutmacher, B., Wright, S., Davis, M. 2008. Release of SJ-07P-FR01, SJ-07P-FR02, SJ-07P-FR03, and SJ-07P-FR04 'Cotton'. Germplasm Release.
Update on Fusarium Race 4 Varietal Evaluations in California. - (Proceedings)
Hutmacher, R.B., Ulloa, M., Wright, S.D., Keeley, M., Davis, R.M., Munk, D.S., Banuelos, G., Marsh, B.H., Percy, R.G., Smith, L., Biggs, M. 2008. Update on Fusarium Race 4 Varietal Evaluations in California. National Cotton Council Beltwide Cotton Conference. p. 811-812.
Insights from the International Cotton Genome Initiative - (Abstract Only)
Yu, J., Percy, R.G., Brubaker, C.L., Kohel, R.J., Stelly, D.M., Cantrell, R.G. 2008. Insights from the International Cotton Genome Initiative [abstract]. In: Proceedings of Plant and Animal Genome XVI Conference, January 12-16, 2008, San Diego, California. Paper No. W327.
Gossypium Germplasm Resources for Cotton Improvement - (Proceedings) - (10-Sep-07)
The Future of Cotton Breeding in the Western United States. - (Abstract Only)
Ulloa, M., Percy, R., Hutmacher, R., Zhang, J. 2007. The Future of Cotton Breeding in the Western United States. World Cotton Research Conference Proceedings.
Towards Sequencing Cotton (Gossypium) Genomes - (Peer Reviewed Journal)
Chen, Z., Scheffler, B.E., Dennis, E., Triplett, B.A., Zhang, T., Chen, X., Stelly, D., Rabinowicz, P., Town, C., Arioli, T., Brubaker, C., Cantrell, R., Lacape, J., Ulloa, M., Chee, P., Gingle, A.R., Haigler, C.H., Percy, R.G., Saha, S., Wilkins, T., Wright, R.I., Van Deynze, A., Zhu, Y., Yu, S., Guo, W., Abdurakhmonov, I., Katageri, I., Ur-Rahman, M., Zafar, Y., Yu, J., Kohel, R.J., Wendel, J., Paterson, A. 2007. Towards Sequencing Cotton (Gossypium) Genomes. Plant Physiology. 145:1303-1310.
The World Gene Pool of Gossypium barbadense L. and Its Improvement - (Book / Chapter)
Percy, R.G. 2009. The worldwide gene pool of Gossypium barbadense L. and its improvement. In Paterson, A.H., editor. Genetics and genomics of cotton. Springer, New York, pp. 53-68.
AFLP-RGA Markers in Comparison with RGA and AFLP in Cultivated Tetraploid Cotton - (Peer Reviewed Journal)
Zhang, J., Yuan, Y., Niu, C., Hinchliffe, D.J., Lu, Y., Yu, S., Percy, R.G., Ulloa, M., Cantrell, R.G. 2007. AFLP-RGA markers in comparison with RGA and AFLP in cultivated tetraploid cotton. Crop Science 47:180-187.
REGISTRATION OF AGC85, AGC208, AND AGC375 UPLAND COTTON GERMPLASM LINES - (Peer Reviewed Journal)
Percy, R.G., May, O.L., Ulloa, M., Cantrell, R.G. 2006. Registration of AGC85, AGC208, and AGC375 upland cotton germplasm lines. Crop Science. p. 1828.
PEDIGREES OF UPLAND AND PIMA COTTON CULTIVARS RELEASED BETWEEN 1970 AND 2005 - (Experiment Station)
Bowman, D.T., Gutierrez, O.A., Percy, R.G., Calhoun, D.S., May, O.L. 2006. Pedigrees of Upland and Pima cotton cultivars released between 1970 and 2005. Mississippi Agricultural and Forestry Experiment Station Technical Bulletin 1155. 57 pp.
COMMERCIAL AND IMPROVED GERMPLASM EVALUATIONS FOR FUSARIUM WILT, FOV RACE 1 WITH ROOT-KNOT NEMATODES AND RACE 4. - (Proceedings)
Ulloa, M., Hutmacher, B., Davis, R.M., Bennett, R., Percy, R., Marsh, B., Wright, S., Mcguire, M. 2006. Commercial and improved germplasm evaluations for fusarium wilt, fov race 1 with root-knot nematodes and race 4. National Cotton Council Beltwide Cotton Conference. p. 883-893.
GENETIC VARIATION FOR AGRONOMIC AND FIBER PROPERTIES IN AN INTROGRESSED RECOMBINANT INBRED POPULATION OF COTTON - (Peer Reviewed Journal)
Percy, R.G., Cantrell, R.G., Zhang, J. 2006. Genetic variation for agronomic and fiber properties in an introgressed recombinant inbred population of cotton. Crop Science, pp. 1311-1317.
BREEDING FOR FUSARIUM WILT RACE 4 RESISTANCE IN COTTON UNDER FIELD AND GREENHOUSE CONDITIONS. - (Peer Reviewed Journal)
Ulloa, M., Hutmacher, R.B., Davis, R.M., Wright, S.D., Percy, R.G., Marsh, B. 2006. Breeding for Fusarium wilt race 4 resistance in cotton under field and greenhouse conditions. J. Cot. Sci. 10:114-127.
EFFECT OF CHROMOSOME SPECIFIC INTROGRESSION IN UPLAND COTTON ON FIBER AND AGRONOMIC TRAITS - (Peer Reviewed Journal)
Saha, S., Jenkins, J.N., Wu, J., McCarty Jr., J.C., Gutierrez, O.A., Percy, R.G., Cantrell, R.G., Stelly, D.M. 2006. Effects of chromosome-specific introgression in upland cotton on fiber and agronomic traits. Genetics. 172:1927-1938.
A MOLECULAR LINKAGE MAP AND QUANTITATIVE TRAIT LOCUS ANALYSIS BASED ON A RECOMBINANT INBRED LINE POPULATION OF COTTON - (Abstract Only)
Zhang, J., Lu, Y., Percy, R.G., Ulloa, M., Van Becelaere, G., Chee, P., Cantrell, R. 2005. A molecular linkage map and quantitative trait locus analysis based on a recombinant inbred line population of cotton. National Cotton Council Beltwide Cotton Conference, abstract, pg 899.
REPORT OF THE COTTON CROP GERMPLASM COMMITTEE - (Abstract Only)
Wallace, T.P., Gutierrez, O.A., Percy, R.G., Thaxton, P., Ulloa, M. 2005. Report of the cotton crop germplasm committee. National Cotton Council Beltwide Cotton Conference abstract, pg 1060.
DISCOVERY OF SINGLE NUCLEOTIDE POLYMORPHISMS IN SELECTED FIBER GENES IN CULTIVATED TETRAPLOID COTTON - (Abstract Only)
Lu, Y., Curtiss, J., Zhang, J., Percy, R.G., Cantrell, R.G. 2005. Discovery of single nucleotide polymorphisms in selected fiber genes in cultivated tetraploid cotton. National Cotton Council Beltwide Cotton Conference, abstract, pg 946.
BREEDING FOR FUSARIUM WILT (FOV) RACE 4 RESISTANCE IN COTTON. - (Proceedings)
Ulloa, M., McGuire, M.R., Hutmacher, R., Marsh, B., Davis, R.M., Percy, R. 2005. Breeding for fusarium wilt (fov) race 4 resistance in cotton. National Cotton Council Beltwide Cotton Conference.
FUSARIUM IN ACALA AND PIMA COTTON: SYMPTOMS AND DISEASE DEVELOPMENT. - (Proceedings)
Hutmacher, B., Davis, M.R., Ulloa, M., Wright, S., Munk, D.S., Vargas, R.N., Roberts, B.A., Marsh, B.H., Keeley, M.P., Kim, Y., Percy, R.G. 2005. Fusarium in acala and pima cotton: symptoms and disease development.. National Cotton Council Beltwide Cotton Conference. pp. 245-246.
MOLECULAR AND CYTOLOGICAL CHARACTERIZATION OF A CYTOPLASMIC-SPECIFIC MUTANT IN PIMA COTTON (GOSSYPIUM BARBADENSE L.) - (Peer Reviewed Journal)
Karaca, M., Saha, S., Callahan, F.E., Jenkins, J.N., Read, J.J., Percy, R.G. 2004. Molecular and cytological characterization of a cytoplasmic-specific mutant in pima cotton (Gossypium barbadense L.). Euphytica. 139:187-197.
VEGETATIVE AND REPRODUCTIVE STRESS TOLERANCE IN COTTON - (Abstract Only)
Burke, J.J., Percy, R.G. 2004. Vegetative and reproductive stress tolerance in cotton[abstract]. October 31-November 04, 2004, Seattle, Washington. American Society of Agronomy Meetings. 2004 CD-ROM.
ASSOCIATION OF AGRONOMIC AND FIBER TRAITS WITH SPECIFIC 3-79 (GOSSYPIUM BARBADENSE) CHROMOSOMES IN A TM-1 (G. HIRSUTUM) BACKGROUND - (Peer Reviewed Journal)
Saha, S., Wu, J., Jenkins, J.N., McCarty Jr., J.C., Gutierrez, O.A., Stelly, D.M., Percy, R.G., Raska, D.A. 2004. Effect of chromosome substitutions from Gossypium hirsutum L. 3-79 into G. hirsutum L. TM-1 on agronomic and fiber traits. Journal of Crop Science. 8:162-169.
CYTOGENETIC RESOURCES IN DISSECTING COMPLEX QTLS AND ENHANCING GERMPLASM IN UPLAND COTTON - (Abstract Only)
Saha, S., Jenkins, J.N., Wu, J., McCarty Jr., J.C., Percy, R.G., Cantrell, R.G., Stelly, D.M. 2004. Cytogenetic resources in dissecting complex QTLs and enhancing germplasm in upland cotton. International Cotton Genome Initiative ICG-2004 Workshop Proceedings. p. 81.
CHROMOSOME SUBSTITUTION LINES: IMPORTANT GENOMIC RESOURCES IN COTTON - (Abstract Only)
Saha, S., Jenkins, J.N., McCarty, Jr., J.C., Wu, J., Gutierrez, O.A., Cantrell, R.G., Percy, R.G., Stelly, D.M. 2004. Chromosome substitution lines: important genomic resources in cotton. Biotechnology Symposium Proceedings, Alabama A&M University. CD-ROM.
CHROMOSOME-SPECIFIC RESOURCES FOR GERMPLASM INTROGRESSION AND GENOMICS IN GOSSYPIUM - (Abstract Only)
Stelly, D.M., Saha, S., Raskal, D.A., Wu, J., Jenkins, J.N., McCarty Jr., J.C., Gutierrez, O.A., Percy, R.G., Gardunial, B., Dighel, N. 2004. Chromosome-specific resources for germplasm introgression and genomics in Gossypium [abstract]. Plant and Animal Genomes XII Conference Proceedings. Paper no. W187.
CHARACTERIZATION OF A POPULATION OF INTROGRESSED RECOMBINANT INBRED LINES FOR AGRONOMIC AND FIBER QUALITY TRAITS - (Abstract Only)
Percy, R.G., Zhang, Z., Cantrell, R. 2004. Characterization of a population of introgressed recombinant inbred lines for agronomic and fiber quality traits. National Cotton Council Beltwide Cotton Conference. P1055 (Abstract)
A PROJECT TO DEVELOP BROADLY ADAPTED, HEAT TOLERANT, HIGH FIBER QUALITY - (Abstract Only)
Percy, R.G., May, L., Ulloa, M., Cantrell, R. 2004. A project to develop broadly adapted, heat tolerant, high fiber quality. National Cotton Council Beltwide Cotton Conference. p 1148 (Abstract)
AN INTEGRATED SSR-STS-SRAP-RAPD GENETIC MAP USING RECOMBINANT INBRED LINE POPULATION IN TETRAPLOID COTTON - (Proceedings)
Lu, Y., Zhang, J., Percy, R.G., Cantrell, R.G. 2004. An integrated ssr-sts-srap-rapd genetic map using recombinant inbred line population in tetraploid cotton. National Cotton Council Beltwide Cotton Conference. 1156-1161.
COMPARISON OF BULK F2 PERFORMANCE TESTING AND PEDIGREE SELECTION IN THIRTY PIMA COTTON POPULATIONS - (Peer Reviewed Journal)
PERCY, R.G. COMPARISON OF BULK F2 PERFORMANCE TESTING AND PEDIGREE SELECTION IN THIRTY PIMA COTTON POPULATIONS. JOURNAL OF COTTON SCIENCE 7. 2003. 170-178
HERITABILITY OF SINGLE INSTRUMENT AND AFIS FIBER TRAITS IN A GOSSYPIUM BARBADENSE CROSS - (Abstract Only)
PERCY, R.G., ULLOA, M. HERITABILITY OF SINGLE INSTRUMENT AND AFIS FIBER TRAITS IN A GOSSYPIUM BARBADENSE CROSS. 2003 BELTWIDE COTTON CONFERENCE. 2003. pp. 2555.
CHROMOSOMAL EFFECT ON FIBER AND AGRONOMIC TRAITS UTILIZING GOSSYPIUM BARBADENSE CHROMOSOME-SPECIFIC F2 HYBRID POPULATION OF G. HIRSUTUM - (Proceedings)
Saha, S., Raska, D.A., Jenkins, J.N., McCarty Jr, J.C., Gutierrez, O.A., Percy, R.G., Cantrell, R.G., Wu, J., Zhu, J., Stelly, D.M. 2004. Effect of chromosome on important quantitative traits of agronomic and fiber traits using Gossypium barbadense chromosome-specific recombinant lines of Gossypium hirsutum. World Cotton Research Conference Proceedings. p. 170-174.
HERITABILITY OF SINGLE INSTRUMENT AND AFIS FIBER TRAITS IN A GOSSYPIUM BARBADENSE CROSS. - (Proceedings)
PERCY, R.G., ULLOA, M. 2003. HERITABILITY OF SINGLE INSTRUMENT AND AFIS FIBER TRAITS IN A GOSSYPIUM BARBADENSE CROSS.. NATIONAL COTTON COUNCIL BELTWIDE COTTON CONFERENCE. p. 2555.
COMPARISON OF GENETIC DIVERSITY WITHIN IMPROVED GERMPLASM OF COTTONS WITH RFLP, SSR, AND RAPD MARKERS. - (Other)
Ulloa, M., Percy, R.G. 2002. Comparison of genetic diversity within improved germplasm of cottons with rflp, ssr, and rapd markers..Crop Science abstracts, Annual Meeting ASA, CSSA, and SSSA. p. 189.
CHROMOSOME SUBSTITUTION LINES IN COTTON IMPROVEMENT - (Abstract Only)
Saha, S., Stelly, D.M., Gutierrez, O.A., Jenkins, J.N., McCarty Jr., J.C., Cantrell, R.G., Percy, R.G., Raska, D.A. 2002. Chromosome substitution lines in cotton improvement. Cotton Science. 14(S): 78.
A COMPARISON OF EARLY GENERATION F_2 TESTING AND PEDIGREE SELECTION IN PIMA COTTON - (Proceedings) - (01-Mar-02)
HERITABILITY OF TOLERANCE TO EARLY FOLIAR DECLINE IN THREE AMERICAN PIMA COTTON POPULATIONS. - (Peer Reviewed Journal)
PERCY, R.G., MOSER, H., HUTMACHER, R., WRITE, S. HERITABILITY OF TOLERANCE TO EARLY FOLIAR DECLINE IN THREE AMERICAN PIMA COTTON POPULATIONS.. JOURNAL OF COTTON SCIENCE 6. 2002. 104-114
PERFORMANCE OF PIMA GERMPLASM LINES POSSESSING HIGH STRENGTH AND LONG LENGTH FIBER - (Proceedings) - (01-Jul-01)
SELECTION FOR TOLERANCE TO EARLY FOLIAR DECLINE IN PIMA COTTON - (Proceedings) - (01-Jul-01)
REGISTRATION OF PS-6NE- PS-6L(0), PS-6NEL(0), P62NE, P62L(0), AND P62NEL(0)EXTRA-LONG STAPLE COTTON GERMPLASM - (Germplasm Release)
PERCY, R.G. REGISTRATION OF PS-6NE- PS-6L(0), PS-6NEL(0), P62NE, P62L(0), AND P62NEL(0)EXTRA-LONG STAPLE COTTON GERMPLASM. CROP SCIENCE 41. 2001. 602-603
RELEASED OF OKRA-LEAF, NECTARILESS, AND OKRA-LEAF-NECTARILESS PIMA GERMPLASM LINES IN FULL SEASON AND EARLY MATURING BACKGROUNDS - (Proceedings) - (01-Jun-00)
MOLECULAR IDENTIFICATION OF CYTOPLASMIC-SPECIFIC TRANSCRIPTS IN COTTON - (Proceedings) - (01-Jun-00)
VARIABILITY OF PLUS AND MINUS GOSSYPOL IN THE 1998 NATIONAL COTTON VARIETY TEST - (Proceedings) - (01-Jun-00)
MOLECULAR IDENTIFICATION OF CYTOPLASMIC SPECIFIC TRANSCRIPTS IN COTTON - (Abstract Only) - (04-Jan-00)
GENETIC VARIATION FOR STOMATAL CONDUCTANCE AND RELATIONSHIP TO AGRONOMIC PERFORMANCE IN AN INTERSPECIFIC COTTON POPULATION - (Peer Reviewed Journal)
ULLOA, M., CANTRELL, R.G., PERCY, R.G., LU, Z., ZEIGER, E. GENETIC VARIATION FOR STOMATAL CONDUCTANCE AND RELATIONSHIP TO AGRONOMIC PERFORMANCE IN AN INTERSPECIFIC COTTON POPULATION. CROP SCIENCE SOCIETY OF AMERICA. 1999.
GENETIC VARIABILITY WITHIN IMPROVED GERMPLASM OF GOSSYPIUM HIRSUTUM AND G. BARBADENSE COTTONS - (Abstract Only)
ULLOA, M., MEREDITH JR, W.R., PERCY, R.G., MOSER, H. GENETIC VARIABILITY WITHIN IMPROVED GERMPLASM OF GOSSYPIUM HIRSUTUM AND G. BARBADENSE COTTONS. CROP SCIENCE SOCIETY OF AMERICA. 1999.
GENES FROM EXOTIC GERMPLASM AND THEIR USES IN CULTIVAR IMPROVEMENT IN GOSSYPIUM HIRSUTUM L. AND G. BARBADENSE L. - (Book / Chapter) - (01-Jul-99)
GROWTH AND BIOMASS PARTITIONING IN OBSOLETE AND MODERN PIMA COTTON CULTIVARS - (Proceedings) - (01-Jun-98)
SILVERLEAF WHITEFLY RESISTANCE SCREENING IN PIMA COTTON GENOTYPES - (Abstract Only) - (01-Aug-97)
GNETIC IMPROVEMENT OF FIBER QUALITY IN PIMA COTTON (GOSSYPIUM BARBADENSE) - (Proceedings) - (01-Jun-97)
PHOTOSYNTHETIC RATE, STOMATAL CONDUCTANCE AND LEAF AREA IN TWO COTTON SPECIES (GOSSYPIUM BARBADENSE AND GOSSYPIUM HIRSUTUM) AND THEIR RELATION WITH HEAT RESISTANCE AND YIELD. - (Peer Reviewed Journal) - (05-Jan-97)

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