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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
Sequencing of Cultivated Cotton Genome, Gossypium Hirsutum
Nonfunded Cooperative Agreement (N)
  Accession Number: 412897
Cotton Winter Nursery Operations
Specific Cooperative Agreement (S)
  Accession Number: 409554
Characterize, Evaluate, and Enhance Cotton Germplasm, and Enlarge, Improve, and Maintain Germplasm Databases
Specific Cooperative Agreement (S)
  Accession Number: 414629

Publications
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) - (24-Apr-09)
Registration of PSI 113 and PSI 425 Germplasm Lines of Pima Cotton Possessing Superior Fiber Quality Traits - (Peer Reviewed Journal) - (16-Apr-09)
Global view of cotton germplasm resources - (Abstract)
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)
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)
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)
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 - (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)
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)
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)
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/Symposium)
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/Symposium)
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)
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/Symposium) - (10-Sep-07)
The Future of Cotton Breeding in the Western United States. - (Abstract)
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/Symposium)
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)
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)
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)
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/Symposium)
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/Symposium)
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)
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)
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)
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)
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)
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)
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/Symposium)
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)
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/Symposium)
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/Symposium)
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)
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/Symposium) - (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

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