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Name: Linscombe, Steven D. Title: Professor & Director E-mail: Department: Southwest Region Organization: LSU AgCenter Address 1: 1373 Caffey Road Address 2: Rayne, LA 70578 Phone Number: (337) 788-7531 Mobile: (337) 296-6858 Fax Number: (337) 788-7553

Education/Training Ph.D., 1982; Mississippi State Univ., Mississippi State. Agronomy - Plant Breeding and Genetics. M.S., 1979; Louisiana State University, Baton Rouge. B.S., 1976; Louisiana State University, Baton Rouge.

Professional Experience Dec. 2001-present: Regional Director, Southwest Region; Resident Coordinator, Rice Res. Stn. Responsibilities: Administrator of all LSU AgCenter research and extension activities in the Southwest Region; Administrator of the Rice Research Station. June 1988-present: Senior Rice Breeder and Geneticist, LSU AgCenter, Rice Research Station, Crowley, LA. Responsibilities: Project Leader - Rice Breeding and Genetics Project at the Rice Research Station. Activities include coordination of all activities within this large scale rice variety development program. Includes close cooperation with other projects at the Rice Research Station, as well as on the LSU campus at Baton Rouge. In addition to applied research in variety development, project includes basic research problems in rice genetics. This position also requires extensive contact with rice growers, extension agents, researchers, support industry personnel, etc., in technology transfer in all areas of rice production. 1986-1988; Associate Specialist, LSU AgCenter, La. Coop. Extn. Serv., Baton Rouge, LA. 1982-1986; Assistant Specialist, LSU AgCenter, La. Coop. Extn. Serv., Baton Rouge, LA. Responsibilities: Coordinate Extension activities on all agronomic aspects of rice and grain sorghum production; provide educational programs (agent training and grower training) in rice and grain sorghum agronomy; inform researchers of the needs of producers and help design and implement research to answer those needs; cooperate with researchers in ongoing research projects; visit farming operations and provide answers about appropriate agronomic practices with rice and grain sorghum; work with other agencies (U.S.D.A., Louisiana Department of Agriculture and Forestry) and chemical companies in providing or obtaining information; interpret data provided by research groups; work very closely with members of other disciplines in a team approach to answer the needs of the people; work with researchers, chemical companies and others to obtain new or modified labels on pesticides essential to rice and grain sorghum production; write bulletins, handbooks, pamphlets, news articles and circular letters explaining various aspects of rice and grain sorghum production; make radio and television tapes to provide timely information for producers; teach in a formal setting (Agronomy 3061 - Rice Production); serve on graduate student committees; conduct on-farm demonstrations (replicated and unreplicated) to speed producer adoption of new recommended practices; conduct field days and discuss demonstrations.

Awards/Grants 2006 Awarded: Distinguished Rice Research and/or Education Award by the Rice Technical Working Group. 2003 Awarded: Tipton Team Research Award by the LSU Agricultural Center. 2001 Awarded: Friend of the Farmer Award by Riceland Foods. 1999 Awarded: Endowed Professorship - American Cyanamid Professorship for Plant Genetics, Breeding, and Variety Development. 1998 Awarded: Distinguished Rice Research and Education Award by the Rice Technical Working Group. 1997 Recognized: By the Progressive Farmer Magazine as “Man of the Year in Louisiana Agriculture.” 1997-1998 Selected and Participated: USA Rice Federation Rice Leadership Development Program 1996 Awarded: First Mississippi Corporation Award of Excellence for Outstanding Work in the Louisiana Agricultural Experiment Station. Jan. 10. 1996 Awarded: United States Department of Agriculture Award for Superior Service - "For Personal and Professional Excellence in the Development and Release of Superior Rice Varieties that have Resulted in Increased Income to the Rice Industry and Improved Quality for Consumers." June 5. 1995 Recognized: By the Louisiana Rice Growers Association for "Exceptional Accomplishments in Varietal Development and Outstanding Contributions to the Louisiana Rice Industry." Mar. 24. Released 16 rice cultivars: Lacassine-1991; Bengal and Cypress-1992; Jodon-1994; Dellrose-1995; Lafitte-1996; Cocodrie-1998; Earl -2000; CL121 and CL141, 2001; CL161, 2002; Cheniere and Pirogue, 2003; CL131, Ecrevisse, and Trenasse, 2004. PROFESSIONAL ACTIVITIES: American Society of Agronomy Crops Registration Committee Member; Rice Registration Sub-committee Chairman; Membership Committee, 1984-87; Crop Advisory Committee (Rice) Member; Membership Committee; Reviewer Crop Science Society of America Crops Registration Committee; Rice Registration Sub-Committee, Chair; Crop Advisory Committee; Reviewer Louisiana Association of Agronomy Rice Technical Working Group 2004 Local Arrangements Chair; General Program Coordinator, 1993-94; Local Arrangements Committee, 1983-84 and 1993-94; Rice Variety Acreage Committee, 1986-present; Nominations Committee, 1990-present; Breeding, Genetics, and Cytogenetics Committee, Chair, 1993-94 Louisiana Rice Variety Recommendations Committee, 1982-present; Chairman, 1982-88 Louisiana Department of Agriculture Plant Breeding Examination Committee Chairman, 1986 L.S.U. Agricultural Center Future Planning Think Tank, 1986-87 Reduction of Per Unit Production Cost Subcommittee Chairman Louisiana Agricultural Experiment Station Rice Research Advisory Committee, 1990-present Rice Foundation - Focus on Research Committee, 1992 Louisiana Agricultural Experiment Stn. Strategic Planning Implementation Committee, 1993 Temperate Rice Conference – Organizing Committee, 1999 INTERNATIONAL ASSIGNMENTS: Has traveled to the following countries to work in various areas of rice breeding, agronomics, etc.: Argentina, Uruguay, Brazil, Chile, Suriname, Venezuela, Colombia, Nicaragua, Costa Rica, Panama, Italy, Spain, France, Japan, Australia, Korea, Philippines, China, England, and Ukraine.

Publications/Presentations/Patents REFEREED PROFESSIONAL JOURNAL PUBLICATIONS (2002-present): Ellis, J.M., J.L. Griffin, S.D. Linscombe, and E.P. Webster. 2003. Rice (Oryza sativa) and corn (Zea mays) response to simulated drift of glyphosate and glufosinate. Weed Technol. 17:452-460. Jodari, F., X. Sha, S.D. Linscombe, P.K. Bollich, D.E. Groth, L.M. White, R.T. Dunand, and Q.R. Chu. 2003. Registration of ‘Dellmati’ Rice. Crop Science 43(1):435-436. Ellis, J.M., J.L. Griffin, S.D. Linscombe, and E.P. Webster. 2003. Rice (Oryza sativa) and corn (Zea mays) response to simulated drift of glyphosate and glufosinate. Weed Technol. 17:452-460. Lanclos, D.Y., E.P. Webster, W. Zhang, and S.D. Linscombe. 2003. Response of glufosinate-resistant rice (Oryza sativa) to glufosinate application timings. Weed Technol. 17:157-160. Slaton, N.A., S.D. Linscombe, R.J. Norman, and E.E. Gbur, Jr. 2003. Seeding date effect on rice grain yields in Arkansas and Louisiana. Agronomy Journal 95:218-223. Zhang, N., S.D. Linscombe, and J.H. Oard. 2003. Out-crossing frequency and genetic analysis of hybrids between transgenic glufosinate herbicide-resistant rice and the weed, red rice. Euphytica 130:35-45. Linscombe, S.D., D.L. Jordan, A.B. Burns, and R.P. Viator. 2004. Rice response to planting date differs at two locations in Louisiana. Online. Crop Management doi:10.1094/CM-2004-0130-01-RS. Sha, X., S.D. Linscombe, K. Bearb, Q.R. Chu, D.E. Groth, L.M. White, R.T. Dunand, and P.K. Bollich. 2004. Registration of ‘Pirogue’ Rice. Crop Sci. 44:2269-2270. Chu, Q.R. and S.D. Linscombe. 2005. Use of bridge parents with high anther culturability in doubled haploid breeding of southern U.S. long-grain rice (Oryza sativa L.). Sabrao J. 37(1)11-18. Chu, Q.R., Linscombe, S.D., Rush, M.C., Groth, D.E., Oard, J., Sha, X., and Utomo, H.S. 2006. Registration of a doubled haploid mapping population of rice. Crop Science 46:1417. Linscombe, S.D., X. Sha, J.A. Bond, K. Bearb, M.C. Rush, Q.R. Chu, D.E. Groth, L.M. White, and R.T. Dunand. 2006. Registration of ‘Trenasse’ rice. Crop Science 46:2318. Linscombe, S.D., Sha, X.Y., Bearb, K., Chu, Q., Groth, D.E., White, L.M., Dunand, R.T., and Bollich, P.K. 2006. Registration of ‘Cheniere’ rice. Crop Science 46:1814-1815. Sha, X., Linscombe, S.D., Chu, Q., Groth, D.E., White, L.M., Bond, J., Dunand, R.T., and Utomo, H. 2006. Registration of ‘Jupiter’ rice. Crop Science 46:1811-1812. Shao, Q., M.C. Rush, S.D. Linscombe, D.E. Groth, and M.S. Kang. 2006. Allelic analysis for bar gene from different rice transformation events. Journal of Crop Improvement 15(1):33-49. Shao, Q.M., M.C. Rush, M.S. Wu, D.E. Groth, M.S. Kang, and S.D. Linscombe. 2006. Transgene transfer to United States commercial rice cultivars via conventional breeding techniques. Journal of Crop Improvement 16:49-65. OTHER PUBLICATIONS: Jiang, J., S. Oard, S.D. Linscombe, G. Pellear, A. Khan, D. Shih, D.E. Groth, and J.H. Oard. 2002. Development and preliminary field evaluation of transgenic U.S. rice tolerant to sheath blight disease. Proc. Rice Tech. Wrkg. Grp., 29:45. Sha, X.Y. and S.D. Linscombe. 2002. Comparison of two seeding rate scales in rice yield trials. Proc. Rice Tech. Wrkg. Grp., 29:52. Sha, X.Y. and S.D. Linscombe. 2002. Performance of several Clearfield adavanced breeding lines at six locations across Louisiana. Proc. Rice Tech. Wrkg. Grp., 29:52. Shao, Q.M., S.D. Linscombe, and M.C. Rush. 2002. Allelic anlaysis of transgenic rice plants from ‘Taipei 309’ and ‘Nipponbare.’ Proc. Rice Tech. Wrkg. Grp., 29:61. Groth, D.E. and S.D. Linscombe. 2002. LMT1: A new source of resistance to sheath blight and bacterial panicle blight. Proc. Rice Tech. Wrkg. Grp., 29:87. Rush, M.C., S.D. Linscombe, X.Y. Sha, and Q.M. Shao. 2002. Current status of our research on developing sheath blight resistance in rice. Proc. Rice Tech. Wrkg. Grp., 29:89. Shao, Q.M., D.E. Groth, S.D. Linscombe, and M.C. Rush. 2002. Potential for rice sheath blight control using Liberty herbicide. Proc. Rice Tech. Wrkg. Grp., 29:92. Dunand, R.T. and S.D. Linscombe. 2002. Weed resistance management with maleic hydrazide in glufosinate-tolerant rice. Proc. Rice Tech. Wrkg. Grp., 29:153. Zhang, N., S. Linscombe, and J.H. Oard. 2002. Frequency and genetic analysis of natural outcrossing in the field between Liberty-resistant rice and the weed, red rice. Proc. Rice Tech. Wrkg. Grp., 29:160. Guice, J.B., P.H. Bruno, A.M. Floyed, J.S. Harden, S.D. Linscombe, E.P. Webster, and B.J. Williams. 2002. Weed control and crop tolerance in a water-seeded Clearfield rice production system. Proc. Rice Tech. Wrkg. Grp., 29:169. Chu, Q.R. and S.D. Linscombe. 2003. Slicing years off rice varietal improvement. La. Agri. 46(4):16-18. Rush, M.C., Q.M. Shao, S. Zhang, A.K.M. Shahjahan, K. O’Reilly, D. Shih, D. Groth, and S.D. Linscombe. 2003. Biotechnology and control of rice diseases. La. Agri. 46(4):20-22. Oard, J.H., S.D. Linscombe, and D. Groth. 2003. Biotechnology for herbicide, disease resistance in rice. La. Agri. 46(4):27-28. Linscombe, S.D., X.Y. Sha, K.F. Bearb, C.A. Conner, A.M. Howard, B.W. Theunissen, B.J. Henry, and H.L. Hoffpauir. 2002. Rice Breeding. Annual Research Report, Rice Res. Stn., La. Agri. Exp. Stn., LSU AgCenter, 94:3-77. Chu, Q.R. and S.D. Linscombe. 2003. Slicing years off rice varietal improvement. La. Agri. 46(4):16-18. Oard, J.H., S.D. Linscombe, and D. Groth. 2003. Biotechnology for herbicide, disease resistance in rice. La. Agri. 46(4):27-28. Rush, M.C., Q.M. Shao, S. Zhang, A.K.M. Shahjahan, K. O'Reilly, D. Shih, D. Groth, and S.D. Linscombe. 2003. Biotechnology and control of rice diseases. La. Agri. 46(4):20-22. Linscombe, S.D. 2004. The development and introgression of Clearfield technology into commercial rice production. Proc. of the Conf. Challenges and Opportunities for Sustainable Rice-Based Production Systems. Edited by A. Ferrero and F. Vidotto. Torino, Italy. Sept. 13-15. pp. 349-352. Sha, X.Y. and Linscombe, S.D. 2004. Development of special purpose aromatic rice varieties in the United States. 4th International Crop Science Congress. Sept. 26-Oct. 1, 2004. Brisbane, Australia. Chu, Q.R., Fontenot, T., Bearb, K., Theunissen, B., Bollich, P.A., Jin, X., Conner, C., Howard, A., and Linscombe, S.D. 2004. Incorporation of doubled haploid technology with conventional breeding in Louisiana. Rice Technical Working Group. February 29-March 3, 2004. New Orleans, LA. 30:55. Chu, Q.R., Fontenot, T., Conner, C., Howard, A., Theunissen, B., Bearb, K., and Linscombe, S.D. 2004. Performance of agronomic traits of 10 doubled haploid lines in nine locations in Louisiana. Rice Technical Working Group. February 29-March 3, 2004. New Orleans, LA. 30:82. Chu, Q.R., Groth, D.E., Rush, M.C., Linscombe, S.D., and Shao, Q.M. 2004. Anther culture to develop rice germplasm with disease resistance. Rice Technical Working Group. February 29-March 3, 2004. New Orleans, LA. 30:80. Chu, Q.R., Kibanda, N.J.M., and Linscombe, S.D. 2004. Comparison of yield components of 18 long-grain doubled haploid lines with five commercial varieties. Rice Technical Working Group. February 29-March 3, 2004. New Orleans, LA. 30:78. Jiang, J., Gibbons, J.W., Moldenhauer, K.A.K., Chu, Q.R., and Linscombe, S.D. 2004. Anther culturability of selected U.S. rice cultivars, experimental lines, and exotic rice germplasm. Rice Technical Working Group. February 29-March 3, 2004. New Orleans, LA. 30:73. Kibanda, N.J.M., Chu, Q.R., and Linscombe, S.D. 2004. Correlation study on yield components of doubled haploid lines in the advanced yield trial. Rice Technical Working Group. February 29-March 3, 2004. New Orleans, LA. 30:77-78. McClain, W.R. and Linscombe, S.D. 2004. Development of rice variety specifically for use in crawfish-only systems. Rice Technical Working Group. February 29-March 3, 2004. New Orleans, LA. 30:53. Sha, X.Y. and Linscombe, S.D. 2004. Selection of rice genotypes for aroma and grain appearance in the early and mid generations. Rice Technical Working Group. February 29-March 3, 2004. New Orleans, LA. 30:56. Sha, X.Y. and Linscombe, S.D. 2004. Performance of promising experimental Clearfield rice lines under Louisiana conditions. Rice Technical Working Group. February 29-March 3, 2004. New Orleans, LA. 30:83. Sha, X.Y. and Linscombe, S.D. 2004. Development of specialty purpose aromatic rice varieties for Louisiana. In: Proceedings of Annual Louisiana Agronomist Association Meeting. March 15-16. Baton Rouge, LA. p. 31. Shao, Q.M., Rush, M.C., Wu, M.S., Zhang, S.L., Groth, D.E., and Linscombe, S.D. 2004. Linkage breaking between Liberty resistance (bar) and hygromycin resistance (hpt) genes by selection of transgenic Taipei 309 plants. Rice Technical Working Group. February 29-March 3, 2004. New Orleans, LA. 30:65. Shao, Q.M., Rush, M.C., Xiao, Y., Zhang, S.L., Groth, D.E., and Linscombe, S.D. 2004. Rice sheath blight control using Liberty herbicide as a fungicide on transgenic Cypress rice. Rice Technical Working Group. February 29-March 3, 2004. New Orleans, LA. 30:106. Utomo, H.S., Linscombe, S.D., Groth, D.E., and Chu, Q.R. 2004. Gene pyramiding and marker evaluation of blast resistant lines. Rice Technical Working Group. February 29-March 3, 2004. New Orleans, LA. 30:105. Utomo, H.S., Linscombe, S.D., and White, L.M. 2004. Off-type evaluation using DNA fingerprinting techniques. Rice Technical Working Group. February 29-March 3, 2004. New Orleans, LA. 30:72. Zhang, W., Linscombe, S.D., Webster, E.P., and Oard, J.H. 2004. Risk assessment and genetic analysis of natural outcrossing in Louisiana commercial fields between Clearfield rice and the weed, red rice. Rice Technical Working Group. February 29-March 3, 2004. New Orleans, LA. 30:195. Sha, X.Y., Theunissen, S.J., and Linscombe, S.D. 2006. Effects of planting date on grain dimensions and grain weight of selected rice varieties. Proc. Rice Technical Working Group, 31:146. Sha, X.Y., Linscombe, S.D., and Theunissen, S.J. 2006. Breeding aromatic long-grain rice varieties for the southern United States. Proc. Rice Technical Working Group, 31:61. Sha, X.Y. and Linscombe, S.D. 2006. Development of medium-grain rice varieties with high yield potential and superior quality for the southern United States. Proc. Rice Technical Working Group, 31:61. Sha, X.Y., Linscombe, S.D., Conner, C.A., and Theunissen, S.J. 2006. Preliminary studies on effects of planting dates on seedling stand of water-seeded rice. Proc. Rice Technical Working Group, 31:163. Blanche, S.B., Linscombe, S.D., and Sha, X.Y. 2006. Medium-grain rice breeding in Louisiana. Proc. Rice Technical Working Group, 31:41. Utomo, H.S., Linscombe, S.D., and Sha, X.Y. 2006. Benefits and practical challenges in applying DNA markers into an actual rice breeding program. Proc. Rice Technical Working Group, 31:50-51. Sha, X.Y., Chu, Q.R., Linscombe, S.D, Theunissen, S.J., and Jin, X. 2005. Development of elite southern U.S. long-grain rice varieties through both cross-breeding and the doubled haploid technology. 97th Annual Research Report. Rice Research Station, Louisiana Agricultural Experiment Station, LSU AgCenter, 97:88-96.(Published in 2006). Sha, X.Y., Linscombe, S.D., Theunissen, S.J., Blanche, S.B., and Bearb, K.F. 2005. Medium-grain and specialty purpose rice breeding. 97th Annual Research Report. Rice Research Station, Louisiana Agricultural Experiment Station, LSU AgCenter, 97:78-87. (Published in 2006). Linscombe, S.D., Sha, X.Y., Bearb, K.F., Conner, C.A., Theunissen, B.W., Henry, B.J., Hoffpauir, H.L., and Jin, X. 2005. Genetic improvement of rice for Louisiana production. 97th Annual Research Report. Rice Research Station, Louisiana Agricultural Experiment Station, LSU AgCenter, 97:3-38. (Published in 2006). Linscombe, S.D., Sha, X.Y., Bearb, K.F., Conner, C.A., Theunissen, B.W., Henry, B.J., Hoffpauir, H.L., and Jin, X. 2005. Clearfield experimental lines. 97th Annual Research Report. Rice Research Station, Louisiana Agricultural Experiment Station, LSU AgCenter, 97:39-52. (Published in 2006). Linscombe, S.D., Sha, X.Y., Bearb, K.F., Conner, C.A., Theunissen, B.W., Henry, B.J., Hoffpauir, H.L., and Jin, X. 2005. Liberty-linked experimental lines. 97th Annual Research Report. Rice Research Station, Louisiana Agricultural Experiment Station, LSU AgCenter, 97:53-73. (Published in 2006). Linscombe, S.D., Sha, X.Y., Bearb, K.F., Conner, C.A., Theunissen, B.W., Henry, B.J., Hoffpauir, H.L., and Jin, X. 2005. Date of planting studies. 97th Annual Research Report. Rice Research Station, Louisiana Agricultural Experiment Station, LSU AgCenter, 97:74-77. (Published in 2006). Sha, X.Y., Chu, Q.R., Linscombe, S.D, Theunissen, S.J., and Jin, X. 2006. Development of elite southern U.S. long-grain rice varieties through both cross-breeding and the doubled haploid technology. 97th Annual Research Report. Rice Research Station, Louisiana Agricultural Experiment Station, LSU AgCenter, 97:88-96. Shao, Q., Rush, M.C., Linscombe, S.D., Groth, D.E., and Kang, M.S. 2006. Allelic analysis of bar gene from different rice transformation events. Journal of Crop Improvement 15(1):33-49. Shao, Q.M., Rush, M.C., Wu, M.S., Groth, D.E., Kang, M.S., and Linscombe, S.D. 2006. Transgene transfer to United States commercial rice cultivars via conventional breeding techniques. Journal of Crop Improvement 16(1):49-65.