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   Authors
 Home>Communications>Authors>
Name: Donald Groth
Title: Professor, Research Coordinator
E-mail:
Department: Rice Research Station
Organization: LSU AgCenter
Address 1: 1373 Caffey Road
Address 2: Rayne, LA 70578
Phone Number: (337) 788-7531
Mobile: (337) 296-6853
Fax Number: (337) 788-7553

Education/Training
1983 -  Ph.D., Plant Pathology, Iowa State University
Dissertation: "Bacterial pustule of soybeans: Pathogen growth kinetics and epidemiology."

1980 - M.S., Plant Pathology, Iowa State University
Thesis: "Interactions of mycorrhizae in maize with nutrition, rootdisease and metalaxyl."

1978 - B.S.. Botany, Eastern Illinois University

Areas of Specialization/Research

A. Development of disease resistance screening techniques in rice.

B. Evaluation and identification of disease resistance in rice.

C. Nature and inheritance of disease resistance in rice.

D. Identification and description of the diseases affecting rice in Louisiana and isolation and identification of the agents causing these diseases.

E. Development of yield loss estimates in rice.

F. Development of scouting and disease prediction methods for rice.

G. Development of cultural disease management systems to be incorporated into general disease management strategies.

H. Evaluation of chemical control agents for the control of rice diseases.

 I. Studies of rice diseases epidemiology and the effects of weather on disease development.

J. Disease control on alternate crops in southwest Louisiana.

Professional Experience

2008-Present F. Avalon Dagget Professorship in Rice Research

2003-Present Research Coordinator, Rice Research Station

1994-Present Professor, Plant Pathology, Rice Research Station

1989-1994 Associate Professor, Plant Pathology, Rice Research Station

1984-1989 Assistant Professor, Plant Pathology, Rice Research Station

1978 - 1983 Graduate research and teaching assistant, Department of Plant Pathology, Seed, and Weed Sciences, Iowa State University

Awards/Grants

Received 2012 Rice Industry Award sponsored by USA Rice Federation, San Diego, California, December 2012.

Received the Louisiana Agricultural Experiment Station, LSU Agricultural Center’s Tipton Team Research Award for the Wheat Varietal Development Team, Louisiana Agricultural Experiment Station, LSU AgCenter Baton Rouge, December 2011.

Awarded Doyle Chambers Research Award in recognition of excellence in research by the Louisiana Agricultural Experiment Station, LSU AgCenter, Baton Rouge, December 2010.

Invited speaker, Special Seminar on Bacterial Panicle Blight caused by Burkholderia sp. XI International Rice Conference for Latin America and the Caribbean, September 21-24, 2010, Cali Columbia.

Member, Louisiana Rice Verification Team recipient of the 2009 LSU AgCenter Extension Team Award. Baton Rouge, LA, December 2009.

Member, The Louisiana Rice Verification Program, recipient of the 2009 State Winner: Search for Excellence in Crop Production Award, Washington, August 2009.

Awarded F. Avalon Dagget Professorship in Rice Research, Crowley, LA, July 2008.

Distinguished Rice Research and Extension Award, Rice Technical Working Group. Rice Disease Control Accomplishments, San Diego, CA, February 2008.

Publications/Presentations/Patents

2013

Groth, D.E., Hollier, C.A. Olaya, G., Tally, A., Lanclos, D. and Zaunbrecher, J. 2013. Management of QoI-Resistant Rhizoctonia solani, the Causal Agent of Rice Sheath Blight, in Southern Louisiana. In: Fungicide Resistance in North America, Second Edition, APS Press, Minneapolis, MN: In Press.

Kumar, K.V.K., Yellareddygari, S.K. Reddy, M.S., Kloepper J.W., Lawrence, K.S. Miller, M.E. Sudini, H. Reddy E.C.S., Zhou, X.G. and Groth, D.E. 2013. Ultrastructural studies on the interaction between Bacillus subtilis MBI 600 (Integral®) and the rice sheath blight pathogen, Rhizoctonia solani. African J. Microbiology Res. 7(19):2087-2086.

Munford, S., Groth, D., and Allen, T. 2013. Rice. pp. 78-80. In: Fungicides for Field Crops. Ed: Muller, D., Wise, K. Dufault, N., Bradley, C., and Chilvers, M. APS Press. 112 pp.

Sha, X.Y., Linscombe, S.D. Groth, D.E., Harrell, D.L., White, L.M., Theunissen, S.J., and Henry, B.J. 2013. Registration of ‘Della-2’ Aromatic Long-Grain Rice. Journal of Plant Registrations. 7:269-272.

2012

Blanche, S.B., Sha, X.Y., Harrell, D.L., Groth, D.E., Bearb, K.F., White, L.M., Oard, J.H., and Linscombe, S.D. 2012. Registration of ‘Caffey.’ Journal of Plant Registrations. 6:284-288.

Karki, H.S., Shrestha, B., Groth, D.E. Rush, M.C. Barphagha, I., Melanson, R., and Ham, J. 2012. Diversities in virulence, antifungal activity, pigmentation and DNA fingerprint among strains of Burkholderia glumae. PLoSONE7(9):e45376.doi:10.1371/journal.pone.0045376

Kumar, K.V.K., Yellareddygari, K.R., Reddy, M.S., Kloepper, J.W., Lawrence, K.S., Zhou, X.G., Sudini, H., Groth, D.E., Krishnam, R., and Miller, M.E. 2012. Efficacy of Bacillus subtillis MBI 600 against sheath blight caused by Rhizoctonia solani and on growth and yield of rice. Rice Science 19:55-63.

Sha, X.Y., Linscombe, S.D., Groth D.E., Oard, J.H., Harrell, D.L., White, L.M., Grimm, C.C., Theunissen, S.J., and Henry, B.J. 2012. Registration of ‘Jazzman-2’ aromatic long-grain rice. Journal of Plant Registrations. 10.3198/jpr2012.02.0102crc.

Willyerd, K.T., Li, C., Madden, L.V., Bradley, C.A., Bergstrom, G.C., Sweets, L.E., McMullen, M., Ransom, J.K., Grybauskas, A., Osborne, L., Wegulo, S.N., Hershman, D.E., Wise, K., Bockus, W.W., Groth, D., Dill-Macky, R., Milus, E., Esker, P.D., Waxman, K.D., Adee, E.A., Ebelhar, S.E., Young, B.G., and Paul, P.A. 2012. Efficacy and stability of integrating fungicide and cultivar resistance to manage Fusarium head blight and Deoxynivalenol in wheat. Plant Disease 96:957-967.

2011

Blanche, S.B., Sha, X.Y., Harrell, D.L., Groth, D.E., Bearb, K.F., White, L.M., Linscombe, S.D., and Henry, B.J. 2011. Registration of ‘CL151’ Rice. Journal of Plant Registrations. 5:177-180.

Kumar, K.V.K., Reddy, M.S., Kloepper, J.W., Lawrence, K.S., Yellareddygari, S.K., Zhou, X.G., Sudini, H., Surendranatha, E.C.R., Groth, D.E. and Miller, M.E. 2011. Screening and selection of elite plat growth promoting Rhizobacteria (PGPR) for suppression of Rhizoctonia solani and enhancement of rice seedling vigor. J. of Pure and Applied Microbiology 5(2):641-651.

Kumar, K.V.K., Reddy, M.S., Kloepper, J.W., Lawrence, K.R., Zhou, Groth, D.E., et al. 2011. Commercial Potential of Microbial Inoculants for Sheath Blight Management and yield Enhancement of Rice. Chapter 9 pp. 237-264 In: Bacteria in Agrobiology: Crop Ecosystems. Springer-Verlag, Berlin. 446 pp.

Kumar, K.V.K., Yellareddygari, S.K., Reddy, M.S., Kloepper, J.W., Lawrence, K.S., Zhou, X.G., Sudini, H., Groth, D.E., Rajhu, R.S. and Miller, M.E. 2011. Efficacy of Bacillus subtillis MBI 600 against sheath blight caused by Rhizoctonia solani on growth and yield of rice. Rice Science. 19:55-63.

Nelson, J.C., Oard, J.H., Groth, D.E., Utomo, H.S., Jia, Y., Liu, G., Moldenhauer, K.A.K., Correa-Victoria, F.J., Fjellstrom, R.G., Scheffler, B., and Prado, G.A. 2011. Sheath-blight resistance QTLS in japonica rice germplasm. Euphytica. 184:23-34.

Rush, M.C., Groth, D.E., and Sha, X. 2011. Registration of 25 sheath blight disease resistant germplasm lines of rice with good agronomic traits. Journal of Plant Registrations 5:400-402.

Silva, J. Groth, D.E., Moldenhauer, K.A., and Oard, J.H. 2011. GGE Biplot Exploration of Resistance to sheath blight disease in doubled-haploid lines of rice. Crop Sc. 51:1028-1035.

Sha, X.Y., Linscombe, S.D., Jodari, F., Chu, Q.R., Groth, D.E., Blanche, S.B., Harrell, D.L., White, L.M., Oard, J.H., Chen, M.H., Theunissen, S.J., and Henry, B.J. 2011. Registration of ‘Jazzman’ aromatic long-grain rice. Journal of Plant Registrations 5:304-308.

2010

Pinson, S.R.M., Shahjahan A.K.M., Rush, M.C., and Groth, D.E. 2010. Bacterial panicle blight resistance QTLs in rice and their association with other disease resistance loci and heading. Crop Science, Vol. 50, 1289-1297.

Sha, X.Y., Linscombe, S.D., Blanche, S.B., Groth, D.E. Harrell, D.L., White, L.M., and Theunissen, S.J. 2010. Registration of ‘Neptune’ southern medium-grain rice. Journal of Plant Registrations 4:179-182.

2009

Blanche, S.B., Linscombe, S.D., Sha, X., Bearb, K.F., Groth, D.E., White, L.M., and Harrell, D. 2009. Registration of ‘Catahoula’ rice. Journal of Plant Registrations 3:146-149.

Blanche, S.B., Sha, X., Linscombe, S.D., Groth, D.E. and Dilly, R.R. 2009. Visual estimation of rice (Oryza sativa L.) grain yield in multiple environments in Louisiana. Journal of New Seeds 10:74-87.

Kumar, V.K, Raju, K., Reddy, M.S., Kloepper, J., Lawrence, K.S., Groth, D.E., Miller, M., Sudini, H., and Du, B. 2009. Evaluation of commercially available PGPR for control of rice sheath blight caused by Rhizoctonia solani. Journal of Pure and Applied Microbiology 3(2):485-488.

Kumar, V.K., Reddy, M.S., Kloepper, J., Lawrence, K.S., Groth, D.E., and Miller, M. 2009. Sheath blight disease of rice (Oryza sativa L). An Overview. Biosciences, Biotechnology Research Asia 6(2):465-480.

Nandakumar, R., Shahjahan, A.K.M., Dickstein, E. R., Groth, D. E., Clark, C.A., Cartwright, R.D., and Rush, M.C. 2009. Burkholderia glumae and B. gladioli cause bacterial panicle blight in rice in the Southern United States. Plant Dis. 93:896-905.

2008

Groth, D.E. 2008. Effects of cultivar resistance and single fungicide application on rice sheath blight, yield, and quality. Crop Prot. 27(7):1125-1130.

Groth, D.E. and J.S. Bond. 2008. Effects of cultivars and fungicides on rice sheath blight, yield, and quality. Plant Disease 91:1647-1650.

Nandakumar, R., Bollich, P.A., Shahjahan, A.K.M., Groth, D.E., and Rush, M.C. 2008. Evidence for the soilborne nature of the rice sheath rot and panicle blight pathogen, Burkholderia gladioli. Canadian J. of Pl. Path. 30 :(1) 148-154.

Pinson, S.R.M., Oard, J.H., Groth, D., Miller, R., Marchetti, M.A., Shank, A.R., Jia, M.H., Jia, Y., Fjellstrom, R.G., and Li, Z. 2008. Registration of TIL:455, TIL:514, and TIL:642, three rice germplasm lines containing introgressed sheath blight resistance alleles. J. of Plant Registrations 2: 251-254.




 

Technical/research reports:

2013

Groth, D. E. 2013. Rice Disease Newsletter Number 17. Rice Dis. Newsletter 1:17.

Groth, D. E. 2013. Rice Disease Newsletter Number 16. Rice Dis. Newsletter 1:16.

Groth, D. E. 2013. Rice Disease Newsletter Number 15. Rice Dis. Newsletter 1:15.

Groth, D. E. 2013. Rice Disease Newsletter Number 14. Rice Dis. Newsletter 1:14.

Groth, D. E. 2013. Rice Disease Newsletter Number 13. Rice Dis. Newsletter 1:13.

Groth, D. E. 2013. Rice Disease Newsletter Number 12. Rice Dis, Newsletter 1:12.

Groth, D. E. 2013. Rice Disease Newsletter Number 11. Rice Dis. Newsletter 1:11.

Groth, D. E. 2013. Rice Disease Newsletter Number 10b. Rice Dis. Newsletter 1:10b.

Groth, D. E. 2013. Rice Disease Newsletter Number 10a. Rice Dis. Newsletter 1:10a.

Groth, D. E. 2013. Rice Disease Newsletter Number 9. Rice Dis. Newsletter. 1:9.

Groth, D. E. 2013. Rice Disease Newsletter Number 8. Rice Dis. Newsletter 1:8.

Groth, D.E. 2013. Rice Disease Newsletter Number 7. Rice Dis. Newsletter 1:7.

Groth, D.E. 2013. Rice Disease Newsletter Number 6. Rice Dis. Newsletter 1:6.

Groth, D.E. 2013. Rice Disease Newsletter Number 5. Rice Dis. Newsletter 1:5.

Groth, D.E. 2013 Rice Disease Newsletter Number 4. Rice Dis. Newsletter 1:4.

Groth, D.E. 2013. Rice Disease Newsletter Number 3. Rice Dis. Newsletter 1:3.

Groth, D.E. 2013. Rice Disease Newsletter Number 2. Rice Dis. Newsletter 1:2.

Groth, D.E. 2013. Rice Disease Newsletter Number 1. Rice Dis. Newsletter 1:1.

Groth, D.E. 2013. Plan your 2013 fungicide program. Rice Research Newsletter 10(2):1.

Groth, D. 2013. Control of sheath blight with the loss of strobilurin fungicides due to resistant Rhizoctonia. Conservation Systems Cotton and Rice Conf., Baton Rouge, LA 16:11.

Groth, D.E. et al. 2013. Rice disease control studies, 2012. Ann. Res. Rpt., Rice Res. Stn., La. Agri. Exp. Stn., LSU AgCenter, 104:309-354

Groth, D. E., Hollier, C. A., Padgett, G. B. "Louisiana Plant Pathology Series: Bacterial Streak and Black Chaff of Wheat (online only)". 2013

Groth, D. E., Hollier, C. A., Padgett, G B. "Louisiana Plant Pathology Series: Fusarium Head Blight (Scab) of Wheat (online only)". 2013

Groth, D. E., Hollier, C. A., Padgett, G. B. "Louisiana Plant Pathology Series: Leaf Rust of Wheat (online only)". 2013

Groth, D. E., Hollier, C. A., Padgett, G. B. "Louisiana Plant Pathology Series: Septoria Lea Blotch of Wheat (online only)". 2013

Hollier, C. A., Groth, D. E., Padgett, G. B. "Louisiana Plant Pathology Series: Stem Rust of Wheat (online only)". 2013

Hollier, C. A., Groth, D. E., Padgett, G. B. "Louisiana Plant Pathology Series: Loose Smut of Wheat (online only)". 2013

Hollier, Cl. A., Groth, D. E., Padgett, G. B. "Louisiana Plant Pathology Series: Powdery Mildew of Wheat (online only)". 2013

Hollier, C. A., Padgett, G. B., Groth, D. E. "Louisiana Plant Pathology Series: Downy Mildew (Crazy Top) of Wheat (online only)". 2013

Padgett, G. B., Hollier, C. A., Groth, D. E. "Louisiana Plant Pathology Series: Stripe Rust of Wheat (online only)". 2013

2012

Groth, D.E. 2012. Pest of the quarter - Stem Rot. Rice Research Station Newsletter 9(1):6.

Groth, D.E. 2012. Useful rice web pages. Rice Research Station Newsletter 9(2):2.

Groth, D.E. 2012. Update on control of resistant Rhizoctonia solani with Sercadis. Rice Research Station Newsletter 9(3):1.

Groth, D.E. et al. 2012. Rice disease control studies, 2011. Ann. Res. Rpt., Rice Res. Stn., La. Agri. Exp. Stn., LSU AgCenter, 103:278-324.

Groth, D.E. and Hollier, C.A. 2012. Pest of the quarter - Blast. Rice Research Station Newsletter 9(3):2.

Groth, D.E., Sha, X., and Linscombe, S.D. 2012. Progress in screening for sheath blight, blast, and bacterial panicle blight. Proc. of the Rice Tech. Wrkg. Grp., Hot Springs, AR, Feb. 27-Mar. 1. 34:78.

Harrison, S.A., Arceneaux, K.J., Bissett, L.J., Blanche, S., Brown, T.L., Close, G., Colyer, P.D., Deloach, M.E., Fluitt, J., Groth, D.E., Harrell, D.L., Leonards, J.P., Mascagni, Jr., H.J., McCarthy, K., Padgett, G.B., Purvis, M., Regan, R.P., Viator, S., Williams, G. 2012 Small Grain Performance

Groth, D.E., Dischler, C., and Monte, L. 2012. Reevaluating rice fungicide rates, timings, and tank mixes. Proc. of the Rice Tech. Wrkg. Grp., Hot Springs, AR, Feb. 27-Mar. 1. 34:37.

Hummel, N.A., Meszaros, A., Cartwright, R.D. Fisher, S.M., Groth, D.E., Harrell, D.L., Hollier, C.A., Piazza, F.P., Saichuk, J.K., Schultz, B.R., Way, M.O., and Webster, E.P. 2012. Development of the RiceScout mobile application. Proc. of the Rice Tech. Wrkg. Grp., Hot Springs, AR, Feb. 27-Mar. 1. 34:86-87.

Karki, H.S., Shrestha, B.K., Groth, D.E., and Ham, J.H. 2012. Genetic and phenotypic variations among Burkholderia glumae strains, the causal agent of bacterial panicle blight of rice. Phytopathology 102:S2.6.

Kaur, K., Hollier, C.A., and Groth, D.E. 2012. Influence of planting date, fungicide timing, and varietal resistance on development of narrow brown leaf spot of rice. Proc. of the Rice Tech. Wrkg. Grp., Hot Springs, AR, Feb. 27-Mar. 1. 34:82.

Meszaros, A., Groth, D.E., Hollier, C.A., Hummel, N.A., Saichuk, J.K., and West, L. 2012. New rice insects and diseases pages at www.lsuagcenter.com. Proc. of the Rice Tech. Wrkg. Grp., Hot Springs, AR, Feb. 27-Mar. 1. 34:93-94.

Sha, X.Y., Li, W.K., Linscombe, S.D., Oard, J.H., Groth, D.E., Theunissen, S.J., and Henry, B.J. 2012. Development of hybrid rice in Louisiana – A progress report. Proc. of the Rice Tech. Wrkg. Grp., Hot Springs, AR, Feb. 27-Mar. 1. 34:50.

Shrestha, B.K., Karki, H.S., Groth, D.E., Sha, X., Subudhi, P.K., Utomo, H., and Ham, J.H. 2012. Development of quantitative trait loci (QTL) mapping and breeding programs to improve rice resistance to bacterial panicle blight and sheath blight. Proc. of the Rice Tech. Wrkg. Grp., Hot Springs, AR, Feb. 27-Mar. 1. 34:66.

2011

Groth, D.E. 2011. Fungicide Seed Treatments for Rice. Rice Research Station Newsletter. 8(1):2.

Groth, D.E. 2011. Why are Cercospora, Bacterial Panicle Blight and Blast are More Severe Some Years. Rice Research Station Newsletter 8(3):6.

Groth, D.E. and Ham, J. 2011. Pest of the Quarter Bacterial Panicle Blight. Rice Research Station Newsletter. 8(2):4.

Groth, D.E. and Hollier, C.A. 2011. Fungicide resistance in Rhizoctonia solani, the sheath blight pathogen. Rice Research Station Newsletter. 8(4):3.

Groth, D.E. et al. 2011. Rice disease control studies, 2010. Ann. Res. Rpt., Rice Res. Stn., La. Agri. Exp. Stn., LSU Agricultural Center, 102:226-259.

Ham, J.H. and D.E. Groth. 2011. Bacterial Panicle Blight An Emerging Rice Disease. Louisiana Agriculture 54(3):16-17.

Shrestha, B. K., H. S. Karki, D. E. Groth, M. C. Rush, and J. H. Ham. 2011. Suppression of bacterial panicle blight of rice by pretreatment with various chemical compounds. Phytopathology 101:S166.

Ham, J., Karki, H. S., Shrestha, B., Barphagha, I. K., Melanson, R. A., Chen, R., Groth, D. E., Sha, X. Utomo, H. Subudhi, P. and Rush, M. C. 2011. Molecular, genetic, and genomic studies on bacterial panicle blight of rice and its causative agent Burkholderia glumae. Phytopathology 101:S266.

2010

Groth, D.E. et al. 2010. Rice disease control studies, 2009. Ann. Res. Rpt., Rice Res. Stn., La. Agri. Exp. Stn., LSU Agricultural Center, 101:220-245.

Groth, D.E., and Hollier, C.A. 2010. Blast of rice. LSU AgCenter Pub.3153. 2 pp.

Groth, D.E., and Hollier, C.A. 2010. Blast of rice. LSU AgCenter Pub.3153. 2 pp.

Groth, D.E., and Hollier, C.A. 2010. Stackburn of rice. LSU AgCenter Pub.3120. 1 pp.

Groth, D.E., and Hollier, C.A. 2010. Stem rot of rice. LSU AgCenter Pub.3172. 2 pp.

Groth, D.E., and Hollier, C.A. 2010. White tip of rice. LSU AgCenter Pub.3174. 1 pp.

Groth, D.E., and Hollier, C.A. 2010. Bacterial Panicle Blight of rice. LSU AgCenter Pub.3106. 2 pp.

Groth, D.E., and Hollier, C.A. 2010. Root rot of rice. LSU AgCenter Pub.3116. 1 pp.

Groth, D.E., and Hollier, C.A. 2010. Seedling blight of rice. LSU AgCenter Pub.3117. 2 pp.

Groth, D.E., and Hollier, C.A. 2010. Black kernel of rice. LSU AgCenter Pub.3107. 1 pp.

Groth, D.E., and Hollier, C.A. 2010. Brown spot of rice. LSU AgCenter Pub.3108. 2 pp.

Groth, D.E., and Hollier, C.A. 2010. Crown rot of rice. LSU AgCenter Pub.3109. 1 pp.

Groth, D.E., and Hollier, C.A. 2010. Crown sheath rot of rice. LSU AgCenter Pub.3110. 1 pp.

Groth, D.E., and Hollier, C.A. 2010. Grain spotting and pecky rice. LSU AgCenter Pub.3153. 1 pp.

Groth, D.E., and Hollier, C.A. 2010. Blast of rice. LSU AgCenter Pub.3153. 2 pp.

Groth, D.E., and Hollier, C.A. 2010. False smut of rice. LSU AgCenter Pub.3111. 2 pp.

Groth, D.E., and Hollier, C.A. 2010. Kernel smut of rice. LSU AgCenter Pub.3113. 2 pp.

Groth, D.E., and Hollier, C.A. 2010. Leaf scald of rice. LSU AgCenter Pub.3114. 1 pp.

Groth, D.E., and Hollier, C.A. 2010. Leaf smut of rice. LSU AgCenter Pub.3155. 1 pp.

Hollier, C.A. and Groth, D.E., 2010. Narrow brown leaf spot of rice. LSU AgCenter Pub.3105. 2 pp.

Groth, D.E., and Hollier, C.A. 2010. Rice sheath spot. LSU AgCenter Pub.3119. 1 pp.

Groth, D.E., and Hollier, C.A. 2010. White leaf streak of rice. LSU AgCenter Pub.3173. 1 pp.

Groth, D.E., and Hollier, C.A. 2010. Water mold and seed rot of rice. LSU AgCenter Pub.3182. 2 pp.

Groth, D. E., Dischler, C.W., and Leonards, L.E. 2010. Interactions of rice varieties and fungicides under moderate to severe sheath blight pressure. Proc. Rice Tech. Wrkg. Grp. 33:42.

Groth, D. E., Oard, J. H., Moldenhauer, K. A., Sha, X., Boza, E., Lee, F., and Blanche, S. B. 2010. A comparison of the RiceCAP SB2 mapping population for sheath blight phenotype. Proc. Rice Tech. Wrkg. Grp. 33:85-86.

Ham, J.H., Shrestha, B.K., Karki, H.S., Sha, X., Groth, D.E. Utomo, H, and Rush, M.C. . 2010. Development of a genetic mapping and breeding program to develop resistance to the bacterial Panicle blight and sheath blight diseases. Proc. Rice Tech. Wrkg. Grp. 33:60.

Harrison, Stephen A., Arceneaux, Kelly J., Bissett, Lucas J., Blanche, Sterling, Brown, Tafi L., Close, Grayson, Colyer, Patrick D., Deloach, Mildred E., Fluitt, Jacob, Groth, Donald E., Harrell, Dustin L., Leonards, James P., Mascagni, Jr., Henry J., McCarthy, Katie, Padgett, Guy B., Purvis, Myra, Regan, Ronald P., Viator, Sonny, Williams, Gregory. Performance of Small Grain Varieties in Louisiana, 2010-11, AgCenter Communications.

Hollier, C.A. and Groth, D.E. 2010. Diseases of Rice: Review of common names and causes. Proc. Rice Tech. Wrkg. Grp. 33: 84.

Li, W., Sha, X., Linscombe, S.D., Groth, D.E., Oard, J.H., Theunissen, S.J. and Henry, B.J. 2010. Current status and perspective in hybrid rice development at the LSU AgCenter Rice Research Station. Proc. Rice Tech. Wrkg. Grp. 33:54.

Utomo, H.S., S.D. Linscombe, D.E. Groth, I, Wenefrida, and S.B. Blanche. 2010. Molecular Marker: A Tool in Rice Variety Development. Louisiana Agriculture 53(1):20-22.

Utomo, H.S., Wenefrida, I., Groth, D. E., and Linscombe, S.D. 2010. Molecular characteristics of high grain protein content and potential marker development. Proc. Rice Tech. Wrkg. Grp. 33:49.

Zau, X.G., Kloepper, J.W., Reddy, M.S., Zang, S. and Groth, D.E. 2010. Utilizing antagonistic bacteria for suppression of rice bacterial panicle blight. Proc. Rice Tech. Wrkg. Grp. 33:99-100.

2009

Groth, D.E. 2009. Screening for enhanced disease resistance in future varieties. Rice Research Station News 6(3):1.

Groth, D. E. 2009. Useful web page links on rice. Rice Research Station News 6(3):5.

Groth, D.E. 2009. Screening for disease resistance. Rice Research Station News 6(1):5.

Groth, D.E. 2009. Rice Disease Image Collection. 92 High definition images of rice diseases. http://www.ipmimages.org/browse/autimages.cfm?aut=59169.

Groth, D.E. 2009. Do as I say not as I do. Louisiana Farm and Ranch. 5:(7):12-13.

Groth, D.E. et al. 2009. Rice disease control studies, 2008. Ann. Res. Rpt., Rice Res. Stn., La. Agri. Exp. Stn., LSU Agricultural Center, 100:223-257.

Groth, D.E. and Hollier, C.A. 2009. Rice disease identification PowerPoint. http://www.lsuagcenter.com/en/crops_livestock/crops/rice/Diseases/Rice+Disease+Identification+Powerpoint.htm.

Groth, D.E. and Hollier, C.A. 2009. Bacterial Panicle Blight Management PowerPoint. http://www.lsuagcenter.com/MCMS/RelatedFiles/%7B6C5F3D4F-FD55-4108-9216-5C6AE49A8318%7D/Bacterial+panicle+blight+Management.pdf.

Groth, D.E. and Hollier, C.A. 2009. Blast management PowerPoint.

http://www.lsuagcenter.com/MCMS/RelatedFiles/%7B6C5F3D4F-FD55-4108-9216-5C6AE49A8318%7D/Blast+management.pdf.

Groth, D.E. and Hollier, C.A. 2009. False and kernel smut management PowerPoint.

http://www.lsuagcenter.com/MCMS/RelatedFiles/%7B6C5F3D4F-FD55-4108-9216-5C6AE49A8318%7D/False+and+kernel+smut+disease+management.pdf.

Groth, D.E. and Hollier, C.A. 2009. Sheath blight management PowerPoint.

http://www.lsuagcenter.com/MCMS/RelatedFiles/%7B6C5F3D4F-FD55-4108-9216-5C6AE49A8318%7D/Sheath+Blight+Management.pdf.

Groth, D.E. and Hollier, C.A. 2009. Stem rot management PowerPoint.

http://www.lsuagcenter.com/MCMS/RelatedFiles/%7B6C5F3D4F-FD55-4108-9216-5C6AE49A8318%7D/Stem+rot+management.pdf.

Groth, D.E. and Hollier, C.A. 2009. Water mold and seedling disease management PowerPoint.

http://www.lsuagcenter.com/MCMS/RelatedFiles/%7B6C5F3D4F-FD55-4108-9216-5C6AE49A8318%7D/Water+mold+and+seedling+disease+management.pdf.

Groth, D.E., Hollier, C.A. and Rush, M.C. 2009. Rice Diseases of Louisiana. LSU AgCenter Pub. 3084. 6 pp.

Hollier, C.A., Groth, D.E. and Rush, M.C. 2009. Sheath blight of rice. LSU AgCenter Pub.3123. 2 pp.

Jo, Young-Ki, Way, Mo, and Groth, Donald E. 2009. Efficacy of fungicides for control of sheath blight on rice, 2008. American Phytopathological Society, Plant Disease Management Reports 3:FC087.

Jo, Y., Way, M. and Groth, D. 2009. Efficacy of biofungicides for control of sheath blight on rice, 2008. American Phytopathological Society, Plant Disease Management Reports 3:FC088.

Groth, D.E. 2008 Rice Disease Review. Rice Research Station Newsletter 5(3):2.

Vijay K., Karki, H.S., Shahjahan, A.K.M., Nandakumar, R., Rush, M.C., Shrestha, B.K., Groth, D.E., and Ham, J.H. 2009. Characterization of Naturally Avirulent strains of Burkholderia glumae, the causative agent of bacterial panicle blight of rice. Phytopathology 99(S):95.

Kumar, K., Krishnam, S., Reddy, M.S., Lawrence, K.K.. Groth, D.E., Miller, M.E., Sudini and. Du, B. 2009. Evaluation of commercially available PGPR for control of rice sheath H. blight caused by Rhizoctonia solani. Proceedings 1st Asian PGPR Congress.

Kumar, K., Reddy, M.S. Kloepper, J.W. Lawrence, K.K. Groth, D.E., Miller, M.E. and Du, B.. 2009. In-vitro efficacy of various rhizobacterial isolates against Rhizoctonia solani, the causal agent of rice sheath blight disease. Proceedings 1st Asian PGPR Congress.

Sha, X., Linscombe, S.D., Blanche, S., and Groth, D.E. 2009. "Field Performance of selected hybrid rice at five Louisiana locations". 2009 International ASA-CSSA-SSSA Annual Meetings, November 1-5, Pittsburgh, PA. Published on CD.

Way, M. and Groth, Donald E. 2009. "Historical summary of rice entomology and pathology advances in Texas, 1909-2009", Texas Rice AgriLife Newsletter 9(5):4-6.

2008

Groth, D.E. 2008. A comparison of rice fungicide testing in artificially inoculated and naturally infested sites. Proc. Rice Tech. Wrkg. Grp. 32:95-96.

Groth, D.E. 2008. An epidemic of narrow brown leaf spot on rice in 2006 in Louisiana and its control. Proc. Rice Tech. Wrkg. Grp. 32:85.

Groth, D.E. 2008. Effective and cost efficient fungicide use for multiple diseases. Rice Research Station Newsletter 5(2):4-5.

Hollier, C. A, and Groth, D. E. 2008. Pest of the Quarter – Blast. Rice Research Station Newsletter 5(2):6.

Groth, D.E. and J.P. Krausz. 2008. Disease control. Pages 28-33. In: Texas Rice Production Guidelines 2008. Texas A&M AgriLife Research and Extension Publication B-6131, 72 pp.

Groth, D.E. and Linscombe, S.D. 2008. Effects of rice cultivar resistance level and fungicide applications on rice sheath blight, yield, and quality and its implications on varietal screening. Proc. Rice Tech. Wrkg. Grp. 32:87.

Groth, D.E. et al. 2008. Rice disease control studies, 2007. Ann. Res. Rpt., Rice Res. Stn., La. Agri. Exp. Stn., LSU Agricultural Center, 99:254-286.

Krausz, J.P. and Groth, D.E. 2008. Seedling disease control. Page 14. In: Texas Rice Production Guidelines 2008. Texas A&M AgriLife Research and Extension Publication B-6131, 72 pp.

Liu, G., Jia, Y., Correa, V.F., Jia, M.H., McClung, A., Groth, D., Correll, J.C., Rutger, J. N. 2008. Identification of Sheath Blight Resistance QTLs in Rice Using Recombinant Inbred Line Population of LemontÍJasmine 85. Proc. Rice Tech. Wrkg. Grp. 32:54.

McClung, A., Groth, D.E., Oard, J.H., Utomo, H., Moldenhauer, K.A., et al. 2008. Development and characterization of RiceCAP QTL mapping population for sheath blight resistance. Proc. Rice Tech. Wrkg. Grp. 32:62.

Nandakumar, R., Groth, D.E. and Rush, M.C. 2008. Development of and field testing of toxoflavin deficient mutants of the rice bacterial panicle blight pathogen. Proc. 32nd Rice Tech. Wrkg. Grp. San Diego, CA. 32:95.

Utomo, H.S., S.D. Linscombe, D.E. Groth, and X. Sha. 2008. Field performance of marker-assisted derived elite blast lines. Proc. 32nd Rice Tech. Wrkg. Grp. San Diego, CA. 32:51-52.

Research presentations:

Attended and presented at the Rice Technical Working Group Meeting in 2008, 2010 and 2012.

Valent USA Corporation 2009 and 2013 Rice Seminar, San Antonio, TX and Nashville, TN; Presented: Rice Disease Control Presentation.

Presented rice disease control talks at the Louisiana Crop Consultants Annual meeting each year.

Provided rice disease reactions of various germplasm and breeding lines to the multi-state Uniform Rice Regional Nursery program at the annual breeder’s conference.

Grants and contracts awarded:

Louisiana Rice Research Board: Development of rice disease control practices, 2008-2013, $373,527.

USDA, REE, ARS, Wheat: Germplasm disease resistance development, 2008-2013, $66,156.

Various Agricultural Chemical Companies: Product testing, 2008-2013, $256,420.

List of engagement/outreach activities:

Presented rice disease control presentations at 6-10 grower meetings each year in Louisiana, Mississippi, Arkansas, and Texas.

Developed content oriented web pages for rice and wheat diseases on the LSU AgCenter web page with Clayton Hollier.

Presented research reports at 5-10 field days each year.

Conducted an average 5-10 visits to rice fields each year to determine disease problems and recommend control options.

Conducted 3-5 student tours of the Rice Research Station each year.

Developed web-based rice and wheat disease fact sheets.

Currently, the rice disease extension specialist.

Helped developed and edit the Rice Research Station Newsletter.

Developed and writing weekly Rice Disease Newsletter.

Member of the rice varietal development team.

Member of the wheat varietal development team.

Developed collections of rice and wheat disease photo galleries available on the LSU AgCenter web page and IPM Inage web page.

Ongoing and new partnerships:

Member, American Phytopathological Society

Member, Rice Technical Working Group

Edited several articles for various society journals

Editor of new Rice Compendium

Member, Southern Division American Phytopathological Society

Affiliate member of the Graduate School Faculty, member of 4-5 graduate student committees each year

Rice Variety Recommendation Committee meets once a year to review varietal recommendations and current production practices. One publication is updated each year to provide the most current information to farmers and agricultural specialists on varietal disease reactions, chemical recommendations, and fertilizer needs.

Member, Rice Research Station tenure review committee which reviews each Assistant and Associate professor's progress toward promotion and tenure.

Member of the Rice Research Station Safety/Accident Review Committee, which meets several times a year to review accident/incident reports.

Member, Rice App development group which developed a rice pest identification and management application for smart phones.

Rice disease photographs featured in several publications in the Southern United States.

Research Coordinator: Assist in the administration and coordination of projects and personnel at the Rice Research Station.

Help manage 4-5 graduate student field research projects at the Rice Research Station each year in the plant pathology area.

Developed a Rice Disease Advisory Committee to help direct research and extension programs.

Interact and consult with rice pathologists from Texas, Louisiana, Mississippi, Arkansas, California, and Missouri.

Coordinate rice disease control projects for Drs. Clayton Hollier, Jong Ham, and Jim Oard on station.

Assist in evaluation of wheat, soybean, and grain sorghum disease severity for the varietal evaluation programs.

Served on the mentoring committee for starting faculty members.

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