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, root disease and metalaxyl."

1978 B.S. Botany, Eastern Illinois University

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. Development of fungicide application technology for rice production.

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

K. Disease control on alternate crops in southwest Louisiana.

2008 - Present F. Avalon Dagget Professorship in Rice Research

2003 - Present Research Coordinator, H. Rouse Caffey Rice Research Station

1994 - Present Professor, Plant Pathology, H. Rouse Caffey 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

• American Phytopathological Society, 1978-present
• Southern Division American Phytopathological Society, 1984-present
• North Central Division American Phytopathological Society, 1978-1984
• Rice Technical Working Group, 1984-present
• Louisiana Association of Plant Pathologists and Nematologists, 1984-1990
• Louisiana Plant Protection Association, 1990-2003
• Louisiana Association of Agricultural Scientists, 2003-present

2016

Famoso, Adam, Oard, James H., Harrell, Dustin L., Groth, Donald E., Bearb, Karen F., White, Lawrence M., Zaunbrecher, Rick, Linscombe, Steven D. Registration of 'CL153' Rice, Journal of Plant Registration (doi:10.3198/jpr2016.04.0023crc).

Famoso, Adam, Oard, James H., Harrell, Dustin L., Groth, Donald E., Bearb, Karen F., White, Lawrence M., Zaunbrecher, Rick, Linscombe, Steven D. Registration of 'CL272' Rice, Journal of Plant Registration (doi:10.3198/jpr2016.04.0024crc).

Mani, K., Hollier, CA, and Groth, D. 2016. Effect of planting date, fungicide timing and cultivar susceptibility on severity of narrow brown leaf spot and yield of rice. Crop Protection 90, 186–190. http://dx.doi.org/10.1016/j.cropro.2016.07.029

Shrestha, B. K., H. S. Kari, D. E. Groth, N. Jungkhun, and J. H. Ham. 2016. Biological control activities of rice-associated Bacillus sp. strains against sheath blight and bacterial panicle blight of rice. PLoS ONE 11(1): e0146764. DOI:10.1371/journal.pone.0146764.

2015

Oard, J.H., D.L. Harrell, D.E. Groth, K.F. Bearb, L. M. White III, M. Esguerra, and S.D. Linscombe. 2015. Registration of CL271 rice. Journal of Plant Registrations. 9:168–171.

2014

Oard, J.H., Harrell, D.L., Groth, D.E., Bearb, K.F., White, L.M., and Linscombe, S.D. 2014. Registration of ‘Mermentau’ Rice. Journal of Plant Registrations. 8:2:135-138.

Oard, J.H., Harrell, D.L., Groth, D.E., Bearb, K.F., White, L.M., and Linscombe, S.D. 2014. Registration of 'CL111' Rice. Journal of Plant Registrations. 8:1:5-8.

Oard, J.H., Harrell, D.L., Groth, D.E., Bearb, K.F., White, L.M., and Linscombe, S.D. 2014. Registration of 'CL261' Rice. Journal of Plant Registrations. 9: 2:68-171.

2013

Groth, D.E., Hollier, C.A. Olaya, G., Tally, A., Lanclos, D. and Zaunbrecher, J. 2013. Management of Q_oI-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.

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.

• Received 2017 Conservation Systems Rice Researcher Award sponsored by National Conservation Systems Cotton and Rice Conference, Baton Rouge, Louisiana, January 2017.
• Distinguished Rice Research and Extension Team Award, Rice Technical Working Group. Clearfield management team, Galveston, TX, February 2016.
• Received the Louisiana Agricultural Experiment Station, LSU Agricultural Center’s Tipton Team Research Award for the rice sheath blight resistance development team, Louisiana Agricultural Experiment Station, LSU AgCenter Baton Rouge, December 2015.
• 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.

• Louisiana Rice Research Board: Development of rice disease control practices, 2008-2017, $673,527.
• USDA, REE, ARS, Wheat: Germplasm disease resistance development, 2008-2017, $11,666,56.
• Various Agricultural Chemical Companies: Product testing, 2008-2017, $556,420.