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, 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

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

Distinguished Rice Research and Extension Award, Rice Technical Working Group. Rice Disease control accomplishments, San Diego, Calif., February 2008

Distinguished Rice Research and Education Team Award, Rice Technical Working Group. Louisiana Rice Varietal Development Team, Houston, Texas, February 2006

Invited speaker: Bacterial interactions with the rice plant, Venice, Italy, October 2005

Received the Louisiana Agricultural Experiment Station, LSU Agricultural Center’s Tipton Team Research Award for the Rice Research Varietal Development Team, Baton Rouge, La., December 2003.

Distinguished Rice Research and Education Team Award, Rice Technical Working Group. Rice Bacterial Panicle Blight Team, Little Rock, Ark., February 2002

Inducted into the LSU Agricultural Center Patent Club, Baton Rouge, La., June 2002.

Invited speaker: Delayed Phytotoxicity Syndrome Symposium, Kyoto, Japan, August 1998.

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.

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. .

Groth, D. E. and J. S. Bond. 2007. Effects of cultivars and fungicides on rice sheath blight, yield, and quality. Plant Disease. 91:1647-1650.

Groth, D.E., S.L. Linscombe, and X. Sha. 2007. Registration of two disease-resistant germplasm lines of rice. J. of Plant Registrations 1:63-64.

Sha, X.Y., Linscombe, S.D., and Groth, D.E. 2007. Field evaluation of Imidazolinone-tolerant Clearfield rice (Oryza sativa L.) at nine Louisiana locations. Crop Sci. 47:1177-1185.

Chu, Q.R., S.D. Linscombe, M.C. Rush, D.E. Groth, J. Oard, X. Sha, and H.S. Utomo. 2006.

Registration of a C/M Doubled Haploid Mapping Population of Rice. Crop Science 46:1417

Groth, D.E. 2006. Azoxystrobin Rate and Timing Effects on Rice Head Blast Incidence and Rice Grain and Milling Yields. Plant Disease 90:1055-1058.

Groth, D.E. and J.A. Bond. 2006. Initiation of Rice Sheath Blight Epidemics and Effects of Application Timing of Azoxystrobin on disease Incidence, Severity, Yield and Milling Yields. Plant Disease 90:1073-1078.

Linscombe, S.D., X. Sha, K. Beard, Q.R. Chu, D. E. Groth, L. M. White, R.T. Dunand, and P.K. Bollich. 2006. Registration of ‘Cheniere’ Rice. Crop Science 46:1814-1815.

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 46:2318-2319.

Sha, X., S.D. Linscombe, K. Beard, Q.R. Chu, D. E. Groth, L. M. White, R.T. Dunand, and P.K. Bollich. 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 of 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(1)49-65.

Groth, D.E. 2005. Azoxystrobin Rate and Timing Effects on Rice Sheath Blight Incidence and Severity and Rice Grain and Milling Yields. Plant Disease 89:1171-1174.

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 Science 44:2269-2270.

Jodari, F., X. Sha, S.D. Linscombe, P.K. Bollich, D.E. Groth, L.M. White, and R.T. Dunand. 2003. Registration of 'Delmati' rice. Crop Science 43:435-436.

Groth, D.E. and F.N. Lee. 2002. Rice Diseases. Pp. 413-436 In: Rice: Origin, Production, and Technology. Edited by C. Wayne Smith. John Wiley & Sons Inc., NY.

Linscombe, S.D., F. Jodari, P.K. Bollich, D.E. Groth, L.M. White, Q.R. Chu, and R.T. Dunand. 2001. Registration of ‘Earl’ Rice. Crop Science 41(6): 2003-2004.

Shahjahan, A.K.M., M.C. Rush, and D.E. Groth. 2001. Phylloplane yeasts as potential biological control of rice sheath blight disease. Pp 235-252. In: Major fungal diseases of rice recent advances. Sreenivasaprasad and Johnson Eds. Kluwer Academic Publishers. Netherlands.