Rebecca J. Nelson

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Rebecca Nelson (born c. 1961), B.A. Swarthmore College, 1982, Ph.D. University of Washington, 1988 (Zoology). Professor of Plant Pathology, Plant Breeding and International Agriculture at Cornell University. She is also Scientific Director for The McKnight Foundation Collaborative Crop Research Program. Her current research concerns resistance to diseases of cereal crops (especially maize) in Africa. From 1997 until 2001 she led the late blight program at the International Potato Center in Peru. She appeared in the KCTS public television documentary, Hot Potatoes, originally broadcast November 12, 2001.

She was named a MacArthur Foundation Fellow in 1998 [1] for her work in combating rice diseases and potato blight.

Nelson's parents were researchers at the National Institutes of Health. She is married to public radio journalist Jonathan Miller and has two children, William and Benjamin.

Selected publications[edit]

  • Wisser, R.J., Qi, S., Kresovich, S., and R.J. Nelson. 2005. Identification and characterization of regions of the rice genome associated with broad-spectrum, quantitative disease resistance. Genetics 169: 2277-2293.
  • Andrade-Piedra, J., R. Hijmans, G. Forbes, W.E. Fry and R.J. Nelson. 2005. Simulation of potato late blight in the Andes. 1: Modification and parameterization of the LATEBLIGHT model. Phytopathology 95 (10): 1191-1199.
  • Garry, G., A. Salas, G. Forbes, W. Perez, M. Santa Cruz, and R.J. Nelson. 2005. Host specialization not detected in isolates of Phytophthora infestans attacking wild and cultivated potatoes in Peru. European J. Plant Pathology 54: 740-748.
  • Ortiz, O., Garrett, K. A., Heath, J. J., Orrego, R., and Nelson, R. J. 2004. Management of potato late blight in the Peruvian highlands: Evaluating the benefits of Farmer Field Schools and Farmer Participatory Research. Plant Disease 88: 15-44.
  • Naylor, R.L., W. P. Falcon, R.M. Goodman, M.M. Jahn, T. Sengooba, H. Tefera, and R.J. Nelson. 2004. Biotechnology in the Developing World: A Case for Increased Investments in Orphan Crops. Food Policy 29(1): 15-44.
  • R.J. Nelson, R.L. Naylor, M.M. Jahn. 2004. The role of genomics research in improvement of “orphan” crops. Crop Science 44: 1901-1904.
  • Trognitz, F.C., P.M. Manosalva, D.O. Niño-Liu, Ma. del R. Herrera, M. Ghislain, B.R. Trognitz and R.J. Nelson. 2002. Plant defense genes associated with quantitative resistance to potato late blight in Solanum phureja x S. tuberosum hybrids. Mol. Plant-Microbe Interactions 15 (6): 587-597.
  • Thiele, G., R. Nelson, O. Ortiz, and S. Sherwood. 2001. Participatory research and training: ten lesson from the Farmer Field Schools (FFS) in the Andes. Currents 27: 4-11.
  • Nelson, R.J., Orrego, R., Ortiz, O., Mundt, M., Fredrix, M. and Vien, N.V. 2001. Working with resource-poor farmers to manage plant diseases. Plant Disease 85: 684-695.
  • Perez, W.G., J.S. Gamboa, Y.V. Falcon, M. Coca, R.M. Raymundo and R.J. Nelson. 2001. Genetic structure of Peruvian populations of Phytophthora infestans. Phytopathology 91: 956-965.
  • Garrett, K.A., R.J. Nelson, C.C. Mundt, G. Chacon, R.E. Jaramillo, and G.A. Forbes. 2001. The effects of host diversity and other management components on epidemics of late blight in the humid highland tropics. Phytopathology 91: 993-1000.
  • Shanti, M.L., M.L.C. George, C.M. Vera Cruz, M.A. Bernardo, R.J. Nelson, H. Leung, J.N. Reddy and R. Sridhar. 2001. Identification of resistance genes effective against rice bacterial blight pathogen in Eastern India. Plant Disease 85: 506-512.
  • Vera Cruz, C.M., J. Bai, I. Ona, H. Leung, R.J. Nelson, T.W. Mew and J.E. Leach. 2000. Predicting durability of a disease resistance gene based on an assessment of the fitness loss and epidemiological consequences of an avirulence gene mutation. Proc. Natl. Acad. Sci. USA. 97(25): 13500-13505.
  • Kumar, J., R.J. Nelson, and R. S. Zeigler. 1999. Population structure and dynamics of Magnaporthe grisea in the India Himalayas. Genetics 152: 971-984.
  • Finckh, M. and R.J. Nelson. 1999. Phylogenetic and pathotypic analysis of bacterial blight race 3. European Journal of Plant Pathology 105 (8): 743-751.
  • Chen, D., M. dela Vina, T. Inukai, D.J. Mackill, P.C. Ronald and R.J. Nelson. 1999. Molecular mapping of the blast resistance genes, Pi44(t), derived from a durably resistant rice cultivar. Theoretical and Applied Genetics 98: 1046-1053.


  • "Potato Warrior: Molecular biologist Rebecca Nelson '82 is trying to defeat 'the worst crop disease in the world.'" Swarthmore College Bulletin September 1998.
  • Cornell University staff page.
  • "Cash From Chicago Aids Fight for Spuds," by Laurie Goering. Chicago Tribune, June 17, 1998, page 4.
  • "Building a Better Potato: American Scientist Rebecca Nelson Has Been Leading the Charge to Use Genetically Modified Crops to Fight Famine in Peru. But Not Everyone Thinks It's God's Work," by Jonathan Kandell. Los Angeles Times Magazine, August 11, 2002, section I.18.