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Christian Joseph Cumagun

Christian Joseph Cumagun

Postdoctoral Research Scientist — Plant Pathologist



Mailing Address

Parma Research and Extension Center
University of Idaho
29603 U of I Lane
Parma, ID 83660-6699

Christian leads the Plant Clinic which provides diagnostic services and advice to growers. His research projects focus on seed health and plant disease management., University of Hohenheim, Stuttgart, Germany, 2004
M.S., University of the Philippines Los Baños, 1998

  • Plant disease diagnostics
  • Seed pathology
  • Genetics and resistance
  • Mycotoxins

  • Cumagun CJ, Duellman KM, Woodhall J, 2022. Help protect the famous Idaho potato: diagnose and control late blight in your home garden. University of Idaho Extension Bulletin No 1022.
  • Cumagun CJ, Marshall J, Woodhall J, 2022. Take-all disease of wheat in Idaho. University of Idaho Extension Bulletin No 1029.
  • Bauske M, Cumagun CJ, Murdock M, Miller J, Whitworth JL, Duellman KM, Woodhall J, 2022. Powdery Scab of Potato. University of Idaho Extension Bulletin No 1024.
  • Nugroho C, Cumagun CJR, Oliva R, 2022. Diversity of Xanthomonas oryzae pv. oryzae on susceptible and resistant rice lines in bacterial blight hot spot areas of the Philippines. European Journal of Plant Pathology 163:951-960.
  • Cumagun CJR, McDonald BA, Arakawa M, Castroagudín VL, Sebbenn AM, Ceresini PC, 2020. Population genetic structure of the sheath blight pathogen Rhizoctonia solani AG-1 IA from rice fields in China, Japan and the Philippines. Acta Scientarum Agronomy 42i1. 42457.
  • Inoue Y, Vy TPP, Yoshida K, Asano H, Mitsuoka C, Asuke S, Anh VL, Cumagun CJR, Chuma I, Terauchi R, Kato K, Mitchell T, Valent B, Farman M, Tosa Y, 2017. Evolution of the wheat blast fungus through functional losses in a host specificity determinant. Science 357:80-83.
  • Cumagun CJR, Anh VL, Phuong Vy TT, Asano H, Chuma I, Tosa Y, 2014 Identification of a hidden resistance gene in tetraploid wheat using laboratory strains of Pyricularia oryzae produced by backcrosses. Phytopathology 104:634-640.
  • Cumagun CJR, Bowden RL, Jurgenson JJ, Leslie JF, Miedaner T, 2004. Genetic mapping of pathogenicity and aggressiveness of Gibberella zeae (Fusarium graminearum) toward wheat Phytopathology 94:520-526.
  • Cumagun CJR, Rabenstein F, Miedaner T, 2004. Covariation between fungal colonization and deoxynivalenol content of Gibberella zeae (Fusarium graminearum) in wheat. Plant Pathology 53:446-453.

  • Mycology Editor, New Disease Reports (published by British Society for Plant Pathology), 2023-present
  • Alexander von Humboldt Fellowship, 2017-2019
  • Japan Society for the Promotion of Science Fellowship, 2009-2011


University of Idaho

Physical Address:
E. J. Iddings Agricultural Science Laboratory, Rm 242
606 S Rayburn St

Mailing Address:
875 Perimeter Drive MS 2329
Moscow, ID 83844-2329

Phone: 208-885-3776