David Gent

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Office: 541-738-4167

Crop and Soil Science

Crop and Soil Science 309

Crop & Soil Science 235 Crop Science Bldg

Crop & Soil Science
235 Crop Science Bldg
Corvallis, OR 97331

Integrated pest management; disease epidemiology, ecology, and management

  • Our research centers around better understanding the epidemiology and biology of downy mildew and powdery mildew diseases to develop integrated management systems that reduce crop losses and chemical inputs.  Our research has both basic and applied aspects, and utilizes a variety of approaches including field, lab, greenhouse, and growth chamber experiments and statistical modeling, depending on the research question being addressed.  Most of our work is conducted on hop, although I maintain active collaborations with other researchers in the U.S. and Australia on other crops.  On hop, our current research efforts involve characterizing ontogenic resistance to powdery mildew (Podosphaera macularis) in hop cones and its implications for disease prediction and management; clarifying the overwintering biology of Podosphaera macularis in the Pacific Northwest; and resolving the phylogeny, host range, and diversity of the hop downy mildew pathogen (Pseudoperonospora humuli). 
  • My lab also provides pathology support for the USDA-ARS hop genetics and breeding program.  We are utilizing genome-wide association approaches to identify genetic regions associated with resistance to hop downy mildew and other traits of economic importance to accelerate development of new cultivars via molecular breeding approaches.

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Affiliated with: 
Ag Botany / Plant Path
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