Subject
- Verticillium dahliae5
- Wheat -- Diseases and pests5
- Mycorrhizas4
- Plant viruses4
- Potatoes -- Diseases and pests4
- Douglas fir -- Diseases and pests3
- Peppermint -- Diseases and pests3
- Phytophthora diseases3
- Phytophthora ramorum3
- Stripe rust3
- Botrytis cinerea -- Biological control2
- Bunt (Disease of wheat)2
- Crown-gall disease2
- Cytokinins2
- Fusarium2
- Fusarium diseases of plants -- Oregon -- Willamette River Valley2
- Fusarium oxysporum -- Oregon -- Willamette River Valley2
- Growth (Plants)2
- Hops -- Diseases and pests2
- Host-fungus relationships2