Subject
- Wheat -- Diseases and pests6
- Mycorrhizas5
- Douglas fir -- Diseases and pests4
- Potatoes -- Diseases and pests4
- Verticillium dahliae4
- Botrytis cinerea -- Biological control3
- Fusarium3
- Peppermint -- Diseases and pests3
- Pseudomonas fluorescens3
- Soil microbiology3
- Agrobacterium tumefaciens2
- Beans -- Diseases and pests2
- Cheatgrass brome -- Great Basin2
- Cherry -- Diseases and pests2
- Forest ecology -- Oregon2
- Forest soils2
- Fungi in agriculture2
- Fusarium diseases of plants -- Oregon -- Willamette River Valley2
- Fusarium oxysporum -- Oregon -- Willamette River Valley2
- Hops -- Diseases and pests2