Browse resources
Displaying 1 - 10 of 122 resources
Biology and Management of Beet Leafhopper and Purple Top in Potatoes in the Pacific Northwest
Leafhoppers damage potatoes by feeding on the plants, or by transmitting viruses and phytoplasmas, which are small bacterial parasites of plant phloem tissue. Phytoplasmas cause purple top disease, which reduces yield and produces ...
Wheat virus is bigger problem in Pacific Northwest than previously thought
Wheat soil-borne mosaic disease was first detected in the Walla Walla Valley along the Oregon and Washington border in 2008.
Managing Diseases and Insects in Home Orchards
This pest management guide is for the home gardener. It recommends management practices for controlling diseases and insects in home orchards. It doesn't meet the exacting requirements of the commercial fruit grower.
Dig into hundreds of publications from OSU Extension online catalog
Have a gardening question? Find an answer in one of OSU Extension's publications.
The Impacts of Bacterial Soft Rot Pathogens of Potato
Jessie Brazil is a Botany and Plant Pathology Masters student at Oregon State University. Jessie does her research at the Hermiston Agricultural Research and Extension Center. The focus is on studying soft rot of potato. This ...
Tackling Potato Virus Y, a Persistent Problem in Potato Production
Oregon State University Masters student Max Combest explains issues related to Potato Virus Y (PVY). He is doing research of PVY in potato production in the Pacific Northwest and worldwide. He is looking to understand the ...
Aggressive local efforts were key to limiting spread of sudden oak death disease in Oregon
Limiting sudden oak death’s spread in southern Oregon has proved to be a success.
Bigleaf maple decline
Forest pathologists in Washington have been investigating the decline of bigleaf maple (Acer macrophyllum) in the Pacific Northwest since it emerged in 2010. This year, Dave Shaw, OSU Extension Forest Health Specialist, has noticed ...
Can I compost plants with powdery mildew?
Q: Can I compost plants with powdery mildew in the City of Portland's yard debris pickup? I called Metro's Recycling Hotline. The person that I talked to wasn't familiar with powdery mildew, but suggested that I put the infected plants in the garbage rather than the yard debris.
7 tips for controlling frustrating apple scab
Prevention is the best method when it comes to controlling this fungal disease.