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Plant diseases

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Displaying 1 - 10 of 142 resources

Tree Health Webinar Series: True Firs

As part of the Tree Health Webinar Series, Laura Lowrey discusses the forest health outlook for true fir trees, future projections in Oregon, and actions that landowners and managers can take for their trees.

Glenn Ahrens, Laura Lowrey | Aug 2023 | Video

Tree Health Webinar Series: Western Redcedar

As part of the Tree Health Webinar Series, Christine Buhl discusses the forest health outlook for western redcedar, future projections in Oregon, and actions that landowners and managers can take for their trees.

Glenn Ahrens, Christine Buhl | Aug 2023 | Video

VIT TECH | Crown Gall (May 2023)

Tanja Voegel (University of British Columbia) provides an overview of crown gall pathology in wine grapes and shares current research related to management of the disease at the May 2023 VIT TECH session.

Aug 2023 | Video

What to consider to minimize root rot and damping-off in hemp

In cooler weather, such as what Oregon experienced in June 2023, hemp crops are susceptible to root rot. Here's how you can avoid that problem in your crop.

Cynthia Ocamb | Jul 2023 | Article

How to minimize crop loss in hemp from beet leafhopper and beet curly top virus

How to reduce hemp crop losses to beet curly top virus.

Govinda Shrestha, Cynthia Ocamb | Jul 2023 | Article

How to Prevent Phytophthoras in Restoration Plantings on Your Woodlands

Sudden oak death and related pathogens invade and kill trees. Learn why prevention is key to saving Oregon ecosystems from Phytopthora ramorum.

Norma Kline, Dan Stark, Aaron Groth, Beatriz Botello, Marianne Elliott, Jennifer Parke | May 2023 | Extension Catalog publication Peer reviewed (Orange level)

Hemp Disease Workshop

OSU Extension hosted a Hemp Disease Workshop in April 2023. The event was created in support of the Western IPM Grant. Recordings are linked below. Hemp Powdery Mildew in the Pacific Northwest Dr. Cynthia Ocamb, Associate ...

Cynthia Ocamb, Govinda Shrestha | May 2023 | Article

OSU Extension research helps wheat growers fight serious stripe rust disease

Treatment recommendations accounted for about 65,000 acres of wheat in the region with a net savings to farmers of $2.3 million.

May 2023 | Impact story

OSU Extension outreach helps slow the spread of deadly X-disease in cherries

In the gorge, a survey of 50 orchardists at the 2022 Cherry Day suggests that 86% of those cherry producers can confidently identify X-disease and 48% have removed at least one infected tree since Thompson started her outreach in 2018.

Apr 2023 | Impact story

Solve Pest and Weed Problems website gives gardeners solutions

The content – peer reviewed by the OSU Department of Horticulture – is presented in categories with information below each photo. Clicking on the photo takes users to another page that offers information about identification, ...

Mar 2023 | Impact story