Diseases

Incidence of grapevine red blotch virus has been growing around the world, including in Southwest Oregon, said Oregon State University viticulturist Alexander Levin. (Courtesy Carlee Wormington/Oregon State University)

Red blotch a worldwide vineyard threat

February 23, 2026

Michigan State University tree fruit pathologist George Sundin discusses fire blight during the Great Lakes Fruit, Vegetable and Farm Market EXPO in December. Here, he shows a microscopic view of shoot blight ooze infecting a tree’s parenchyma, the soft tissue that performs multiple functions including storing and transporting nutrients. (Matt Milkovich/Good Fruit Grower)

Doubling down on diseases

February 18, 2026

Washington State University Extension’s Tianna DuPont, right, coaches Chad Blackburn on where to make the cut on a fire blight-infected shoot during a fire blight field day hosted by WSU at its Columbia Reach research farm in 2024. The pathology research block had plenty of shoot blight for attendees to practice on, as DuPont shared the importance of cutting promptly and aggressively to limit spread. (Kate Prengaman/Good Fruit Grower)

DuPont: Fire blight findings

February 17, 2026

Corollas of a southern highbush blueberry plant infected with Botrytis cinerea. Freeze-damaged blueberry bushes are more susceptible to the fungal pathogen. (Courtesy Phil Harmon/University of Florida)

Southeast U.S. fruit growers fighting freeze damage; webinar and resources available

February 6, 2026

New research to headline Feb. 24 Fire Blight Fruit School

January 27, 2026

Crop consultants Justin Wiggs, right, and Matt Smith share insights into cherry powdery mildew management at North Central Washington Stone Fruit Day, held in Wenatchee on Jan. 21. (Kate Prengaman/Good Fruit Grower)

Disease and economic talks highlight North Central Washington Stone Fruit Day

January 22, 2026

Melissa Hansen, left, talks with Alexa McDaniel about a Washington State University Extension demonstration of an ultraviolet light prototype in a research vineyard in Prosser, Washington, in 2021. Hansen, the first research program director for the Washington State Wine Commission, embraced the role as an advocate for growers and wineries, making sure research projects targeted priority problems, such as powdery mildew in this case, and could deliver returns on industry investment. (TJ Mullinax/Good Fruit Grower)

Lighting the way forward

December 18, 2025

Maria Sanchez deploys Suterra grape mealybug pheromone dispensers in April in a Syrah block at Olsen Bros. Ranches near Prosser, Washington.

Hansen: Slowing the spread

November 4, 2025

Growers hear about fire blight in a fifth-leaf Cripps Pink block in Benton City, Washington

Fire blight insights

September 23, 2025

Torey Schmidt, in Hood River, Oregon, on Sept. 16, 2024. (TJ Mullinax/Good Fruit Grower)

Torey Schmidt, a young grower from Parkdale, Oregon

August 28, 2025