Posts Tagged ‘stripe rust’
Stripe rust update 05/31/26
By Xianming Chen Stripe rust has been continually developing in the Pacific Northwest. The relatively dry conditions between the middle of April and middle May slowed the rust development little bit,…
Read MoreHigh-temperature adult plant resistance: How warm is warm enough?
By Tim Murray(Reprinted from 2018) High-temperature adult-plant resistance, frequently referred to as HTAP resistance, is used widely in PNW winter and spring wheat varieties to help reduce the impact of…
Read MoreStripe rust update 4/22/26: Stripe rust developing fast in the PNW
By Dr. Xianming ChenUSDA-ARS Since the last update on March 19, stripe rust of wheat has been developing fast in the Pacific Northwest, and many winter wheat fields have been applied…
Read MoreStripe rust update 03/19: Disease found across Eastern Washington
By Dr. Xianming Chen On March 18, we were checking wheat fields in Franklin, Benton, Walla Walla, Columbia, Garfield, and Whitman counties. Wheat plants ranged from Feekes 3 to 6. Stripe…
Read MoreStripe Rust Forecast Still Indicating Severe Epidemic
From smallgrains.wsu.edu Weather data collected by USDA’s Dr. Xianming Chen from November 2025 to February 2026 indicate severe epidemic levels of stripe rust. Highly susceptible varieties could experience yield losses…
Read MoreStripe rust update March 4, 2026: Disease found across Eastern PNW
By Dr. Xianming ChenUSDA-ARS Research Plant Pathologist Wheat stripe rust is forecasted to be in the upper range of severe epidemic (40-60% yield losses on susceptible varieties) in the 2026 growing…
Read MoreFirst 2026 forecast calls for severe epidemic level of stripe rust
By Xianming Chen USDA-ARS Research Plant Pathologist Based on the weather data of November and December 2025, stripe rust in the 2026 wheat growing season is predicted to be in the…
Read MoreStripe rust report 06/19/25
By Dr. Xianming Chen So far, we have completed recording stripe rust data of our winter crop nurseries in various locations including Central Ferry, Mount Vernon, Wallla Walla, Lind, and…
Read MoreStripe rust update 05/21: Disease has been developing in Washington
From Dr. Xianming Chen Since the last stripe rust update on May 7, stripe rust has been developing in the Pacific Northwest (PNW), especially in Washington. After the update, we…
Read MoreStripe rust update 05/07: Stripe rust appearing in the Palouse
By Dr. Xianming Chen On May 6, we were checking fields around Pullman, Wash. Winter wheat and barley ranged from Feekes 5 to 7. We were able to find stripe…
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