In-Season Updates

  • 2025 Cereal Rust Risk Report (May 20-26, 2025)

    The third weekly Prairie Crop Disease Monitoring Network (PCDMN) Prairie wind trajectory cereal rust risk report for 2025 is currently being updated as there were some data processing issues in relation to the wind trajectories. The update is expected to be completed sometime next week. Our current focus is on our current report for May…

  • 2025 Cereal Rust Risk Report (May 13-19, 2025)

    The second weekly Prairie Crop Disease Monitoring Network (PCDMN) Prairie wind trajectory cereal rust risk report for 2025 is available for download now at the following link: May 13-19, 2025 report Pacific Northwest Texas-Oklahoma corridor Kansas-Nebraska corridor

  • 2025 Cereal Rust Risk Report (May 6-12, 2025)

    The first weekly Prairie Crop Disease Monitoring Network (PCDMN) Prairie wind trajectory cereal rust risk report for 2025 is available for download now at the following link: May 6-12, 2025 report Pacific Northwest Texas-Oklahoma corridor Kansas-Nebraska corridor

  • Mini Prairie cereal rust risk update – April 25, 2025

    Since the PCDMN rust risk update in early February 2025 (https://prairiecropdisease.com/2025/02/02/2025-pnw-stripe-rust-forecast-a-heads-up-for-prairie-wheat-growers/) there has been a change in rust risk coming out of the Pacific Northwest. Dr. Xianming Chen, USDA-ARS, and WSU, Pullman, WA, issues one or more stripe rust forecasts for the PNW region in the USA. Unfortunately, winter wheat crops in the PNW region…

  • 2025 PNW Stripe Rust Forecast: A heads-up for Prairie wheat growers

    In early winter of each year, Dr. Xianming Chen, USDA-ARS, and WSU, Pullman, WA, issues one or more stripe rust forecasts for the PNW region in the USA. Unfortunately, winter wheat crops in the PNW region serve as an important source of stripe rust inoculum for Prairie producers. These PNW forecasts from Dr. Chen serve…

  • Reports of barley yellow dwarf virus in Southern Alberta – early to mid-August 2024

    Feature report from Dr. Mike Harding, Alberta Agriculture and Irrigation, Brooks, Alberta, August 14, 2024. Barley yellow dwarf (BYD) is a disease in cereals that can occur in barley, wheat, oat and corn. It has now been reported in many fields in southern Alberta in 2024 – mainly on oat. The disease is caused by…

  • Additional updated cereal leaf spot disease info cards have been posted

    Updated disease info cards have been posted on the PCDMN website for speckled leaf blotch, leaf and glume blotch and tan spot of wheat, and spot-form net blotch and spot blotch of barley. Wheat Barley

  • Updated end-of-season assessment protocols for the Ascochyta/Mycosphaerella complex of field pea

    Ascochyta/Mycosphaerella Assessment Protocols (Summer 2024)During June and July, crop scouting for the ascochyta/mycosphaerella complex in field pea is critical for assessing risk and gauging the need for and timing of an in-crop fungicide application. However, late-season crop scouting is also important as it can be used to assess the prevalence, severity, and impact of these disease…

  • Updated end-of-season assessment protocols for sclerotinia stem rot of canola

    We are fast approaching the time when you can rate sclerotinia stem rot in your canola. Ideally plants should be rated within a week or so before the crop would normally be swathed (if it was being swathed of course). Once the crop starts to turn, rating stem rot becomes very difficult.  Key characteristics of…

  • End-of-season assessment protocols and associated information for blackleg of canola

    Blackleg is one of the key diseases faced by Prairie canola producers and has largely been kept in check with the use of resistant varieties and crop rotation.  However, over the past 10-20 years there have been concerns regarding observed shifts in blackleg pathogen virulence in response to the major gene resistance used in a…