A few people have had issues with leaves dying in cereals and the crop looking diseased when it was not.
People have tested for blights, disease, virus's and can't figure out what's going on. In the end it seems to be plant stress of some kind. A link to Dr. Brian Beres post Wheat Streak Mosaic Volunteer wheat is a concern in winter wheat crops as it can allow the transfer of virus's. Wheats a problem but other cereal crops are not impacted Alberta Fact Sheet Stripe Rust in Canada The Praire Crop Disease Monitoring Network is reporting stripe rust arriving in all provinces. https://prairiecropdisease.com/2024/07/12/stripe-rust-now-in-central-alberta-and-additional-reports-from-manitoba/ Keep in mind some varieties are rated better for this disease and some leaf tip necrosis can occur in some varieties in response to rust (browning of the leaf tip) Here is a comprehensive overview of rust risk https://prairiecropdisease.com/2024/07/17/mini-pcdmn-cereal-rust-risk-update-and-rust-impact-based-on-crop-growth-stage-and-variety-resistance-level-july-17-2024/ Bacterial Blight in Cereals Bacterial blight can impact cereals mid to late season. I have not heard too much this season regarding bacterial blight. Sask Wheat has a nice file showing what you are looking for: https://saskwheat.ca/wp-content/uploads/squarespace/pdf/ABBW-11249-BacteriaLeafStreak-Sheet_FA.pdf Kelly Tarkington and Mike Harding are featured in an article talking about the problem here
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AuthorsBlair Balog - Seed Specialist at Stamp Seeds Archives
February 2025
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