Article
Identification of Halo Blight Disease on Oat in Idaho and Exploration of Resistant Sources in Oat, Barley, and Wheat.
Plant disease - 1 Jul 2026
Butchacas Jules, Sapkota Suraj, Jacobs Jonathan M, Toth Hannah, Klos Kathy Esvelt, Yimer Belayneh A
Abstract excerpt
Pseudomonas coronafaciens pv. coronafaciens (Pcc), the causal agent of bacterial halo blight (BHB) on oat, has been infrequently reported in the United States, with historical records limited to the 1920s through the 1960s. In 2023, oat trial fields in Aberdeen, ID, were severely infected with an unknown disease that formed necrotic lesions on leaves. Preliminary identification based on colony morphology...
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