Wheat Disease Identification Guide - University of Idaho Extension ...

Wheat streak mosaicLeaves of plants infected with wheat streak mosaic havea bright yellow streaking. Symptoms are often mostsevere near the leaf tip. The virus that causes wheatstreak mosaic survives in volunteer wheat and is spreadby wheat curl mites. The disease is often most severein areas of a field that are closest to these sources ofthe disease and mites. Commonly, plants infected withwheat streak mosaic also are infected with High Plainsdisease and Triticum mosaic. The symptoms of thesediseases are nearly identical. Disease severity is greaterwhen plants are infected by more than one virus.Management: Control volunteer wheat, delayedplanting date, genetic resistance, avoid planting nearmaturing corn.Disease affecting leaves17