Damage usually ranges from noticeable yield reductions to crop failures.
Tips Host Crops Wheat streak mosaic virus attacks barley, corn and some grasses, but is most common on winter and spring wheat. Oats and rye may be infected but they do not appear to be seriously damaged. Wheat is the only cereal that is seriously affected. Biology Wheat streak mosaic is a viral disease of wheat. The virus enters the leaves and spreads to all parts of the plant.