Diseases of wheat, oats, barley, Diseases of wheat, oats, barley, and rye diseasesofwheato48boew Year: 1960 122 ILLINOIS NATURAL HISTORY SURVEY CIRCULAR 8 Life History.—The virus is carried in the seed, where it can survive for at least 8 years. A short discussion of viruses is given on page 5. Fig. 44.—Stripe mosaic of barley. The causative virus produces a mottling, spotting, or streaking in leaves. The color of the streaks may be light green, cream, yellow, gray, or brown.

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