Crop rotations or burying crop refuse by tillage reduces early infection but may not prevent late infection. Early applications of mancozeb or propiconazole fungicides may protect the tillers from early infections. Both fungicides have good activity against leaf spots on wheat. Late in season large numbers of spores may be blown considerable distances. Xanthomonas translucens pv.
Early infection causes dwarfed heads and shriveled seed.
Survival and Spread. Survives on infected seed, straw and winter grass hosts. Spread by splashing rain, aerosols, and insects. Other Crops Affected. Barley and rye.