Do not overseed damaged winter wheat stands with spring wheat. Check winter wheat variety trial information for differences in susceptibility to wheat streak mosaic. A problem in the winter wheat areas of North Dakota. May be common in a hot, dry spring. Survival and Spread.
Severe injury causes a stem constriction.
Early planting, drilling rows north and south for maximum shading and using higher seeding rates may reduce the damage. In wet weather, developing seeds in the head are infected by Helminthosporium or Alternaria , resulting in shriveled blackened kernels. The blackened area is often near the embryo or germ end, hence the name black point. The crease also may be blackened. Planting of black-pointed kernels may result in seedling blight.