Survives in soil as spores, sclerotia and vegetative growth. Most severe in winter wheat following heavy snow cover, or following frequent snows or rains early in spring. Other Crops Affected. Winter cereals, lawn grasses. Avoid planting in areas of frequent, dense snow cover.
Rotation helps reduce inoculum levels.
TAKE-ALL, Gaeumannomyces graminis tritici Symptoms. Roots, crown and lower stem are distinctly blackened, often shiny black. Roots may be brittle. Prematurely whitened heads and stunted plants also are typical. Survival and Spread.