Show wheat smut widespread P use hot water treatment wheat smut Is so widespread this year that special control measures should be employed to control the disease according to IL II C thomas of the ohio experiment station it Is readily spread by threshing machines loose smut Is controlled by hot water treatment which requires that seed wheat be soaked at room temperature for six hours in loose bags containing about a peck or of grain after draining the bags are immersed in water at degrees F for two minutes ind and then transferred to a second water bat at degrees for ten minutes after tills this the grain Is spread to dry stinking smut or bunt causes greater loss than loose smut but Is easier to control thomas says with each bushel of seed wheat la Is mixed three ounces of copper carbonate dust in order that each grain will become coated with the dust the wheat Is placed in a discarded churn or barrel and then churned over several times this treatment may be made at kny any convenient time in advance of seeding without injury to the grain |