莜麦坚黑穗病（Ustilagokolleri）是莜麦生产上的重要病害，轻者减产，重者绝收。康保县２０世纪５０年代初期发生比较严重，由于推广温汤浸种和赛力散拌种，病害基本得到控制，自赛力散禁用后，该病又逐渐回升。７０年代末期，试验筛选出高效农药多菌灵拌种，由于长期单一用药 Ustilagokolleri is an important disease in oat production. Kangbao County in the early 1950s occurred more serious, due to the promotion of warm soaking seeds and salads scattered species, the basic control of disease, since the saxalis banned, the disease gradually picked up. In the late 1970s, the experiment screened high-efficiency pesticide carbendazim seed dressing, due to long-term single-drug treatment