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１９９４年哲盟地区蓖麻灰霉病大发生，调查的田块发病率达１００％，病株率也达１００％，一般减产２—６成。对该病的症状和流行原因作了描述和探讨，并提出防治意见．
In 1994, the occurrence of gray mold disease occurred in Zhe-Meng area. The incidence of field investigation reached 100%, and the diseased plant rate reached 100%, with a general reduction of 2-6%. The symptoms and causes of the disease were described and discussed, and put forward prevention and treatment advice.