小麦黑壳病(暂名)酷似小麦黑颖病,是我区小麦近年来发生的一种新病害,1973年全区8个县突然普遍发生,其中以阳谷、聊城、东阿三县发生较重。据笔者在阳谷县调查,小麦一般发病率为0.4—6％,发病中心的发病率达37.6％,有的感病品种千粒重降低13—63％。当时据阳谷县统计,全县发生面积达9万余亩,发病严重而减产50％的地块就有3,000余亩,损失小麦40多万斤,给小麦大幅度增产带来很大威胁。因此,该病已成为我区当前小麦生产上亟待解决的一个新问题。 Wheat black shell disease (tentative name) exactly resembles wheat black-eyed disease, which is a new disease of wheat in our district in recent years. In 1973, the eight counties in the whole area suddenly and universally occurred, of which Yanggu, Liaocheng and East-Asan counties occurred Heavier According to the author’s investigation in Yanggu County, the general incidence of wheat is 0.4-6%, the incidence rate of incidence center reached 37.6%, and some susceptible varieties of grain weight decreased 13-63%. At that time, according to statistics of Yanggu County, the county had an area of ​​more than 90,000 mu. The area with a serious incidence of 50% reduction had more than 3,000 acres and a loss of more than 400,000 kg of wheat, which posed a great threat to the wheat yield increase. Therefore, the disease has become a new problem to be solved in wheat production in our region.