黑穗病是高粱生产中的主要病害之一。1977年,我市73万亩高粱平均发病率为15.9％,损失粮食7,000～8,000万斤。为了迅速控制黑穗病的发生,找出良好的防治药剂,我们于1978年作了“拌种双”(拌种灵十福美双)等防治高粱黑穗病的药剂试验。1981年我们又在辽阳县安平公社进行了防治黑穗病的示范,面积达3,700亩。经 Smut is one of the major diseases in sorghum production. In 1977, the average incidence of 73 million mu of sorghum in our city was 15.9%, with a loss of 7,000 to 8,000 kilograms of grain. In order to quickly control the occurrence of smut and find a good control agent, we made a “mixed seed double” (mixed seedlings Shimei Shuang) in 1978 to prevent and treatment of smut smut. In 1981, we conducted an anti-smut demonstration in Anping Commune in Liaoyang County, covering an area of ​​3,700 mu. through