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稻曲病是我国南方稻区普遍发生的一种真菌性病害。１９８６年传入黑龙江省并伴随着群众性的品种串换而迅速扩散，发病面积呈逐年增大趋势，对水稻生产造成了严重威胁。为此，笔者进行了调研，现总结如下：１ 传入与扩散１９８６年，在黑龙江省五常市安家镇灯塔村的生产田里首?
False smut is a fungal disease commonly occurring in the rice area of southern China. In 1986, it was spread to Heilongjiang Province and spread rapidly with the exchange of masses. The area of incidence increased year by year, posing a serious threat to rice production. To this end, the author conducted a survey, are summarized as follows: 1 Incoming and spreading 1986, in Wuchang City, Heilongjiang Province An Jiazhen beacon village production field first?