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麦类黑穗病包括小麦散黑穗、腥黑穗和秆黑粉。散黑穗几乎年年发生,而腥黑穗近年来也有回升趋势,为了压低黑穗病的发生,必须牢牢把住播种期这一关。下面谈谈小麦黑穗病的为害特点及防治方法。一、小麦黑穗病的为害特点及侵染规律 1.小麦腥黑穗病:本病在我国分布极广。我省万荣县里望乡大队,今年腥黑穗病发生严重,全村2000多亩小麦发病面积占三分之二以上,这不仅使当年小麦减产,如果
Ear smut diseases include scattered black smuggling of wheat, black smuggling and stalk black powder. Smut scattered almost every year, while the smelly black spike in recent years has also picked up the trend, in order to reduce the occurrence of smut, we must firmly seeding this sowing. The following talk about the characteristics of wheat smut and prevention methods. First, the characteristics of wheat smut damage and the law of infection 1. Wheat Tartarus: The disease is widely distributed in our country. Wangliang Township, Wanrong County, Guangdong Province, battles this year, serious occurrence of smut, the village of 2000 acres of wheat disease accounted for more than two-thirds of the area, which not only makes the year wheat yield, if