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据河南省植保部门的系统监测结果,截至去年12月底,河南省麦田各种病虫草害发生总面积为5400多万亩次。其中尤以胞囊线虫病、地下害虫危害程度相对较重,个别田块出现了缺苗断垄现象,麦田草害发生普遍,面积近3000万亩。麦蚜、麦蜘蛛在部分麦区虽有发生,但均达不到防治指标。12月中旬,该省重
According to systematic monitoring results of the plant protection department in Henan Province, as of the end of December last year, a total area of more than 54 million mu of various diseases, pests and weeds occurred in the wheat fields in Henan Province. Especially cyst nematode disease, the degree of harm of underground pests is relatively heavy, there is a lack of seedlings broken off ridge phenomenon, the widespread occurrence of wheat grass damage, an area of nearly 3,000 mu. Wheat aphids, wheat spiders occurred in some wheat areas, but none of the control indicators. In mid-December, the province is heavy