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据山东省农作物病虫测报站日前测报,今年上半年,山东省棉花病虫总体呈中等至偏重发生趋势。据分析,棉花病虫主要有棉铃虫、棉盲蝽、棉苗蚜、棉苗病、棉花黄枯萎病等。其中二代棉铃虫大发生,局部偏重发生,发生面积1400万亩。一代为轻发
According to the report of Shandong Province Plant Diseases and Insect Pests Report recently, in the first half of this year, the overall incidence of cotton pests and diseases in Shandong Province was moderate to biased. According to analysis, cotton pests mainly cotton bollworm, cotton laceworm, cotton seedling aphid, cotton seedling disease, cotton yellow blight and so on. The second generation of cotton bollworm occurred, partial emphasis occurred, the occurrence of an area of 1400 mu. A generation of light hair