据山西省农作物病虫测报站预计,棉花苗期蚜虫今年在该省芮城、永济、盐湖、临猗等主产棉县偏重发生。危害盛期在5月中下旬,较历年推迟3~5天,接近去年。发生面积80万亩。5月份,山西主产棉区运城、临汾两市降水较常年偏少1~2成,气温略高,便于棉花苗期蚜虫繁殖危害。 According to the forecast of pests and diseases stations in Shanxi Province, cotton seedling aphids this year in the province Ruicheng, Yongji, Salt Lake, Linqu and other major cotton counties happen. Hazard peak in late May, postponed 3 to 5 days over calendar year, close to last year. Occurred area of ​​80 mu. In May, the main cotton producing areas in Yuncheng, Linfen, Shanxi, two cities less than normal rainfall 1-2%, slightly higher temperature, ease of cotton seedling aphids breeding hazards.