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安徽省植保总站预计,全省夏秋季棉花主要病虫总体呈中等偏重发生程度,其中四代棉盲蝽沿江中西部中等偏重发生,发生高峰期在8月下旬,发生面积240万亩;四代棉铃虫沿江中东部中等偏重发生,产卵盛期8月15～24日,发生面积180万亩;四代斜纹夜蛾、甜菜夜蛾沿江中西部中等偏重发生,发生面积240万亩;棉枯黄萎病中等发生,8月下旬～9月上旬将进入第二发病高峰,发生面积180万亩;棉蚜、棉叶螨中等发生,发生高峰在8月中下旬,发生面积150万亩。专家建议,棉花中后期要以棉铃虫、斜纹夜蛾、棉盲蝽
Plant Protection Station in Anhui Province predicts that the main pests and diseases of cotton in summer and autumn in the province will appear moderately heavier. Among them, the fourth generation of cotton bugs occur moderately in the central and western parts of China. The peak occurs in late August with an area of 2.4 million mu. Helicoverpa armigera occurred in the central and eastern parts of Sichuan Province. The spawning period was from August 15 to August 24, with an area of 180 mu. Four generations of Spodoptera exigua and Spodoptera exigua occurred moderately along the central and western regions, with an area of 2.4 million mu. Verticillium wilt occur moderately in late August ~ early September will enter the second peak incidence, the area of 180 mu; cotton aphids, cotton spider mites occur moderately, the peak occurred in late August, occurred in an area of 150 mu. Experts suggest that cotton bollworm, Spodoptera litura, cotton laceworm in the late period of cotton