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一、发生趋势根据四川省各地前期病虫实况、常年病虫发生情况及未来天气趋势综合分析,四川省农业厅植保站预计2016年全省秋季蔬菜主要病虫害总体中等发生、局部偏重(3(4)级),主要病虫害有霜霉病、灰霉病、疫病、小菜蛾、斜纹夜蛾、豆野螟等。其中霜霉病预计中等发生、局部偏重(3(4)级);灰霉病预计中等发生、局部偏重(3(4)级);辣椒疫病预计中等发生(3级);小菜蛾、菜青虫预计中等发生、川西局部偏重(3(4)级);斜纹夜蛾、棉铃虫等夜蛾科害虫预
I. Trend According to the comprehensive analysis of pest and disease occurrences, pest and disease occurrences in all parts of Sichuan Province and the weather trends in the future, the Plant Protection Station of Sichuan Provincial Department of Agriculture predicts that the main pests and diseases of vegetables will fall moderately in mid-autumn in 2016, with partial emphasis (3 (4 ) Level), the main pests and diseases downy mildew, gray mold, disease, diamondback moth, Spodoptera frugiperda, bean field borer and so on. Among them, downy mildew is expected to occur moderately and locally (3 (4)). Botrytis cinerea is expected to occur moderately and locally (3 (4) Expected to occur moderately, western Sichuan partial emphasis (3 (4) level); Spodoptera litura, cotton bollworm and other noctua pests pre-