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2021年一类农作物病虫害将呈重发态势
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2021年一类农作物病虫害将呈重发态势
2021年1月22日,全国农业技术推广服务中心发布了2021年一类农作物病虫害全国发生趋势预报。综合分析病虫源基数、种植制度、作物布局和气候等因素,预计2021年一类农作物病虫害呈重发态势,全国发生面积14.28亿亩(9,520万公顷)次,同比增加17.5%。其中,草地贪夜蛾、草地螟、粘虫、稻飞虱、稻纵卷叶螟、二化螟、小麦蚜虫等害虫,小麦条锈病和赤霉病、稻瘟病、马铃薯晚疫病等流行性病害,将在小麦、水稻、玉米、马铃薯等粮食作物70%以上的产区构成安全风险,需及时采取有效措施防控,努力减轻产量损失;...
Insecticides China News (Chinese version) 202101
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