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北京市植保站根据冬前病虫基数、品种布局、病虫历史资料,2014年病虫害发生情况及气候预测等综合分析,预计2015年本市粮食作物病虫害总体为中等程度发生,部分病虫偏重发生,发生面积约600万亩次。一、小麦病虫总体为中等程度发生,麦蚜偏重发生,虫害重于病害,发生面积约75万亩次。虫害以麦蚜、吸浆虫、地下害虫为
Based on the comprehensive analysis of pest and disease base, species distribution, pest and disease history data, occurrence of pests and diseases and climate prediction in 2014, the Plant Protection Station of Beijing Municipality predicts that the pests and diseases of food crops in this city will occur moderately in 2015 and some pests and diseases will be prevalent , An area of about 6000000 mu times. First, the overall occurrence of wheat pests and diseases to a moderate extent, wheat aphid emphasis occurred, pests heavier than the disease, an area of about 750,000 mu times. Pests to wheat aphids, Midge, pests underground