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科技界人士认为:去年冬季属偏暖年这一现象预计要延至今春。冬季偏暖病虫容易越冬,据全国农技推广中心初步掌握的情况分析,今年全国主要农作物病虫从整体上看是一个偏重发生年,特别是虫害发生将较为严重。由于去年入秋以来,我国北方旱情严重,小麦苗情较差,麦蚜将偏重至大发生,白粉病在西南、江淮及黄淮麦区可能中度流行。另据1998年病虫害防治分析
People in science and technology believe that the phenomenon of warmer years in winter last year is expected to extend to this spring. In winter, it is easy to wintering pests in winter. According to the preliminary analysis of the situation of the National Center for Agricultural Technology Extension and Extension, the main crop pests and diseases in this country as a whole will be a year with a heavy emphasis on occurrence, especially pest occurrence will be more serious. Since the autumn of last year, the drought in northern China was severe, the wheat seedling was poor, the wheat aphid would have been heavily prevalent, the powdery mildew in the southwest, and the JAC and Huanghuai wheat might be moderately prevalent. According to 1998 pest control analysis