一为了彻底消灭农作物病虫害,保征农业生产更大丰收,各地必须在越冬中进行灭虫工作。历年来,病虫害严重的威胁着农作物正常生长和收成,根据调查:我省共有病虫害三百多种,其中为害最严重的有小麦锈病、黑穗病、线虫病、麦蜘蛛、吸浆虫,棉花蚜虫、红蜘蛛、红铃虫,玉米螟、谷子钻心虫、粘虫、蝗虫、地下虫,马铃薯晚疫病,甘 In order to completely eradicate pests and diseases of crops and to ensure greater harvests in agricultural production, pest control work must be carried out throughout the winter. Over the years, pests and diseases have seriously threatened the normal growth and harvest of crops. According to the survey, there are over 300 pests and diseases in our province, of which the most serious are wheat rust, smut, nematode, wheat spider, midge, cotton aphid, Red spider, pink bollworm, corn borer, millet borer, armyworm, locust, underground insects, potato late blight, sweet