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内蒙一机、二机厂的蔬菜温室和塑料大棚,因白粉虱为害使蔬菜损失达30%以上,露地晚熟茄子、菜豆、南瓜及温室秋后栽培的黄瓜、青椒、番茄等,因白粉虱为害全部枯死而绝产。为此,在总结近三年温室白粉虱发生发展趋势和几种防治法效果的基础上,以一机厂温室队为基点,拟定了控制和扑灭越冬虫口,抓好春季预防的综合措施,基本控制了为害。采用的方法是:一、扑灭越冬虫口1981年秋,在温室最后一茬蔬菜收获后,即8～9月份,每栋温室(16间,0.5亩)用6%666粉0.5斤、硫黄粉0.3斤、敌敌畏0.3斤与锯末(屑)混合均匀,分放在
Inner Mongolia, a machine factory, second machine factory greenhouses and plastic greenhouse, due to whitefly damage to the loss of more than 30% of vegetables, exposed late eggplant, beans, pumpkin and cucumber greenhouse cultivation in autumn, green pepper, tomato, etc., due to whitefly All dead and dead. Therefore, on the basis of summing up the trend of greenhouse whitefly occurrence in recent three years and several control methods, a plant greenhouse team was taken as the basic point to draw up a comprehensive measure to control and extinguish the overwintering insects and catch the good in spring prevention. Control the damage. The method used is: First, overwintering insect population In the autumn of 1981, the last crop of vegetables in the greenhouse after harvest, that is, from August to September, each greenhouse (16, 0.5 acres) with 6% 666 powder 0.5 kg, sulfur powder 0.3 kg , Dichlorvos 0.3 kg and sawdust (crumbs) mixed evenly, at points