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水胺硫磷(Optunal)是一种新型有机磷农药,既杀虫又杀卵,可防治多种作物上的红蜘蛛.试验结果表明,喷布40%水胺硫磷200倍,喷后3天调查山楂红蜘蛛虫口数,减
Optunal is a new type of organophosphorus pesticide that can kill and kill eggs and prevent spider mites on many crops.The results showed that spraying 40% Day investigation hawthorn spider insect population, less