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近年来,在西瓜种植地区使用杀虫剂时,常常会听到瓜农反映一些杀虫剂的药害现象。它们对西瓜造成药害的症状各有不同,因此在防治西瓜田害虫选择农药时,一定要认真加以区别,避免药害的发生。现将生产上对西瓜容易造成药害的几类杀虫剂介绍如下:敌敌畏敌敌畏是生产上使用多年的一种速效、广谱型有机磷杀虫剂。药杀害虫的作用方式为胃毒、触杀和熏
In recent years, when pesticides are used in watermelon growing areas, it is common to hear that melon farmers reflect the phytotoxicity of some pesticides. The symptoms of phytotoxicity caused by watermelon are different from each other. Therefore, when choosing pesticides in pest control of watermelon, they must be carefully distinguished to avoid the occurrence of phytotoxicity. Now on the production of watermelon prone to injury caused by several types of pesticides are described below: DDVP dichlorvos is the production of many years of use of a quick-acting, broad-spectrum organophosphate insecticide. The way pesticides kill pests is stomach poisoning, contact and smoked