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夏秋季节雨水多,湿度大,虫口密度高,此间使用农药既要注重效果,又要防止人体中毒。因此,在雨季喷施农药时,应注意下面几点: 1.选用内吸性农药。乐果、磷胺、多菌灵、托布律、甲拌磷和1059等内吸性农药,施用4-5天后,80％的有效成分可被作物吸收而产生药效,并在一定的时间内对病虫起到毒杀作用。因此,这些农药很适宜在雨季使用。 2.选用速效性农药。磷胺、敌敌畏、辛硫磷、
Rain and water in summer and autumn, humidity, pest population density, pesticide should not only pay attention to the results here, but also to prevent human poisoning. Therefore, spraying pesticides in the rainy season, should pay attention to the following points: 1. Use systemic pesticides. Dimethoate, dimethoate, carbendazim, topiramate, phorate and 1059, etc. After 4-5 days of application, 80% of the active ingredients can be absorbed by crops to produce efficacy, and at a certain time Within the poisonous insecticide play a role. Therefore, these pesticides are very suitable for use during the rainy season. 2. Use quick-acting pesticides. Phosphamide, dichlorvos, phoxim,