高粱生长发育期间,密度较大,长势繁茂。在七八月份防治高粱蚜虫,天气正处于高温闷热季节。为防止中毒死亡事故,可选用下列药剂。40%氧化乐果毒砂或40％甲胺磷毒砂,每亩0.2斤,对细砂30斤,均匀扬撒;乙基1605颗粒剂(1:100)每亩10斤或40％乐果乳油0.2斤拌30斤细砂扬撒。另外,还可以根据高粱不同生长高度,灵活运用喷雾法和涂茎法,40％氧化乐果1:1,000,1:1,500倍喷雾,甲乐 During the growth and development of sorghum, the density is higher and the growth is lush. July and August prevention of sorghum aphids, the weather is hot and hot in the hot season. To prevent poisoning deaths, the following agents may be used. 40% omethoate or 40% methamidophos arsenic, 0.2 kg per acre, 30 pounds of fine sand evenly spread; Ethyl 1605 granules (1: 100) 10 kg per acre or 40% dimethoate Emulsion 0.2 pounds mixed with 30 pounds fine sand Yang Sha. In addition, sorghum can also be based on different height growth, the use of flexible spray method and the coating method, 40% omethoate 1: 1,000, 1: 1,500 times the spray,