小麦抽穗后往往受到麦蚜危害,现介绍一种简便易行的防治方法:用80%滴滴畏乳油,每亩用量75克,兑水2.5公斤,先喷在25公斤清砂土上,翻搅均匀,然后撒入麦田,防效很好。用此法要求气温应在20℃以上,以便充分发挥熏蒸杀虫作用。若气温偏低,可将药量增加到每亩100 Wheat heading are often threatened by the wheat aphid, is now introduced a simple and easy control methods: 80% daucoli EC, 75 grams per mu, watered 2.5 kg, the first spray on 25 kg of clear sand, turn Stir evenly, and then thrown into the wheat field, good control effect. This method requires the temperature should be above 20 ℃, in order to give full play fumigation insecticidal effect. If the temperature is low, the dose can be increased to 100 per acre