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塑料大棚、温室及土壕子等保护地黄瓜蚜虫为害严重,用熏蚜颗糖剂二号进行防治优于乐果、菊酯类农药,且效果好,控制时间长,方法简便,无残毒。 1.试验设计及使用方法 试验分熏蚜颗粒剂二号防蚜、乐果或氧化乐果600—800倍液常规喷雾防蚜及不用药对照3块保护地进行。我们所用的熏蚜颗粒剂二号由辽宁省农科院植保所提供,每亩用2袋药熏蒸12—24小时防治黄瓜蚜虫。
Plastic greenhouses, greenhouses and soil moat protection cucumber aphids serious damage, with smoked aphid Triterpenium No. 2 to control better than dimethoate, pyrethroid pesticides, and the effect is good, long-term control, the method is simple, non-toxic. 1. Experimental design and use of test points Smoked aphids granules on the 2nd aphid, dimethoate or omethoate 600-800 times the conventional spray aphids and no drug control 3 protected areas. The smoked aphid granules we used on the 2nd by the Liaoning Provincial Academy of Agricultural Sciences plant protection provided with 2 bags per acre fumigation 12-24 hours of cucumber aphids.