拟除虫菊酯类农药,是近代发展起来的新型杀虫剂.具有广谱、高效、击倒快、低毒低残留等特点,已在农林害虫防治中广泛应用,现将其防治枣尺蠖方法简介如下:1、适宜使用浓度.国产20%杀灭菊酯乳剂7500-10000溶液,20%除虫菊酯乳剂7500溶液,2.5%溴氰菊酯乳剂15000溶液,以上为一般情况下防治使用浓度.在气温较高(35℃左右)的情况下,溴氰菊酯用30000溶液,杀灭菊酯用1500Q溶液也可收到良好地防治效果,但应注意适当增加喷前次数.2、药液配制法(见下表).根据配药桶的大 Pyrethroid pesticide is a new type of insecticide developed in the modern era.It has the characteristics of broad spectrum, high efficiency, fast knockdown, low toxicity and low residue and has been widely used in the prevention and control of agriculture and forestry pests. As follows: 1, the appropriate use of the concentration of domestic 20% fenvalerate emulsion 7500-10000 solution, 20% pyrethrin emulsion 7500 solution, 2.5% deltamethrin emulsion 15000 solution, the above is generally used in the control concentration. Higher (about 35 ℃), the use of 30000 solution of deltamethrin, fenvalerate with 1500Q solution can also receive a good control effect, but should pay attention to an appropriate increase in spray number of times .2, liquid preparation method (See the table below.) According to the large pharmaceutical barrel