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PP_(321)商品名称功夫,是英国卜内门化学工业有限公司研制的最新拟除虫菊酯类杀虫剂,具有触杀、胃毒和驱赶害虫的作用,并能抑制螨类的聚集为害,无熏蒸和内吸作用,杀虫谱广,低毒.1985年,我们用2.5%PP_(321)乳油进行了防治棉铃虫和棉叶螨试验.防治棉铃虫的试验于7月18日至8月1日在沙湾县乌拉乌苏乡头浮三队进行.试验设亩喷2.5%PP_(321)乳油26.6、33.3、40毫升和2.5%溴氰菊酯33.3毫升共4个药剂处理,以喷清水为对照,重复三次,小区面积135平方米,随机排列,于棉铃虫第二代产卵盛
PP_ (321) Kung Fu, the United Kingdom Bu Neimen Chemical Industry Co., Ltd. developed the latest pyrethroid insecticides, with contact kill, stomach poisoning and repellent pests, and can inhibit the accumulation of mites damage, no fumigation And systemic action, broad insecticidal spectrum, low toxicity.In 1985, we used 2.5% PP_ (321) EC for cotton bollworm and cotton spider mite test .To test the cotton bollworm test from July 18 to August 1 Day in Wuwan Wu Township, Shawan County head floating three teams to test mu plot spray 2.5% PP_ (321) EC 26.6,33.3,40 ml and 2.5% deltamethrin 33.3 ml a total of four agents to spray water As a control, repeated three times, the plot area of 135 square meters, arranged randomly, in the second generation of cotton bollworm spawning Sheng