苦·烟乳油等几种无公害农药防治松阿扁叶蜂的药效对比试验

The Effect of Non-pollution Insecticides on Controlling the Pine Sawfly Larvae(Acantholyda Posticalis Matsumura)

松阿比扁叶蜂是油松主要食叶害虫。采用1．2％苦·烟乳油、3％高渗苯氧威、森得保粉剂对油松阿扁叶蜂防治试验表明．1．2％苦·烟乳油1000-1200倍液3d和5d防治效果达到90％和97％。3％高渗苯氧威3500倍液3d和5d防治效果达到90％和93％。森得保粉剂300g／hm^2剂量3d和5d防治效果达90％～95％；

Acantholyda Posticalis Matsumura is the main defoliator to Chinese pine （Pinus tabulaeformis） . Use of 1.2% Tobacco leaf and sophora flavescens ait oil EC 1000-1200X for controlling pine sawfly larvae can achieve 90% and 97% in effect . The effects of use of 3.0% fenoxyearb oil reached 90%~93% in 3d and 5d. Prevention effect are over 90% and 95% in 3d and 5d with sendebao powder.