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桃小食心虫和果树红蜘蛛是我省果树产区的两大害虫,近几年为害日趋严重。为了寻求更有效的防治药剂,我们于1989年在太谷县辛村100多亩苹果园中,进行了用20％灭扫利乳油防治这两种害虫的试验示范。一、材料和方法 (一)材料 1.供试苹果树品种主要是元帅、红星、国光。 2.供试药剂有20％灭扫利乳油(日本产)、50％对硫磷乳油(国产)和40％水胺硫磷乳油(国产)。
Peach mungbean and fruit tree spider mite is the province’s two major pests in fruit producing areas, the increasingly serious harm in recent years. In order to seek more effective prevention and treatment of pesticides, we conducted a pilot demonstration of controlling both pests at a rate of 20% with Liquiri oil in a 100-mu apple orchard in Xin Village, Taigu County in 1989. First, materials and methods (a) material 1 apple tree species for the trial is mainly Marshal, Red Star, Guoguang. 2. The test agents are 20% Cleaner (Japan), 50% parathion EC (domestic) and 40% of the ammonia parathion EC (domestic).