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茶尺蠖是我县茶树主要害虫,在我县各茶区均有发生,1985年曾在徐市村茶场大面积为害,造成很大损失。近年来,我们使用了杀灭菊酯进行防治曾收到较好的防治效果,但由于连续几年的使用,害虫抗药性增强、农药药效下降,现在必须提高喷药液浓度和增加喷药次数,才能收到预期的效果。为更有效地防治茶尺蠖,降低治虫成本,我们试图选择高效新农药功夫(2.5%功夫乳油系英国卜内门化学工业有限公司植物保护部提供的试验农药。
Tea scallions is the main pests of tea in our county, in my tea district have occurred in 1985 in Xu City, a large area tea plantation damage, resulting in great losses. In recent years, we have used the prevention and control of fenvalerate to control and have received better control effects. However, due to the continuous use for several years, the resistance of pests increased and the pesticide efficacy decreased. Now it is necessary to increase the concentration of spraying pesticide and increase the spraying rate The number of times to receive the desired results. In order to control the tea scallop more effectively and reduce the cost of pest control, we tried to choose a highly efficient new pesticide (2.5% Kung Fu EC is the pesticide provided by the Plant Protection Division of BP Inner Mongolia Chemical Industry Co., Ltd.).