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一九八二年五月以来,我县采用高效、低毒、低残留的新农药杀灭菊酯,经过两年推广950斤,喷洒茶园面积达7.6万亩次,控制了长期无法消灭的大尺蠖、茶尺蠖等害虫的危害,为茶叶增产刨造条件,取得了显著的经济效果。 我县原是尺蠖类茶树害虫为害的“重灾区”,1976年大尺蠖、茶尺蠖等虫害即开始蔓延,全县二十多个产茶场、队近万亩茶园受害严重,成片茶园茶树叶片被嚼食精光,夏秋茶绝收,并且对翌年的春茶产量、品质也影响很大,年减收约4000担,经济损失达80万元左右。
Since May 1982, my county uses high efficiency, low toxicity, low residue of new pesticides to kill pyrethrins, after two years to promote 950 pounds, sprinkling tea garden area of 7.6 million mu times, controlling the long-term can not be eliminated Scales, tea scallions and other pests, for the production of tea planing conditions, and achieved significant economic results. My county was originally a scabby tea tree pests for the “hardest hit” in 1976, large scallop, tea scallops and other pests that began to spread, the county more than 20 tea plantations, nearly a million acres of tea garden suffered serious damage into tea plantation tea leaves Being chewed, summer and autumn tea absolutely closed, and on the following year’s spring tea production, quality has a great impact, the annual reduction of about 4000 Tam, the economic losses of 800,000 yuan.