【摘要】 柳杉毛虫对乌岩岭自然保护区柳杉产生了严重危害。为了控制这种危害,找出缓解问题的办法,开展了柳杉毛虫的药物防治试验。试验中,对绿得宝生物药剂防治柳杉毛虫(Dendrolimus houi Lajonquiere)的效果进行了不同配比、连续二年使用与否的对比试验。结果表明:林得宝18倍粉的防治效果好于16,20,22倍粉防治的效果;连续两年使用林得宝防治效果比仅用一年更佳。更多还原

【Abstract】 Dendrolimus houi Lajonquiere brought serious influence on Cryptomeria fortunei Hooibrenk in Wuyanlin National Natural Resery. In order to control this harm and find out methods to solve this problem, we studied the forestry prevention and cure of Dendrolimus houi Lajonquiere. The results showed the following: (1) After doing some comparative experiments, it turns out that the effect of the power of the proportion of 1:18 is better than that of 1:16,1:20,1:22 ;and (2) the two years’continuing use of the power is better than that of just one year更多还原