【摘要】 用森得保1 000,1 500,2 000,2 500倍液防治柳杉毛虫幼虫的效果均达到83.2％以上,其中1 500倍液 达96.3％,防治效果显著。更多还原

【Abstract】 The methods of using Bacillus thruringlensis - Abamectin to control the larva of Dendroli-mus latipenis Walker were introduced in this paper. With different consistencies to spray,the effect of 1 000, 1 500, 2000 and 2 500 times can all reach over 83.2% percent. Among them,500 times consis-tercy can reach 96.3% percent. This control effect is remarkable. It’s suitable for controlling large areas of productions.更多还原