摘要
应用 16 %虫线清乳油处理松材线虫病枯死木 ,对使用浓度、时机、处理方法和效果检查标准等技术细则进行了系统研究。结果表明 :最适合的药剂使用浓度在冬季为 6 .7ml/L ;在夏季为 5ml/L ;将疫木剥皮分段处理的杀虫效果明显比直接喷雾处理的好 ;处理枯死木时机选择在松褐天牛幼虫期杀虫效果好 ;处理松材线虫病枯死木的效果检查标准为 ,喷药后的第 5天和第 15天进行检查松褐天牛死亡率 ,要分别大于75 %和 95 %。
A series experiments was made to acquired the technolog y detailed rules of dealing with dead trees caused by the pine wilt disease by usi ng 16% Chongxianqing EC. The proper concentration of the pesticide for controlli ng the dead trees are 6.7 ml/L in winter and 5.0 ml/L in summer, the best treatm ent method is barking the dead trees, intercepting them into log segments and th en spraying the pesticide, the better treatment time is the larvae period of the Japanese pine sawyer, And the best treatment effect examined standard are the m otality rate of Japanese pine sawyers were 75.0% and 95.0% respectively on the 5 th and 15th day after spraying the insecticide.
出处
《广东林业科技》
2004年第4期23-26,共4页
Forestry Science and Technology of Guangdong Province
关键词
虫线清乳油
防治
松材线虫病
药效试验
Chongxianqing EC, Bursaphelenchus xylophilus, techno logy detailed rules
