摘要
应用烟剂防治落叶松球果种蝇Lasiomma larieiola(Karl.)关键是抓好预测预报和准确掌握防治时机(羽化盛期),通常在五月上旬,用林丹杀虫烟剂防治时,每亩用药量为1kg,每250m为一放烟线,烟点距离5m,其防治效果可达88%左右。
When using smoke agent to control Lasiomma laricola, the key is the forecast of life history and the chance of control (the peak period of emergence, generaly at the first ten days period in May). when using lindane to control the injurious insect, it was used 1kg/mu, the distance of two rankes is 250m, the distance of two points is 5m. Control effect is acout 88%.
出处
《林业科技》
北大核心
1993年第1期21-23,共3页
Forestry Science & Technology
关键词
落叶松
种子
害虫
烟剂
防治
Smoke agent
Control
Lasiomma loricola