摘要
为有效防 治樗蚕， 采用 树干 注射 ２５ ％ 灭 幼 脲Ⅲ 号悬 浮 剂， １０ ％ 灭 百可 乳 油， ５０ ％ 甲胺磷乳油 ， ２５ ％ 敌 杀死乳 剂等药剂 的 方法， 对樗 蚕１ ～３ 龄 幼 虫进 行 了防 治 试 验。与 对 照相 比，４ 个处理 均达到 极显著水 平， ４ 个 处理之间 也存在 极显著差 异。并 且幼 虫死 亡率 随着 时间 的延长而呈 对数曲线 的趋势 上升。
For controlling silkworms (Philosamia Cynthia Walker et Felder) effectively,experiments with injecting benzoylphenol No 3 SC,cypermethrin EC,methamidophos EC,etc,into the stem were carried out to control 1～3 instar larvae of silkworms. The results showed that four treatments were significantly different compared with control, and there were also sigificant differences among the treatments, and that the larvae mortality inceased with logarithmic curve tendency with time prolonging.
出处
《河北林果研究》
1999年第3期259-261,共3页
Hebei Journal of Forestry and Orchard Research
关键词
樗蚕
树干注射
防治试验
趋势比较
Philosamia cynthia Walker et Felder
stem injection
control
