【摘要】 通过应用3%高效氯氰菊酯微囊悬浮剂30倍、40倍、50倍稀释液,用背负式机动喷雾机针对1.5m以下竹干和地面进行低容量喷雾,来对黄脊竹蝗进行防治试验,结果表明:低容量喷雾后,形成从竹干到地面的药剂封闭层,杀灭初孵跳蝻,药后30d对黄脊竹蝗防效分别为97.3%、92.6%、81.1%,表现出良好的持效性和防治效果。更多还原

【Abstract】 Applying 3% cypermethrin 30,40 & 50 times microcapsule suspension dilution,prevention experiments on Ceracris kiangsu were conducted by using motorized knapsack sprayer with low volume spray on branch of bamboo and ground under 1.5m.Result shows that medicament sealing layer was formed from branch of bamboo to the ground after spraying with low volume;the larvae at the beginning of incubation were killed;the control effect on Ceracris kiangsuis 97.3%,92.6% &81.1%respectively after 30 days by spraying the drug,showing agood holding effect and control effect.更多还原