【摘要】 采用室内生物测定的方法对"保林制剂"注杆防治杨树杨小舟蛾效果进行试验。结果表明"保林制剂"注杆施药防治杨树杨小舟蛾效果显著,幼虫死亡率在3～5 d内能达到100%。而且一次施药能防治多代杨树杨小舟蛾幼虫危害。更多还原

【Abstract】 The method of room bioassay was used to test the effect of "Baolin Preparation" inject haulm to prevent and control Micromelalopha troglodyta on Poplars.The results of the test which "Baolin Preparation" inject haulm to prevent and control M.troglodyta on Poplars showed that this method had remarkable effect,larval mortality could reach 100% in 3 ～5 days,furthermore,once spraying could control the multi-generation M.troglodyta larvae hazards on Poplars.更多还原