【摘要】 通过室内饲养试验和田间试验两种方法对"保林制剂"注杆防治美国白蛾进行研究,结果表明"保林制剂"注杆防治美国白蛾有很好的防治效果。"保林制剂"注杆防治美国白蛾的最佳用药量为1.5 mL/cm。"保林制剂"存放3 a以后药效有所降低,但是仍能达到乙酰甲胺磷的防治效果。更多还原

【Abstract】 The test of controlling Hyphantria cunea by "Baolin Preparations" trunk injection were studied in the field and laboratory.The results showed that the control effects of "Baolin Preparations" were better.It’s better to use pesticide 1.5 mL/cm.The storage time of "Baolin Preparations" was more than three years could reduce pesticide efficiency,but it was matched controlling effect by Orthene.更多还原