论文部分内容阅读
多年来,磷化铝作为熏蒸剂多被人们用来防治仓库害虫。近年来,辽阳市森林病虫害防治站用磷铝防治杨干象、白杨透翅蛾、木蠹蛾等杨树蛀干害虫,杀虫效果可达95％。在杨树蛀干害虫幼虫开始为害期,将0.08克大小的磷化铝块塞入虫孔,然后用黄泥将虫孔封严。由于树液和虫粪的水分与药接触,产生磷化氢剧毒气体,在虫道内形成一个“小熏蒸室”,将害虫杀死。
Over the years, aluminum phosphide as a fumigant and more people are used to control warehouse pests. In recent years, Liaoyang City Forest Pest Control Station with phosphorus and aluminum prevention Yang dry elephant, poplar moth, moth and other poplar borer pests, insecticidal effect of up to 95%. Poplar borer larvae began to damage the stage, the size of 0.08 g of aluminum phosphate block into the wormhole, and then use the yellow mud to seal the wormhole. Due to the contact of the sap and pest excrement with the medicine, poisonous gases of phosphine are produced, forming a “small fumigation chamber” in the labyrinth that kills the pests.