In three separate field trials - the most recent in Sudan last year - Hassanali's team showed that even minute doses of PAN could stop hopper bands dead in their tracks and make them break ranks.

在分别进行的三个实地试验中—最近一次是去年在苏丹开展的—哈桑·纳尼的小组所展示的结果表明，即便是微量的PAN便可完全阻止蝗蝻带的行进，使其溃不成军。