通过在柑桔树上喷施乙烯利，促进柑桔落果，从而断绝柑桔大食蝇的产卵场所，使其断代，以达到逐步根除柑桔大食蝇的目的。一、材料与方法１．供试药剂：４０％乙烯利２．试验方法：该试验设三种不同浓度的处理：①４０％乙烯利１５０倍；②４０％乙烯利２００倍；③４０％乙烯 By spraying ethephon on the citrus tree and promoting the fall of the citrus, the spawning place of the citrus fruit fly is cut off and replaced, so as to achieve the purpose of gradually eradicating the citrus fruit fly. First, materials and methods 1. Test agents: 40% ethephon 2. Test Methods: The experiment set three different concentrations of treatment: ① 40% ethephon 150 times; ② 40% ethephon 200 times; ③ 40% ethylene