论文部分内容阅读
粟灰螟(二点螟)在赣州地区一年发生四代,第一代对甘蔗危害较大。1975—1979年,我们在近20亩的实验区内进行了性诱研究。将未交配的活雌蛾放在灯罩内或二头相通的玻璃管内,二端用纱布包扎置水盆上,离水面1寸左右,盆内放少量洗衣粉。傍晚放出,次日清晨收回,记载诱捕蛾数。灯罩内的活雌蛾每三天换一次,以保持较高的诱捕力。在实验区内同时安装一支20瓦黑光灯诱捕成虫,并定期系统调查
Milletia borer (two point borer) occurred in Ganzhou four generations a year, the first generation of sugar cane more harmful. From 1975 to 1979, we conducted sexual attraction studies in nearly 20 acres of experimental area. The unpaired live female moths placed in the lampshade or two glass tube connected to both ends of gauze wrap the water basin, about 1 inch from the water surface, put a small amount of detergent in the basin. Evening release, the next morning to recover, record the number of trap moths. Living moths inside the lampshade are changed every three days to maintain a high trapping force. At the same time, a 20-watt black light trap was installed in the experimental area to trap adult worms, and regular systematic investigation