论文部分内容阅读
近些年来,枣龟蜡蚧在我市各县蔓延,危害严重,致使枣树树势普遍衰弱,产量明显降低,甚至绝产。为有效地开展好枣龟蜡蚧的药剂防治工作,自1996年以来,我们连续4年开展了除治枣龟蜡蚧试验,并取得了明显效益。1.确定喷药除蚧的有利时期枣龟蜡蚧卵孵化若虫后的第4～5天就披上白色蜡质,并且日益加厚,不易药剂防治。因此药剂除蚧最有效
In recent years, jujube scale wax scale spread in counties in our city, endangering serious, resulting in jujube tree generally weak, yield significantly reduced, or even absolute. In order to effectively carry out the prevention and treatment of the jujube scale larvae, we have carried out the test of removing the jujube scale larvae for four consecutive years since 1996, and achieved significant benefits. 1. Determine the beneficial period of spraying addition to Kuwana Jurassic turtle scale hatching nymph after 4 to 5 days to wear white wax, and increasingly thicker, easy to pesticide control. Therefore, in addition to the most effective pharmaceutical Kuwana