梨花象的发生危害及防治

• 作 者: 马跃峰 杜晓莉
• 机 构: 青海大学农学系!西宁810016,青海省农林科学院
• 出 处: 植物保护
• 发表日期: 1996年01期
• 关键词: 危害调查 受害率 花蕾期 碾伯镇 秋子 为害率 沙果 花青 乐都 树皮裂缝

梨花象又名苹花象(Anthonomus pomorum Lin.)。主要危害梨、苹果、沙果、花青、秋子等果树花蕾。过去在青海省未见报道,近年危害日趋严重。据调查沙果花蕾期幼虫为害率在10％～15％,梨、苹果受害率在40％～50％之间,严重者达95％以上。群众说“只见蕾满树,不见梨结果。”针对这一情况,1994～1995年我们在乐都县碾伯镇和高庙镇对该虫进行了发生危害调查和防治。现将结果报道如下。

Eucalyptus, also known as Anthonomus pomorum Lin. The main hazards pear, apple, sand fruit, Cyanine, autumn fruit tree buds. In the past, there was no report in Qinghai Province, and the harm has been getting worse in recent years. According to the investigation of sand bud flower stage larvae damage rate of 10% to 15%, pear, apple damage rate of 40% to 50%, severe cases of more than 95%. The masses said, “I saw Lei Pei trees, pear results can not be seen.” In response to this situation, 1994 ~ 1995, we rode in the town of Bo and Gao Miaozhen conducted a hazard investigation and control of the pest. The results are reported below.