苹果蠹蛾生物学特性及综合防治

Bionomics and integrated control of Laspeyresia pomonella

苹果蠹蛾 Laspeyresia pomonella( Linne)在甘肃省酒泉地区 1年发生 1～ 2代 ,初孵幼虫开始从果实胴部蛀入 ,在果皮下为害 ,再向果心蛀食果肉及种子 ,经 3次脱皮后开始转果为害 ,造成大量果实被害脱落。根据其生活习性提出了综合防治措施 ,蛀果率由 2 1 .5%下降到 1 %以下 ,防治效果达 95%。

Laspeyresia pomonella has one or two generations a year in Jiuquan area,Gansu Province.The young larvae bore into fruit bodies and cause the fall off of the fruits.Integrated control measures were taken against the pest and the control effect is 95%.