板栗嫁接口虫害的发生与防治

• 出 处: 河南林业科技
• 发表日期: 1996年04期
• 关键词: 嫁接口 板栗 板栗兴透翅蛾 虫害 愈伤组织 韧皮部 虫道 幼虫 主干 接口

板栗嫁接口虫害的发生与防治板栗兴透翅蛾常咬伤嫁接口部位的愈伤组织，使接口难以愈合，被害株率达５０％。该虫一年发生两代，以幼虫在主干或接口虫道内越冬，翌年４月初活动为害，６月上旬为第一代卵孵化盛期。幼虫在板栗主干或主枝韧皮部和木质部之间钻蛀为害，造成减...

Chestnut grafting pest occurrence and prevention Chestnut Hing-moth often bite the grafted mouth callus, making the interface difficult to heal, the victim strain rate of 50%. The pest occurs two generations a year, larvae in the trunk or interface worm over the winter, early April next year activities harmful, in early June for the first generation of egg hatching peak. Larvae in chestnut trunk or main branch phloem and xylem boring damage, resulting in reduced ...