兰州市槐小卷蛾危害特点  

Damage of Cydia trasias on Sophora japonica in Lanzhou City

作　　者：张兰福 王俊杰 ZHANG Lan-fu;WANG Jun-jie(Qilihe District Sports Bureau of Lanzhou,Lanzhou 730050,China;Gansu Academy of Forestry,Lanzhou 730020,China)

机构地区：[1]兰州市七里河区教育局,甘肃兰州730050 [2]甘肃省林业科学研究院,甘肃兰州730020

出　　处：《甘肃林业科技》2019年第3期25-26,共2页Journal of Gansu Forestry Science and Technology

摘　　要：在兰州槐小卷蛾普遍为害国槐、龙爪槐、蝴蝶槐,多数区域受害株率超过80%,叶片受害率一般低于10%,危害程度轻微。分析认为兰州气候条件有效控制了槐小卷蛾的种群规模。建议结合其他害虫防治的同时进行防治,较重区域结合修剪清除果荚和枯梢;有必要开展虫情监测,以免虫害暴发。Cydia trasias harm Sophora japonica,S.japonica f.pendula,S.japonica f.oligophylla,most areas of the affected strain rate of more than 80%,leaf damage rate is generally less than 10%,the degree of damage is slight.It was concluded that Lanzhou climate controlled the population size of Cydia trasias.It is suggested to combine with other pests control to controlling Cydia trasias,combine pruning to remove pods and dead shoots in the hardest-hit areas;Pest monitoring is necessary to prevent outbreaks.

关 键 词：兰州市 槐小卷蛾 国槐 枯叶 叶腋 果荚 

分 类 号：S792.260.3[农业科学—林木遗传育种]