摘要
研究结果表明：胶东半岛苹果绵蚜的扩散原因，主要是部分果园管理粗放，其次是气候适宜，寄主种类多，天敌不能有效控害，传播途径多。经测定苹果绵蚜为害苹果的产量损失率为４．１０－３８．８１％。防治苹果绵蚜主要采用刮除树干、枝粗翘皮，铲除根蘖，药液喷树干、枝和灌根，药泥堵树洞，高倍内吸药液涂刷树干、枝等。
Woolly apple aphid,Eriosman lanigerum Hausman,is one of the serious pest of apple tree in Jiaodong area, Shandong Province. The pest can reduce 4.10-38.81% the apple yield.The main factors affect its spread are poor cultivation in some orchards,suitable climate for its propagation, extensive host range and short of natural enemies etc. This pest can be controlled by scraping rough bark, weeding,pulling out root-shoots, spraying or applying insecticides to apple stem, branch or the soil around apple roots, etc.
出处
《华东昆虫学报》
1997年第2期39-45,共7页
Entomological Journal of East China
