桑螟发生规律及防治策略
Occurrence regularity and control strategy of Diaphania pyloalis.
白锡川1;杨海江2;洪缨莉3
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DOI：
作者单位：1.浙江省湖州市蚕业管理总站,313000;2.浙江省湖州市菱湖区蚕业指导站,313018;3.浙江省湖州市城区蚕业指导站,313000
中文关键词：桑螟;发生规律;防治
英文关键词：Diaphania pyloalis Walker; occurrence regularity; control
中文摘要：通过室内饲养和大田调查 ,证实湖州地区桑螟DiaphaniapyloalisWalker年发生以 5代为主 ,少数年份有 4代 ;桑螟成灾主要集中在第 4,5代。大田桑螟消长同气候、养蚕形式、天敌、防治水平有密切关系 ,不同年份之间发生时间、数量差异很大。桑螟防治方法 :以调整养蚕布局为
英文摘要：The occurrence regularity and control methods of Diaphania pyloalisWalker were studied with raising in laboratory and investigating in fields. The results showed that Diaphania pyloalis had 5 generations each year in Huzhou District, but 4