Repellency of dimethyl disulfide to Apolygus lucorum (Meyer-Dur) (Hemiptera: Miridae) under laboratory and field conditions
文献类型: 外文期刊
第一作者: Lu, Yanhui
作者: Lu, Yanhui;Wyckhuys, Kris A. G.
作者机构:
关键词: Mind bug;Apolygus lucorum;Acaricide;Dimethyl disulfide;Repellent activity;Pest management
期刊名称:CROP PROTECTION ( 影响因子:2.571; 五年影响因子:3.11 )
ISSN: 0261-2194
年卷期: 2013 年 50 卷
页码:
收录情况: SCI
摘要: The mind bug, Apolygus lucorum (Meyer-Dur) (Hemiptera: Miridae), is a major pest of cotton, fruit trees, and many other crops in China. While previous trials have found relatively low infestation levels of A. lucorum in fields treated with the acaricide dimethyl disulfide (DMDS), its mode of action has not been determined. In this study, we assessed the insecticidal and repellent action of DMDS against A. lucorum under laboratory and field conditions. DMDS did not cause mortality of A. lucorum adults or nymphs at concentrations of 10.6 and 170.9 mg a.i./1. In Y-tube olfactometer tests, both male and female A. lucorum adults preferred clean air over DMDS odors. In choice and no-choice cage trials, feeding damage and the number of A. lucorum eggs were lower on mungbean plants treated with DMDS than on control plants. Under field conditions, adult A. lucorum density was lower in DMDS-treated mungbean and cotton fields than in untreated fields, and this effect lasted 6 d, but nymph populations were not affected. Under field conditions, adult A. lucorum were repelled at a distance of up to 6 m from DMDS-sprayed cotton plants for 6 d after application. This study demonstrates the non-lethal repellent action of DMDS against adult A. lucorum and suggests its potential inclusion in integrated pest management (IPM) schemes. (C) 2013 Elsevier Ltd. All rights reserved.
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