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| Initial Report about Control Effect of Six Insecticides against Bemisia tabaci（Gennadius）on Cucumber Plants |
| CUI Wen-qing1,JIN Hong-yun1,LI Chang-ping2,TIAN Zhao-yin1,ZHANG Xiao-lin1,CAO Xin-ming1 |
| 1Plant Protection Station of Tongzhou District,Beijing 101117,China;2Beijing Plant Protection Station,Beijing 100029,China |
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Abstract Field efficacy trials were conducted to determine the effects of six insecticides in controlling Bemisia tabaci（Gennadius）.The results showed that spraying when instar nymphae of Bemisia tabaci just occurred,insecticides as thiamethoxam 25 % WG at 240 g·hm-2,imidacloprid 25 % WP at 210-240 g·hm-2,bifenthrin 25 % EC at 90 mL·hm-2,imidaclothiz 10 % WP at 375-525 g·hm-2,acetamiprid 5 % WP at 600-750 g·hm-2,abamectin 1.8 % EC at 1 249.5 mL·hm-2 all could provide effective control effect against Bemisia tabaci.The above mentioned insecticides and dosages were recommended for application.
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Received: 27 July 2009
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Corresponding Authors:
CUI Wen-qing
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