| 冬闲田深水灌溉放养群鸭控制二化螟越冬基数及其为害研究 |
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| 引用本文： | 王争文,陈运康,彭国强. 冬闲田深水灌溉放养群鸭控制二化螟越冬基数及其为害研究[J]. 中国植保导刊, 2005, 25(2): 5-6 |
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| 作者姓名： | 王争文 陈运康 彭国强 |
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| 作者单位： | 湖南省攸县植保站,湖南,攸县,412300 |
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| 摘 要： | 通过大田调查和试验表明,冬闲田春季深水灌溉放养群鸭,20d后对二化螟越冬基数的校正减退率达82.8%,对其1代为害的保苗效果达74.4%,对其2代为害的保穗效果达74.6%。表明该项措施可有效降低螟虫越冬基数和后期螟虫的发生为害。
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| 关 键 词： | 深水灌溉 放养群鸭 越冬基数 发生程度 |
| 文章编号： | 1672-6820(2005)02-0005-02 |
| 修稿时间： | 2004-10-21 |
Study on effects of raising duck in fallow rice fields with deep water against bollworm in winter |
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| WANG Zheng-wem,CHEN Yun-kang,PENG Gou-qiang. Study on effects of raising duck in fallow rice fields with deep water against bollworm in winter[J]. China Plant Protection, 2005, 25(2): 5-6 |
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| Authors: | WANG Zheng-wem CHEN Yun-kang PENG Gou-qiang |
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| Abstract: | Field investigation and experiments indicated that raising duck in f allow rice fields with deep water in winter had good control effects on Chilo su ppressalis, 82 8%of over-winter Chilo suppressalis were drowned or eaten by d ucks after 20 days, 74 4%seedlings damaged by the first generation of Chilo su ppressalis were avoided, and 74 6%by the second generation. |
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| Keywords: | Deep irrigation raising ducks over-winter amounts the incidence level. |
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