| 江汉平原地膜棉田二代红铃虫种群动态研究 |
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| 引用本文： | 王瑞琪,黄民松,樊孝贤,万鹏,齐立,周柏龄. 江汉平原地膜棉田二代红铃虫种群动态研究[J]. 棉花学报, 1998, 0(6) |
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| 作者姓名： | 王瑞琪 黄民松 樊孝贤 万鹏 齐立 周柏龄 |
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| 作者单位： | 湖北省农科院植保所，湖北省荆州市植保站 |
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| 摘 要： | 根据１９８６～１９９５年历时１０ａ的系统观察资料，以同期移栽露地棉田为对照，对江汉平原地膜棉田二代红铃虫的种群动态进行了统计分析及较系统的研究。结果表明，地膜、露地两类棉田二代红铃虫的种群数量及田间发生动态均存在显著差异。１０ａ平均，地膜棉田二代红铃虫累计卵量是露地棉田的３．４倍；平均有卵株率是露地棉田的２．８倍；年发生程度较露地棉田提高１．７级；每年７次调查达到防治指标的次数年平均比露地棉田多２次，有些年份多达４～５次；实际需要用药防治的次数平均每年比露地棉田增加１次，有些年份增加２～３次。
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| 关 键 词： | 江汉平原 地膜棉 二代 红铃虫 种群动态 |
A Study on the Population Dynamics of the Second Generation of Pink Bollworm in Cotton Field with Film Mulching in Jianghan Plain |
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| Wang Ruiqi Huang Minsong Fan Xiaoxian Wan Peng Plant Protection Institute,Academy of Agricultural Sciences,Wuhan Qi Li Zhou Bailing Jingzhou Station of Plant Protection,ShaShi. A Study on the Population Dynamics of the Second Generation of Pink Bollworm in Cotton Field with Film Mulching in Jianghan Plain[J]. Cotton Science, 1998, 0(6) |
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| Authors: | Wang Ruiqi Huang Minsong Fan Xiaoxian Wan Peng Plant Protection Institute Academy of Agricultural Sciences Wuhan Qi Li Zhou Bailing Jingzhou Station of Plant Protection ShaShi |
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| Affiliation: | Wang Ruiqi Huang Minsong Fan Xiaoxian Wan Peng Plant Protection Institute,Academy of Agricultural Sciences,Wuhan 430064 Qi Li Zhou Bailing Jingzhou Station of Plant Protection,ShaShi 434129 |
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| Abstract: | |
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| Keywords: | Jianghan Plain mulched cotton second generation pink bollworm population dynamics |
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