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    钟国华,胡美英,章玉苹,周晓梅. 黄杜鹃提取物对小菜蛾的产卵忌避和杀卵作用[J]. 华南农业大学学报, 2000, (3): 40-43. DOI: 10.7671/j.issn.1001-411X.2000.03.011
    引用本文: 钟国华,胡美英,章玉苹,周晓梅. 黄杜鹃提取物对小菜蛾的产卵忌避和杀卵作用[J]. 华南农业大学学报, 2000, (3): 40-43. DOI: 10.7671/j.issn.1001-411X.2000.03.011
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    ZHONG Guo-hua,HU Mei-ying,ZHANG Yu-ping,ZHOU Xiao-mei. Studies on Extracts of Rhododendron molle as Oviposition Deterrentants and Ovicides against Plutella xylostella L.(Lepidoptera: Plutellidae)[J]. Journal of South China Agricultural University, 2000, (3): 40-43. DOI: 10.7671/j.issn.1001-411X.2000.03.011
    Citation: ZHONG Guo-hua,HU Mei-ying,ZHANG Yu-ping,ZHOU Xiao-mei. Studies on Extracts of Rhododendron molle as Oviposition Deterrentants and Ovicides against Plutella xylostella L.(Lepidoptera: Plutellidae)[J]. Journal of South China Agricultural University, 2000, (3): 40-43. DOI: 10.7671/j.issn.1001-411X.2000.03.011
    shu

    黄杜鹃提取物对小菜蛾的产卵忌避和杀卵作用

    Studies on Extracts of Rhododendron molle as Oviposition Deterrentants and Ovicides against Plutella xylostella L.(Lepidoptera: Plutellidae)

      摘要
    • 摘要: 报道了闹羊花素 III(简称R III)和黄杜鹃花乙酸乙酯 (EtOAc)萃取物等对小菜蛾 (PlutellaxylostellaL .)的产卵忌避和杀卵作用 .在非选择性和选择性试验处理后 72h ,R III(ρ =0 5g·L-1)的产卵忌避率分别为 77 5 4%和80 1 3% ,EtOAc萃取物 (ρ =5g·L-1)的忌避率分别为 5 5 86 %和 6 6 0 1 % .经R III和EtOAc萃取物处理后 ,叶背与叶面卵数之比显著变小 ,卵孵化率明显降低 以 ρ =0 1g·L-1R III处理后 5d ,杀卵率可达 6 6 % .

       

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