薇甘菊提取物对红脉穗螟的产卵忌避及杀卵作用

›› 2014, Vol. 57 ›› Issue (9): 1112-1116.

薇甘菊提取物对红脉穗螟的产卵忌避及杀卵作用

钟宝珠¹, 吕朝军^1,*, 钱军², 覃伟权^1,*, 苟志辉²

（1. 中国热带农业科学院椰子研究所, 海南文昌 571339; 2. 海南省林业科学研究所, 海口 571100）

出版日期:2014-09-20 发布日期:2014-09-20
作者简介: 钟宝珠, 女, 1981年2月生, 河北唐山人, 硕士, 助理研究员, 研究方向为热带害虫无公害防治, E-mail: baozhuz@163.com

Oviposition deterrence and ovicidal activity of Mikania micrantha extracts on Tirathaba rufivena (Lepidoptera: Pyralidae)

ZHONG Bao-Zhu¹, LÜ Chao-Jun1,*, QIAN Jun, QIN Wei-Quan^1,*, GOU Zhi-Hui²

(1. Coconut Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wenchang, Hainan 571339, China; 2. Forestry Research Institute of Hainan Province, Haikou 571100, China)

Online:2014-09-20 Published:2014-09-20

摘要/Abstract

摘要： 【目的】探讨入侵杂草薇甘菊Mikania micrantha对棕榈害虫红脉穗螟Tirathaba rufivena的产卵忌避活性。【方法】采用室内生物测定法，研究薇甘菊不同溶剂提取物对红脉穗螟的产卵忌避作用和杀卵活性。【结果】产卵忌避试验结果表明，薇甘菊各提取物中，以正己烷和三氯甲烷提取物对红脉穗螟的产卵忌避效果最好，两者的选择性忌避率分别为43.64%和44.20%，非选择性忌避率分别为51.60%和59.20%。对卵孵化率的影响显示，各溶剂提取物均对红脉穗螟具有一定的杀卵活性，其中三氯甲烷提取物对卵孵化率的影响最大，校正孵化率最低，仅为53.39%，而且三氯甲烷提取物引起的1龄幼虫的死亡率最高，可达42.64%。在薇甘菊三氯甲烷提取物的不同溶剂萃取物中，正丁醇萃取物对红脉穗螟的产卵忌避和杀卵活性均显著高于其他溶剂萃取物。【结论】薇甘菊提取物具有一定的产卵忌避和杀卵活性，具有用于红脉穗螟的生态防控的潜力。

关键词: 红脉穗螟, 薇甘菊, 提取物, 产卵忌避, 杀卵活性, 忌避率, 卵孵化率

Abstract: 【Aim】This study aims to explore the repellent effect of Mikania micrantha on the palm pest Tirathaba rufivena. 【Methods】The oviposition deterrence and ovicidal activity of M. micrantha extracts with different solvents against T. rufivena were studied with bioassay methods in the laboratory. 【Results】Among different solvent extracts, the M. micrantha extracts from hexane and chloroform had the highest oviposition deterrent activities against T. rufivena, with the deterrent rates of 43.64% and 44.20% in choice test, and 51.60% and 59.20% in non-choice test, respectively. All extracts showed ovicidal activities against T. rufivena, while the chloroform extract showed the strongest impact on hatchability with the lowest corrected egg hatching rate (53.39%) and caused the highest corrected mortality (42.64%) to the 1st instar larvae. Among the different solvent extracts of M. micrantha by chloroform extraction, the butanol extract showed the highest oviposition deterrent and ovicidal activity against T. rufivena. 【Conclusion】M. micrantha extracts show a great application potential in ecological control of T. rufivena based on the oviposition deterrence and ovicidal activity.

Key words: Tirathaba rufivena , Mikania micrantha, extracts, oviposition deterrence, ovicidal activity, deterrent rate, egg hatching rate

钟宝珠，吕朝军，钱军，覃伟权，苟志辉. 薇甘菊提取物对红脉穗螟的产卵忌避及杀卵作用[J]. , 2014, 57(9): 1112-1116.

ZHONG Bao-Zhu, Lü Chao-Jun, QIAN Jun, QIN Wei-Quan, GOU Zhi-Hui.
Oviposition deterrence and ovicidal activity of Mikania micrantha extracts on Tirathaba rufivena (Lepidoptera: Pyralidae)[J]. , 2014, 57(9): 1112-1116.

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