20种药用植物乙醇提取物对谷蠹的触杀和驱避活性

›› 2007, Vol. 50 ›› Issue (2): 118-124.

20种药用植物乙醇提取物对谷蠹的触杀和驱避活性

黄衍章，杨长举^*，薛东，Rotimi Oluwafemi AKINKUROLERE，姚英娟

（华中农业大学城市有害生物防治研究所，武汉430070）

出版日期:2007-03-07 发布日期:2007-11-20
通讯作者: 杨长举

Contact and repellency activities of ethanol extracts from twenty medicinal plants against Rhizopertha dominica (Fab.) (Coleoptera: Bostrichidae)

HUANG Yan-Zhang, YANG Chang-Ju, XUE Dong, Rotimi Oluwafemi AKINKUROLERE, YAO Ying-Juan

(The Institute of Urban Pest Control, Huazhong Agricultural University, Wuhan 430070, China)

Online:2007-03-07 Published:2007-11-20
Contact: YANG Chang-Ju

摘要/Abstract

摘要：

采用药膜法和滤纸药膜选择法，分别研究了20种药用植物乙醇提取物对谷蠹Rhizopertha

dominica (Fab.)成虫的触杀和驱避活性。结果表明：触杀效果以葫芦巴Trigonelia foenum-graecum提取物的活性最强，蛇床子Cnidium monnieri和石菖蒲Acorus gramineus提取物次之。葫芦巴提取物0.39 mg/cm² 浓度处理48 h后对谷蠹的触杀死亡率为100%，处理72 h后对谷蠹的LD₅₀为19.94 μg/cm²。蛇床子和乌头Aconitum carmichaeli提取物对谷蠹成虫具有显著的驱避活性。蛇床子提取物同时具有较好的触杀和驱避活性。

关键词: 植物提取物, 触杀, 驱避, 谷蠹, 葫芦巴

Abstract: In this paper we reported the bioactivities of ethanol extracts from 20 medicinal plants against Rhizopertha dominica (Fab.) using drug-film method and filter paper diffusion method. The results of the contact tests showed that the extract of Trigonelia foenum-graecum was most effective on the pest, followed by Cnidium monnieri and Acorus gramineous respectively. At 0.39 mg/cm²treatment, T. foenum-graecum extract showed 100% mortality at 48 h post-treatment. C. monnieri and Aconitum carmichaeli had marked repellence effect against R. dominica. C. monnieri extract had better contact and repellence efficacy. The LD₅₀ of T. foenum-graecum plant extract against R. dominica after 72 h treatment was 19.94 μg/cm².

Key words: Plant extract, contact toxicity, repellency, Rhizopertha dominica (Fab.), Trigonelia foenum-graecum

黄衍章，杨长举^*，薛东，Rotimi Oluwafemi AKINKUROLERE，姚英娟. 20种药用植物乙醇提取物对谷蠹的触杀和驱避活性[J]. , 2007, 50(2): 118-124.

HUANG Yan-Zhang, YANG Chang-Ju, XUE Dong, Rotimi Oluwafemi AKINKUROLERE, YAO Ying-Juan. Contact and repellency activities of ethanol extracts from twenty medicinal plants against Rhizopertha dominica (Fab.) (Coleoptera: Bostrichidae)[J]. , 2007, 50(2): 118-124.

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