Interspecific hybridization of Eucalyptus as a potential tool to improve the bioactivity of essential oils against permethrin-resistant head lice from Argentina

被引：40

作者：

Ceferino Toloza, Ariel ^{[1
]}

Lucia, Alejandro ^{[1
]}

Zerba, Eduardo ^{[1
,2
]}

Masuh, Hector ^{[1
,2
]}

Ines Picollo, Maria ^{[1
]}

机构：

[1] CITEFA CONICET, Ctr Invest Plagas & Insecticidas, Buenos Aires, DF, Argentina

[2] Univ Nacl Gen San Martin, Escuela Postgrad, Buenos Aires, DF, Argentina

来源：

BIORESOURCE TECHNOLOGY | 2008年 / 99卷 / 15期

关键词：

head lice; Eucalyptus; interspecific hybridization; repellents; fumigants;

D O I：

10.1016/j.biortech.2007.12.067

中图分类号：

S2 [农业工程];

学科分类号：

0828 [农业工程];

摘要：

The essential oils extracted from Eucalyptus grandis, Eucalyptus camaldulensis, Eucalyptus tereticornis, and the hybrids E. grandis x E. camaldulensis, and E. grandis x E. tereticornis were analyzed by GC-MS, and evaluated for their fumigant and repellent effects on permethrin-resistant head lice. Fumigant activity of both hybrids was higher than that for pure species. E. grandis x E. tereticornis and E. grandis x E. camaldulensis showed KT50 values of 12.99 and 13.63 min, respectively. E. grandis, E. camaldulensis, and E. tereticornis showed KT50 values of 25.57, 35.01, and 31.31, respectively. A simple regression analysis revealed a significant correlation between KT50 data and % of 1,8-cineole in these essential oils. Repellency varied from 47.80 +/- 16% to 80.69 +/- 6% for the five Eucalyptus essential oils tested. Interspecific hybridization improves the pediculicidal activity of Eucalyptus essential oils. (C) 2007 Elsevier Ltd. All rights reserved.

引用

页码：7341 / 7347

页数：7

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