Anti-termitic activities of essential oils from coniferous trees against Coptotermes formosanus

被引：80

作者：

Cheng, Sen-Sung ^{[1
]}

Chang, Hui-Ting ^{[1
]}

Wu, Chi-Lin ^{[1
]}

Chang, Shang-Tzen ^{[1
]}

机构：

[1] Natl Taiwan Univ, Sch Forestry & Resource Conservat, Taipei 106, Taiwan

来源：

BIORESOURCE TECHNOLOGY | 2007年 / 98卷 / 02期

关键词：

Calocedrus macrolepis var. formosana; Cryptomeria japonica; Chamaecyparis obtusa var. formosana; heartwood; essential oil; Coptotermes formosanus; anti-termitic activity;

D O I：

10.1016/j.biortech.2006.01.006

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

In this study, the anti-termitic activities of 11 essential oils from three species of coniferous tree against Coptotermes formosanus Shiraki were investigated using direct contact application. Results demonstrated that at the dosage of 10 mg/g, the heartwood and sapwood essential oils of Calocedrus macrolepis var. formosana and Cryptomeria japonica and the leaf essential oil of Chamaecyparis obtusa var.f6rmosana had 100% mortality after 5 d of test. Among the tested essential oils, the heartwood essential oil of C. macrolepis var. formosana killed all termites after 1 d of test, with an LC50 value of 2.6 mg/g, exhibiting the strongest termiticidal property. The termiticidal effect of heartwood essential oil was due to its toxicity and its repellent action. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：456 / 459

页数：4

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