Antifeedants against Locusta migratoria from the Japanese Cedar, Cryptomeria japonica II

Bin WU; Takehiro KASHIWAGI; Ikuhiro KURODA; Xiao Hui CHEN; Shin-ich TEBAYASHI; Chul-Sa KIM

doi:10.1271/bbb.70610

Organic Chemistry Notes

Antifeedants against Locusta migratoria from the Japanese Cedar, Cryptomeria japonica II

Bin WU, Takehiro KASHIWAGI, Ikuhiro KURODA, Xiao Hui CHEN, Shin-ich TEBAYASHI, Chul-Sa KIM

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Keywords: Locusta migratoria, Cryptomeria japonica, antifeedant, (+)-ferruginol, (−)-cubebol

JOURNAL FREE ACCESS

2008 Volume 72 Issue 2 Pages 611-614

DOI https://doi.org/10.1271/bbb.70610

View "Advance Publication" version (February 7, 2008).

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Abstract

A methanol extract of Cryptomeria japonica completely inhibited feeding by Locusta migratoria. Based on bioassay-guided fractionation, two active terpenols, (+)-ferruginol and (−)-cubebol, were isolated and identified as antifeedants against this insect species. Each compound separately showed weak activity, but they showed intense activity against this insect species when they were combined.

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