Defensive function of herbivore-induced plant volatile emissions in nature

被引：1594

作者：

Kessler, A ^{[1
]}

Baldwin, IT ^{[1
]}

机构：

[1] Max Planck Inst Chem Ecol, Dept Mol Ecol, D-07745 Jena, Germany

来源：

SCIENCE | 2001年 / 291卷 / 5511期

关键词：

D O I：

10.1126/science.291.5511.2141

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Herbivore attack is known to increase the emission of volatiles, which attract predators to herbivore-damaged plants in the laboratory and agricultural systems. We quantified volatile emissions from Nicotiana attenuata plants growing in natural populations during attack by three species of leaf-feeding herbivores and mimicked the release of five commonly emitted volatiles individually. Three compounds (cis-3-hexen-1-ol, Linalool, and cis-alpha -bergamotene) increased egg predation rates by a generalist predator; Linalool and the complete blend decreased Lepidopteran oviposition rates. As a consequence, a plant could reduce the number of herbivores by more than 90% by releasing volatiles. These results confirm that indirect defenses can operate in nature.

引用

页码：2141 / 2144

页数：4

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