Journal
PLANT SIGNALING & BEHAVIOR
Volume 10, Issue 3, Pages -Publisher
TAYLOR & FRANCIS INC
DOI: 10.4161/15592324.2014.987522
Keywords
blue willow beetle; herbivore-induced volatile emission; herbivore-specific plant defense response; Populus nigra; Salicaceae
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Funding
- Max Planck Society
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Herbivore-induced plant volatile emission is often considered to be attacker species-specific, but most experimental evidence comes from short lived herbaceous species. In a recent study we showed that black poplar (Populus nigra) trees emit a complex blend of volatiles from damaged leaves when they are attacked by generalist gypsy moth (Lymantria dispar) caterpillars. Minor nitrogenous volatiles were especially characteristic of this blend. Here we show that attack on P. nigra by a beetle species, Phratora vulgatissima (Coleoptera, Chrysomelidae), led to the emission of the same compounds as already observed after caterpillar herbivory, but with striking quantitative changes in the blend. The consequences for attraction of herbivore enemies are discussed.
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