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Intermittent exposure to traces of green leaf volatiles triggers a plant response.

ABSTRACT: Plants are known to mount a defensive response when exposed to volatile chemicals from other plants, but the critical concentration required for this response is not known. We showed that intermittent exposure over a period of 3 weeks to trace amounts (less than 140?pptV) of green leaf volatiles emitted by a freshly damaged Arabidopsis plant induced physiological (defensive) responses in undamaged neighbouring plants. These results demonstrated that plants can respond to long-term repeated exposures to subcritical amounts of chemical signals.

SUBMITTER: Shiojiri K 

PROVIDER: S-EPMC3334854 | biostudies-other | 2012

REPOSITORIES: biostudies-other

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Intermittent exposure to traces of green leaf volatiles triggers a plant response.

Shiojiri Kaori K   Ozawa Rika R   Matsui Kenji K   Sabelis Maurice W MW   Takabayashi Junji J  

Scientific reports 20120424

Plants are known to mount a defensive response when exposed to volatile chemicals from other plants, but the critical concentration required for this response is not known. We showed that intermittent exposure over a period of 3 weeks to trace amounts (less than 140 pptV) of green leaf volatiles emitted by a freshly damaged Arabidopsis plant induced physiological (defensive) responses in undamaged neighbouring plants. These results demonstrated that plants can respond to long-term repeated expos  ...[more]

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