Volatile interaction between undamaged plants affects tritrophic interactions through changed plant volatile emission

Plant Signaling & Behavior
Andja VuceticVelemir Ninkovic

Abstract

Volatile interactions between unattacked plants can lead to changes in their volatile emissions. Exposure of potato plants to onion plant volatiles results in increased emission of 2 terpenoids, (E)-nerolidol and TMTT. We investigated whether this is detectable by the ladybird Coccinella septempunctata. The odor of onion-exposed potato was significantly more attractive to ladybirds than that of unexposed potato. Further, a synthetic blend mimicking the volatile profile of onion-exposed potato was more attractive than a blend mimicking that of unexposed potato. When presented individually, TMTT was attractive to ladybirds whereas (E)-nerolidol was repellent. Volatile exchange between unattacked plants and consequent increased attractiveness for ladybirds may be a mechanism that contributes to the increased abundance of natural enemies in complex plant habitats.

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Citations

Oct 20, 2015·Trends in Plant Science·Christina M Caruso, Amy L Parachnowitsch
Aug 30, 2018·The Plant Journal : for Cell and Molecular Biology·Satoru SukegawaGen-Ichiro Arimura
Jul 4, 2019·Plant Signaling & Behavior·Velemir NinkovicDimitrije Markovic
Dec 14, 2018·Frontiers in Plant Science·Rodolfo F SilvaMartín Pareja
Jul 11, 2019·Journal of Experimental Botany·Satpal TuranÜlo Niinemets
May 6, 2020·Scientific Reports·Eliška VicherováVelemir Ninkovic
Dec 1, 2019·Journal of Chemical Ecology·Tigist A TolosaZeyaur R Khan
Dec 5, 2020·Plant, Cell & Environment·Rouhallah Sharifi, Choong-Min Ryu
Oct 14, 2020·Plant, Cell & Environment·Velemir NinkovicMerlin Rensing
Nov 13, 2020·Frontiers in Plant Science·Anja K Meents, Axel Mithöfer
Sep 7, 2021·Frontiers in Plant Science·Velemir NinkovicC Rikard Unelius

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