Trophic complexity and the adaptive value of damage-induced plant volatiles.

Indirect plant defenses are those facilitating the action of carnivores in ridding plants of their herbivorous consumers, as opposed to directly poisoning or repelling them. Of the numerous and diverse indirect defensive strategies employed by plants, inducible volatile production has garnered the m...

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Autor principal:	Ian Kaplan
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2012
Materias:	Biology (General) QH301-705.5
Acceso en línea:	https://doaj.org/article/0166ad5df97b4234a97cf297e3d28f1d
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spelling	oai:doaj.org-article:0166ad5df97b4234a97cf297e3d28f1d2021-11-18T05:37:20ZTrophic complexity and the adaptive value of damage-induced plant volatiles.1544-91731545-788510.1371/journal.pbio.1001437https://doaj.org/article/0166ad5df97b4234a97cf297e3d28f1d2012-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23209381/pdf/?tool=EBIhttps://doaj.org/toc/1544-9173https://doaj.org/toc/1545-7885Indirect plant defenses are those facilitating the action of carnivores in ridding plants of their herbivorous consumers, as opposed to directly poisoning or repelling them. Of the numerous and diverse indirect defensive strategies employed by plants, inducible volatile production has garnered the most fascination among plant-insect ecologists. These volatile chemicals are emitted in response to feeding by herbivorous arthropods and serve to guide predators and parasitic wasps to their prey. Implicit in virtually all discussions of plant volatile-carnivore interactions is the premise that plants "call for help" to bodyguards that serve to boost plant fitness by limiting herbivore damage. This, by necessity, assumes a three-trophic level food chain where carnivores benefit plants, a theoretical framework that is conceptually tractable and convenient, but poorly depicts the complexity of food-web dynamics occurring in real communities. Recent work suggests that hyperparasitoids, top consumers acting from the fourth trophic level, exploit the same plant volatile cues used by third trophic level carnivores. Further, hyperparasitoids shift their foraging preferences, specifically cueing in to the odor profile of a plant being damaged by a parasitized herbivore that contains their host compared with damage from an unparasitized herbivore. If this outcome is broadly representative of plant-insect food webs at large, it suggests that damage-induced volatiles may not always be beneficial to plants with major implications for the evolution of anti-herbivore defense and manipulating plant traits to improve biological control in agricultural crops.Ian KaplanPublic Library of Science (PLoS)articleBiology (General)QH301-705.5ENPLoS Biology, Vol 10, Iss 11, p e1001437 (2012)
institution	DOAJ
collection	DOAJ
language	EN
topic	Biology (General) QH301-705.5
spellingShingle	Biology (General) QH301-705.5 Ian Kaplan Trophic complexity and the adaptive value of damage-induced plant volatiles.
description	Indirect plant defenses are those facilitating the action of carnivores in ridding plants of their herbivorous consumers, as opposed to directly poisoning or repelling them. Of the numerous and diverse indirect defensive strategies employed by plants, inducible volatile production has garnered the most fascination among plant-insect ecologists. These volatile chemicals are emitted in response to feeding by herbivorous arthropods and serve to guide predators and parasitic wasps to their prey. Implicit in virtually all discussions of plant volatile-carnivore interactions is the premise that plants "call for help" to bodyguards that serve to boost plant fitness by limiting herbivore damage. This, by necessity, assumes a three-trophic level food chain where carnivores benefit plants, a theoretical framework that is conceptually tractable and convenient, but poorly depicts the complexity of food-web dynamics occurring in real communities. Recent work suggests that hyperparasitoids, top consumers acting from the fourth trophic level, exploit the same plant volatile cues used by third trophic level carnivores. Further, hyperparasitoids shift their foraging preferences, specifically cueing in to the odor profile of a plant being damaged by a parasitized herbivore that contains their host compared with damage from an unparasitized herbivore. If this outcome is broadly representative of plant-insect food webs at large, it suggests that damage-induced volatiles may not always be beneficial to plants with major implications for the evolution of anti-herbivore defense and manipulating plant traits to improve biological control in agricultural crops.
format	article
author	Ian Kaplan
author_facet	Ian Kaplan
author_sort	Ian Kaplan
title	Trophic complexity and the adaptive value of damage-induced plant volatiles.
title_short	Trophic complexity and the adaptive value of damage-induced plant volatiles.
title_full	Trophic complexity and the adaptive value of damage-induced plant volatiles.
title_fullStr	Trophic complexity and the adaptive value of damage-induced plant volatiles.
title_full_unstemmed	Trophic complexity and the adaptive value of damage-induced plant volatiles.
title_sort	trophic complexity and the adaptive value of damage-induced plant volatiles.
publisher	Public Library of Science (PLoS)
publishDate	2012
url	https://doaj.org/article/0166ad5df97b4234a97cf297e3d28f1d
work_keys_str_mv	AT iankaplan trophiccomplexityandtheadaptivevalueofdamageinducedplantvolatiles
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Trophic complexity and the adaptive value of damage-induced plant volatiles.

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