Plant-mediated ‘apparent effects’ between mycorrhiza and insect herbivores

Lucy Gilbert, David Johnson

Research output: Contribution to journalArticle

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Abstract

Plants mediate indirect ‘apparent’ effects between above-ground herbivores and below-ground mutualistic mycorrhizal fungi. The herbivore–plant–mycorrhiza continuum is further complicated because signals produced by plants in response to herbivores can be transmitted to other plants via shared fungal networks below ground. Insect herbivores, such as aphids, probably affect the functioning of mycorrhizal fungi by changing the supply of recent photosynthate from plants to mycorrhizas, whereas there is evidence that mycorrhizas affect aphid fitness by changing plant signalling pathways, rather than only through improved nutrition. New knowledge of the transfer of signals through fungal networks between plant species means we now need a better understanding of how this process occurs in relation to the feeding preferences of herbivores to shape plant community composition and herbivore behaviour in nature.
Original languageEnglish
Pages (from-to)100-105
Number of pages6
JournalCurrent Opinion in Plant Biology
Volume26
Early online date17 Jul 2015
DOIs
Publication statusPublished - Aug 2015

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