Roots under attack: contrasting plant responses to below- and aboveground insect herbivory

The New Phytologist
Scott N JohnsonSusan E Hartley

Abstract

The distinctive ecology of root herbivores, the complexity and diversity of root-microbe interactions, and the physical nature of the soil matrix mean that plant responses to root herbivory extrapolate poorly from our understanding of responses to aboveground herbivores. For example, root attack induces different changes in phytohormones to those in damaged leaves, including a lower but more potent burst of jasmonates in several plant species. Root secondary metabolite responses also differ markedly, although patterns between roots and shoots are harder to discern. Root defences must therefore be investigated in their own ecophysiological and evolutionary context, specifically one which incorporates root microbial symbionts and antagonists, if we are to better understand the battle between plants and their hidden herbivores.

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Citations

Mar 25, 2016·Proceedings. Biological Sciences·Meret HuberMatthias Erb
Sep 15, 2016·Frontiers in Plant Science·Ivan HiltpoldScott N Johnson
Apr 5, 2017·Insect Science·Sergio RasmannEmilio Guerrieri
Jun 27, 2020·Annals of Botany·Christopher F Strock, Jonathan P Lynch
Aug 26, 2020·The New Phytologist·Ruth N WadeColin P Osborne
Jun 27, 2017·Frontiers in Plant Science·M Estrella SantamaríaIsabel Diaz
May 31, 2018·Annals of Botany·Zhun MaoAlexia Stokes
Oct 29, 2020·The New Phytologist·Elena HamannJill T Anderson
Jan 11, 2021·Plant Methods·Iñigo Saiz-FernándezBřetislav Brzobohatý
Jul 17, 2021·BMC Ecology and Evolution·Kirk L BarnettSally A Power
Jul 5, 2021·Molecular Plant·Laramy Enders, Kevin Begcy

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