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Plants 2018, 7(2), 33; https://doi.org/10.3390/plants7020033

Silicon and Mechanisms of Plant Resistance to Insect Pests

Department of Ecology, Environment and Plant Science, Stockholm University, 10691 Stockholm, Sweden
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Received: 16 January 2018 / Revised: 10 April 2018 / Accepted: 11 April 2018 / Published: 13 April 2018
(This article belongs to the Special Issue Role of Silicon in Plants)
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Abstract

This paper reviews the most recent progress in exploring silicon-mediated resistance to herbivorous insects and the mechanisms involved. The aim is to determine whether any mechanism seems more common than the others as well as whether the mechanisms are more pronounced in silicon-accumulating than non-silicon-accumulating species or in monocots than eudicots. Two types of mechanisms counter insect pest attacks: physical or mechanical barriers and biochemical/molecular mechanisms (in which Si can upregulate and prime plant defence pathways against insects). Although most studies have examined high Si accumulators, both accumulators and non-accumulators of silicon as well as monocots and eudicots display similar Si defence mechanisms against insects. View Full-Text
Keywords: silicon; plant resistance; insects; HIPVs; physical defence; induced defence silicon; plant resistance; insects; HIPVs; physical defence; induced defence
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Alhousari, F.; Greger, M. Silicon and Mechanisms of Plant Resistance to Insect Pests. Plants 2018, 7, 33.

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