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Nat Plants


Title:Plant defence to sequential attack is adapted to prevalent herbivores
Author(s):Mertens D; Fernandez de Bobadilla M; Rusman Q; Bloem J; Douma JC; Poelman EH;
Address:"Laboratory of Entomology, Wageningen University, Wageningen, the Netherlands. Centre for Crop Systems Analysis, Wageningen University, Wageningen, the Netherlands. Laboratory of Entomology, Wageningen University, Wageningen, the Netherlands. erik.poelman@wur.nl"
Journal Title:Nat Plants
Year:2021
Volume:20211014
Issue:10
Page Number:1347 - 1353
DOI: 10.1038/s41477-021-00999-7
ISSN/ISBN:2055-0278 (Electronic) 2055-0278 (Linking)
Abstract:"Plants have evolved plastic defence strategies to deal with the uncertainty of when, by which species and in which order attack by herbivores will take place(1-3). However, the responses to current herbivore attack may come with a cost of compromising resistance to other, later arriving herbivores. Due to antagonistic cross-talk between physiological regulation of plant resistance to phloem-feeding and leaf-chewing herbivores(4-8), the feeding guild of the initial herbivore is considered to be the primary factor determining whether resistance to subsequent attack is compromised. We show that, by investigating 90 pairwise insect-herbivore interactions among ten different herbivore species, resistance of the annual plant Brassica nigra to a later arriving herbivore species is not explained by feeding guild of the initial attacker. Instead, the prevalence of herbivore species that arrive on induced plants as approximated by three years of season-long insect community assessments in the field explained cross-resistance. Plants maintained resistance to prevalent herbivores in common patterns of herbivore arrival and compromises in resistance especially occurred for rare patterns of herbivore attack. We conclude that plants tailor induced defence strategies to deal with common patterns of sequential herbivore attack and anticipate arrival of the most prevalent herbivores"
Keywords:"*Adaptation, Biological Animals *Herbivory Insecta/*physiology Mustard Plant/*physiology Phloem/physiology *Plant Defense Against Herbivory Species Specificity;"
Notes:"MedlineMertens, Daan Fernandez de Bobadilla, Maite Rusman, Quint Bloem, Janneke Douma, Jacob C Poelman, Erik H eng Letter England 2021/10/16 Nat Plants. 2021 Oct; 7(10):1347-1353. doi: 10.1038/s41477-021-00999-7. Epub 2021 Oct 14"

 
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