Sulfur fertilization increases defense metabolites and nitrogen but decreases plant resistance against a host-specific insect

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dc.creatorNathália Alves dos Santos
dc.creatorNatália Campos Teixeira
dc.creatorJanete Oliveira da Silva Valim
dc.creatorElka Fabiana Aparecida Almeida
dc.creatorMaria Goreti de Almeida Oliveira
dc.creatorWellington Garcia Campos
dc.date.accessioned2023-02-23T14:00:53Z
dc.date.accessioned2025-09-08T23:33:57Z
dc.date.available2023-02-23T14:00:53Z
dc.date.issued2017-10-24
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.description.sponsorshipFAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas Gerais
dc.description.sponsorshipCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
dc.description.sponsorshipOutra Agência
dc.identifier.doi10.1017/s0007485317001018
dc.identifier.issn1475-2670
dc.identifier.urihttps://hdl.handle.net/1843/50312
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.rightsAcesso Restrito
dc.subjectAdubos e fertilizantes
dc.subjectInsetos nocivos
dc.subjectPlantas - Nutrição
dc.subjectRepolho
dc.titleSulfur fertilization increases defense metabolites and nitrogen but decreases plant resistance against a host-specific insect
dc.typeArtigo de periódico
local.citation.epage486
local.citation.issue4
local.citation.spage479
local.citation.volume108
local.description.resumoWe tested the sulfur-modulated plant resistance hypothesis using potted cabbage (Brassica oleracea var. capitata) plants that were grown without and with increasing levels of sulfur fertilization. Changes in plant chemical traits were assessed and developmental performance of Plutella xylostella, a highly host-specific leaf-chewing insect, was followed. Leaf sulfur concentration gradually increased with growing addition of sulfur in soil; however, there was a generalized saturation response curve, with a plateau phase, for improvements in total leaf nitrogen, defense glucosinolates and insect performance. Plutella xylostella performed better in sulfur-fertilized cabbage probably because of the higher level of nitrogen, despite of the higher content of glucosinolates, which are toxic for many non-specialized insects. Despite the importance of sulfur in plant nutrition and production, especially for Brassica crops, our results showed that sulfur fertilization could decrease plant resistance against insects with high feeding specialization.
local.publisher.countryBrasil
local.publisher.departmentICA - INSTITUTO DE CIÊNCIAS AGRÁRIAS
local.publisher.initialsUFMG
local.url.externahttps://www.cambridge.org/core/journals/bulletin-of-entomological-research/article/sulfur-fertilization-increases-defense-metabolites-and-nitrogen-but-decreases-plant-resistance-against-a-hostspecific-insect/00210D7FDF34077F8F52B7502B11967A

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