Glyphosate doses should be lower for shaded environments: light and the sensitivity of Euphorbia heterophylla

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dc.creatorGuilherme Augusto de Paiva Ferreira
dc.creatorWilliam Gomes Montes
dc.creatorLuan Mateus Silva Donato
dc.creatorRodrigo Magalhães Faria
dc.creatorLeonardo David Tuffi Santos
dc.date.accessioned2023-11-29T13:55:16Z
dc.date.accessioned2025-09-08T22:59:25Z
dc.date.available2023-11-29T13:55:16Z
dc.date.issued2022-03-31
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.identifier.doihttps://doi.org/10.1080/09670874.2022.2056254
dc.identifier.issn1366-5863
dc.identifier.urihttps://hdl.handle.net/1843/61500
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofInternational Journal of Pest Management
dc.rightsAcesso Restrito
dc.subjectErvas daninhas
dc.subjectHerbicidas
dc.subjectPlantas - Efeito da sombra
dc.subject.otherweed
dc.subject.otherChlorophyll fluorescence
dc.subject.otherdose reduction
dc.subject.otherherbicide control
dc.subject.othershaded environment
dc.titleGlyphosate doses should be lower for shaded environments: light and the sensitivity of Euphorbia heterophylla
dc.typeArtigo de periódico
local.citation.issue3
local.citation.volume68
local.description.resumoThe objective of this study was to evaluate the influence of light and glyphosate doses in the Euphorbia heterophylla control. The experiment was conducted in a factorial scheme. The first factor consisted of plants under full sunlight and two shadings of 40% and 65%, and the second factor represented by doses 0 (control), 370, 740, 1110, 1480 and 1850 g a.e. ha−1 of glyphosate. Shading increased E. heterophylla sensitivity to glyphosate compared to full sunlight. Under shading, the dose of 1110 g ha−1 of glyphosate was efficient in the management of this species, with control higher than 90%. However, under full sunlight, the highest doses achieved control levels around 75%, considered unsatisfactory. The variables fresh weight, quantum yield of photosystem II and electron transport rate of E. heterophylla showed a strong negative correlation with the species control by glyphosate. The glyphosate recommendations for controlling E. heterophylla needs to consider the light conditions in the plant growth environment, as an economically and sustainable practice in the integrated management of the specie.
local.publisher.countryBrasil
local.publisher.departmentICA - INSTITUTO DE CIÊNCIAS AGRÁRIAS
local.publisher.initialsUFMG
local.url.externahttps://www.tandfonline.com/doi/full/10.1080/09670874.2022.2056254

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