Light restriction associated with halosulfuron methyl application efficiently reduces the number and mass of tubers of Cyperus rotundus L

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dc.creatorLuan Mateus Silva Donato
dc.creatorGuilherme Augusto de Paiva Ferreira
dc.creatorLeonardo David Tuffi Santos
dc.creatorMatheus Mendes Reis
dc.creatorRodrigo Eduardo Barros
dc.creatorWilliam Gomes Montes
dc.date.accessioned2023-05-29T20:51:52Z
dc.date.accessioned2025-09-08T23:43:06Z
dc.date.available2023-05-29T20:51:52Z
dc.date.issued2022
dc.identifier.doihttps://doi.org/10.1080/03601234.2021.2020531
dc.identifier.issn0360-1234
dc.identifier.urihttps://hdl.handle.net/1843/54140
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofJournal of Environmental Science and Health, Part B: Pesticides, Food Contaminants, and Agricultural Wastes
dc.rightsAcesso Restrito
dc.subjectHerbicidas
dc.subjectOxidantes fotoquimicos
dc.subjectBiomassa
dc.subjectSombras e sombreados
dc.subject.otherHerbicide
dc.subject.otherElectron transport rate
dc.subject.otherPhotochemical efficiency of photosystem II
dc.subject.otherWeed management
dc.titleLight restriction associated with halosulfuron methyl application efficiently reduces the number and mass of tubers of Cyperus rotundus L
dc.typeArtigo de periódico
local.citation.issue1
local.citation.volume57
local.description.resumoThis study evaluated the effect of light availability in the culture environment and the application of a post emergence herbicide, halosulfuron methyl, on the management of Cyperus rotundus. The experiment was arranged in a 2 × 6 factorial design; the first factor was two levels of light availability: photosynthetically active radiation at 1180.4 and 411.6 µmols m−2 s−1, and the second factor was halosulfuron methyl doses from 28.13 to 140.62 g ha−1. Photosynthetic efficiency, biomass allocation, accumulation of starch in tubers, and percentage control of C. rotundus were evaluated from 7 to 28 days after herbicide application. Doses greater than 70.30 g ha−1 of halosulfuron methyl were efficient to control C. rotundus, regardless of light availability. However, C. rotundus was managed faster under full sunlight than under shading. The efficiency of the photosystem, starch accumulation, and biomass formation decreased with increasing doses of halosulfuron methyl. In a shaded environment, a dose of 28.13 g ha−1 was sufficient to reduce 96.74% of the dry mass and 91.33% of the number of C. rotundus tubers. The decrease in light intensity associated with the use of halosulfuron methyl represents a promising practice for the control of C. rotundus.
local.publisher.countryBrasil
local.publisher.departmentICA - INSTITUTO DE CIÊNCIAS AGRÁRIAS
local.publisher.initialsUFMG
local.url.externahttps://pubmed.ncbi.nlm.nih.gov/34962432/

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