Effect of nicosulfuron on chlorophyll content of marandu-grass cultivated in crop-forest-livestock integration systems

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dc.creatorEvander Alves Ferreira
dc.creatorMárcia Vitória Santos
dc.creatorLeandro Diego Silva
dc.creatorPriscila Júnia Rodrigues da Cruz
dc.creatorRaul Ribeiro Silveira
dc.creatorIgor Costa Freitas
dc.creatorLeidivan Almeida Frazão
dc.creatorAlcinei Místico Azevedo
dc.creatorGustavo Antônio Mendes Pereira
dc.creatorThiago Gomes dos Santos Braz
dc.date.accessioned2022-09-28T13:39:54Z
dc.date.accessioned2025-09-09T00:45:29Z
dc.date.available2022-09-28T13:39:54Z
dc.date.issued2020
dc.description.sponsorshipCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
dc.description.sponsorshipOutra Agência
dc.identifier.doi10.21475/ajcs.20.14.12.2631
dc.identifier.issn1835-2707
dc.identifier.urihttps://hdl.handle.net/1843/45662
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofAustralian Journal of Crop Science
dc.rightsAcesso Aberto
dc.subjectPlantas forrageiras
dc.subjectCapim-braquiaria
dc.subjectPlantas - Efeito dos herbicidas
dc.subjectClorofila - Análise
dc.subjectAgrossilvicultura
dc.titleEffect of nicosulfuron on chlorophyll content of marandu-grass cultivated in crop-forest-livestock integration systems
dc.typeArtigo de periódico
local.citation.epage1882
local.citation.issue12
local.citation.spage1876
local.citation.volume14
local.description.resumoThe aim of this work was to study the effect of sub-doses of herbicide nicosulfuron on the levels of chlorophyll and growth of marandu-grass in an forest-livestock integration system. The treatments consisted of eucalyptus consortium with sorghum (BRS 655 hybrid) and forage Urochloa brizantha cv. Marandu (marandu-grass) at 12×2 and 12×3 m spacings in agroforestry systems, in addition to sorghum + marandu-grass and marandu-grass in monoculture. The doses of nicosulfuron applied at the marandu-grass were 0, 15 and 30 g ha-1. At 30 and 120 days after the application of nicosulfuron, chlorophyll a and chlorophyll b were measured usinf a portable chlorophyll meter, with six measurements per plant. Afterwards, the total chlorophyll content and chlorophyll a/b were calculated. We also measured the mass of the total dry matter of marandu-grass and growth rate of the culture. Marandu-grass plants cultivated in monoculture showed higher quantities of chlorophyll and the highest growth rates. The levels of chlorophyll a, b and chlorophyll a/b and the growth rate of marandu grass were similar between systems integrated with eucalyptus (12x2 and 12x3 m). The increase of herbicide dose negatively influenced on chlorophyll content in marandu-grass in all treatments evaluated. The use of nicosulfuron in doses of 25 and 50 g L-1 reduced the growth rate of marandu grass only when grown in monoculture.
local.publisher.countryBrasil
local.publisher.departmentICA - INSTITUTO DE CIÊNCIAS AGRÁRIAS
local.publisher.initialsUFMG
local.url.externahttps://www.cropj.com/december2020.html

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