Leaf anatomy of 'Marandu' grass cultivated in plant arrangements in agrosilvopastoral systems

Detalhes bibliográficos
Autor(a) principal: Santos, Marcia Vitoria
Data de Publicação: 2018
Outros Autores: Ferreira, Evander Alves, Cruz, Priscila Junia Rodrigues da, Ribeiro, Victor Hugo Vidal, Alencar, Brenda Thaís Barbalho, Cabral, Cássia Michelle, Francino, Dayana Maria Teodoro, Aspiazú, Ignácio
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Pesquisa Agropecuária Brasileira (Online)
Texto Completo: https://seer.sct.embrapa.br/index.php/pab/article/view/25716
Resumo: The objective of this work was to evaluate the effects of different arrangements of eucalyptus plants on the morphoanatomical characteristics of leaf blades of 'Marandu' grass [(Urochloa brizantha (Syn. Brachiaria brizantha)] plants cultivated in agrosilvopastoral systems. The experiment was set in field conditions in a randomized complete block design with four replicates, in which the plots were represented by planting spacings of eucalyptus (12x2 and 12x4 m), and the subplots, by the distance between 'Marandu' grass and eucalyptus rows (6, 4, and 2 m). A control was added, composed by 'Marandu' grass cultivated in full sun. Variables of the leaf anatomy of 'Marandu' grass were evaluated for shading interference by trees. The distance of 'Marandu' grass plants from the eucalyptus lines interfered with the leaf blade anatomy of the forage, and the highest modifications occurred in linear measures and tissue proportions in the arrangements with the highest eucalyptus density. The shading interference of eucalyptus on the anatomical characteristics of leaf blades of 'Marandu' grass depends on the adopted arrangement. This occurs due to the grass adaptation to the low-light incidence, with a consequent reduction in its physiological activity and growth.
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spelling Leaf anatomy of 'Marandu' grass cultivated in plant arrangements in agrosilvopastoral systemsAnatomia foliar de capim-marandu cultivado em arranjos de plantio em sistemas agrossilvipastorisUrochloa brizantha; agroforestry systems; forest-livestock-crop integration; morphoanatomical characteristicsUrochloa brizantha; sistemas agroflorestais; integração lavoura-pecuária-floresta; características morfoanatômicasThe objective of this work was to evaluate the effects of different arrangements of eucalyptus plants on the morphoanatomical characteristics of leaf blades of 'Marandu' grass [(Urochloa brizantha (Syn. Brachiaria brizantha)] plants cultivated in agrosilvopastoral systems. The experiment was set in field conditions in a randomized complete block design with four replicates, in which the plots were represented by planting spacings of eucalyptus (12x2 and 12x4 m), and the subplots, by the distance between 'Marandu' grass and eucalyptus rows (6, 4, and 2 m). A control was added, composed by 'Marandu' grass cultivated in full sun. Variables of the leaf anatomy of 'Marandu' grass were evaluated for shading interference by trees. The distance of 'Marandu' grass plants from the eucalyptus lines interfered with the leaf blade anatomy of the forage, and the highest modifications occurred in linear measures and tissue proportions in the arrangements with the highest eucalyptus density. The shading interference of eucalyptus on the anatomical characteristics of leaf blades of 'Marandu' grass depends on the adopted arrangement. This occurs due to the grass adaptation to the low-light incidence, with a consequent reduction in its physiological activity and growth.O objetivo deste trabalho foi avaliar os efeitos de diferentes arranjos de plantas de eucalipto sobre as características morfoanatômicas de lâminas foliares de plantas de capim 'Marandu' [(Urochloa brizantha (Syn. Brachiaria brizantha)] cultivadas em sistemas agrossilvipastoris. O experimento foi estabelecido em condições de campo, em um delineamento de blocos ao acaso, com quatro repetições, em que as parcelas foram representadas pelos espaçamentos de plantio de eucalipto (12x2 e 12x4 m), e as subparcelas, pela distância entre o capim 'Marandu' e as fileiras de eucalipto (6, 4 e 2 m). Adicionou-se um controle apenas com capim 'Marandu', cultivado a sol pleno. As variáveis de anatomia foliar do capim 'Marandu' foram avaliadas quanto à interferência do sombreamento pelas árvores. A distância entre as plantas de capim 'Marandu' e as linhas de eucalipto interferiram na anatomia da lâmina foliar da forragem, e as maiores modificações ocorreram nas medidas lineares e proporções teciduais nos arranjos com maior densidade de eucalipto. A interferência do sombreamento pelo eucalipto nas características anatômicas das folhas de capim 'Marandu' depende do arranjo adotado. Isto ocorre em razão da adaptação do capim à baixa incidência de luz, com a consequente redução de sua atividade fisiológica e crescimento.Pesquisa Agropecuaria BrasileiraPesquisa Agropecuária BrasileiraCoordination of Higher Education Personnel Training (CAPES)National Counsel of Technological and Scientific Development (CNPq)Foundation for the State of Minas Gerais Research (FAPEMIG).Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (Capes)Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)Fundação de Amparo à Pesquisa do Estado de Minas Gerais (Fapemig)Santos, Marcia VitoriaFerreira, Evander AlvesCruz, Priscila Junia Rodrigues daRibeiro, Victor Hugo VidalAlencar, Brenda Thaís BarbalhoCabral, Cássia MichelleFrancino, Dayana Maria TeodoroAspiazú, Ignácio2018-12-28info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://seer.sct.embrapa.br/index.php/pab/article/view/25716Pesquisa Agropecuaria Brasileira; v.53, n.12, dez. 2018; 1320-1328Pesquisa Agropecuária Brasileira; v.53, n.12, dez. 2018; 1320-13281678-39210100-104xreponame:Pesquisa Agropecuária Brasileira (Online)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPAenghttps://seer.sct.embrapa.br/index.php/pab/article/view/25716/14351https://seer.sct.embrapa.br/index.php/pab/article/downloadSuppFile/25716/17437Direitos autorais 2018 Pesquisa Agropecuária Brasileirainfo:eu-repo/semantics/openAccess2018-12-28T17:58:45Zoai:ojs.seer.sct.embrapa.br:article/25716Revistahttp://seer.sct.embrapa.br/index.php/pabPRIhttps://old.scielo.br/oai/scielo-oai.phppab@sct.embrapa.br || sct.pab@embrapa.br1678-39210100-204Xopendoar:2018-12-28T17:58:45Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false
dc.title.none.fl_str_mv Leaf anatomy of 'Marandu' grass cultivated in plant arrangements in agrosilvopastoral systems
Anatomia foliar de capim-marandu cultivado em arranjos de plantio em sistemas agrossilvipastoris
title Leaf anatomy of 'Marandu' grass cultivated in plant arrangements in agrosilvopastoral systems
spellingShingle Leaf anatomy of 'Marandu' grass cultivated in plant arrangements in agrosilvopastoral systems
Santos, Marcia Vitoria
Urochloa brizantha; agroforestry systems; forest-livestock-crop integration; morphoanatomical characteristics
Urochloa brizantha; sistemas agroflorestais; integração lavoura-pecuária-floresta; características morfoanatômicas
title_short Leaf anatomy of 'Marandu' grass cultivated in plant arrangements in agrosilvopastoral systems
title_full Leaf anatomy of 'Marandu' grass cultivated in plant arrangements in agrosilvopastoral systems
title_fullStr Leaf anatomy of 'Marandu' grass cultivated in plant arrangements in agrosilvopastoral systems
title_full_unstemmed Leaf anatomy of 'Marandu' grass cultivated in plant arrangements in agrosilvopastoral systems
title_sort Leaf anatomy of 'Marandu' grass cultivated in plant arrangements in agrosilvopastoral systems
author Santos, Marcia Vitoria
author_facet Santos, Marcia Vitoria
Ferreira, Evander Alves
Cruz, Priscila Junia Rodrigues da
Ribeiro, Victor Hugo Vidal
Alencar, Brenda Thaís Barbalho
Cabral, Cássia Michelle
Francino, Dayana Maria Teodoro
Aspiazú, Ignácio
author_role author
author2 Ferreira, Evander Alves
Cruz, Priscila Junia Rodrigues da
Ribeiro, Victor Hugo Vidal
Alencar, Brenda Thaís Barbalho
Cabral, Cássia Michelle
Francino, Dayana Maria Teodoro
Aspiazú, Ignácio
author2_role author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv Coordination of Higher Education Personnel Training (CAPES)
National Counsel of Technological and Scientific Development (CNPq)
Foundation for the State of Minas Gerais Research (FAPEMIG).
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (Capes)
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
Fundação de Amparo à Pesquisa do Estado de Minas Gerais (Fapemig)
dc.contributor.author.fl_str_mv Santos, Marcia Vitoria
Ferreira, Evander Alves
Cruz, Priscila Junia Rodrigues da
Ribeiro, Victor Hugo Vidal
Alencar, Brenda Thaís Barbalho
Cabral, Cássia Michelle
Francino, Dayana Maria Teodoro
Aspiazú, Ignácio
dc.subject.por.fl_str_mv Urochloa brizantha; agroforestry systems; forest-livestock-crop integration; morphoanatomical characteristics
Urochloa brizantha; sistemas agroflorestais; integração lavoura-pecuária-floresta; características morfoanatômicas
topic Urochloa brizantha; agroforestry systems; forest-livestock-crop integration; morphoanatomical characteristics
Urochloa brizantha; sistemas agroflorestais; integração lavoura-pecuária-floresta; características morfoanatômicas
description The objective of this work was to evaluate the effects of different arrangements of eucalyptus plants on the morphoanatomical characteristics of leaf blades of 'Marandu' grass [(Urochloa brizantha (Syn. Brachiaria brizantha)] plants cultivated in agrosilvopastoral systems. The experiment was set in field conditions in a randomized complete block design with four replicates, in which the plots were represented by planting spacings of eucalyptus (12x2 and 12x4 m), and the subplots, by the distance between 'Marandu' grass and eucalyptus rows (6, 4, and 2 m). A control was added, composed by 'Marandu' grass cultivated in full sun. Variables of the leaf anatomy of 'Marandu' grass were evaluated for shading interference by trees. The distance of 'Marandu' grass plants from the eucalyptus lines interfered with the leaf blade anatomy of the forage, and the highest modifications occurred in linear measures and tissue proportions in the arrangements with the highest eucalyptus density. The shading interference of eucalyptus on the anatomical characteristics of leaf blades of 'Marandu' grass depends on the adopted arrangement. This occurs due to the grass adaptation to the low-light incidence, with a consequent reduction in its physiological activity and growth.
publishDate 2018
dc.date.none.fl_str_mv 2018-12-28
dc.type.none.fl_str_mv
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://seer.sct.embrapa.br/index.php/pab/article/view/25716
url https://seer.sct.embrapa.br/index.php/pab/article/view/25716
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv https://seer.sct.embrapa.br/index.php/pab/article/view/25716/14351
https://seer.sct.embrapa.br/index.php/pab/article/downloadSuppFile/25716/17437
dc.rights.driver.fl_str_mv Direitos autorais 2018 Pesquisa Agropecuária Brasileira
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Direitos autorais 2018 Pesquisa Agropecuária Brasileira
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Pesquisa Agropecuaria Brasileira
Pesquisa Agropecuária Brasileira
publisher.none.fl_str_mv Pesquisa Agropecuaria Brasileira
Pesquisa Agropecuária Brasileira
dc.source.none.fl_str_mv Pesquisa Agropecuaria Brasileira; v.53, n.12, dez. 2018; 1320-1328
Pesquisa Agropecuária Brasileira; v.53, n.12, dez. 2018; 1320-1328
1678-3921
0100-104x
reponame:Pesquisa Agropecuária Brasileira (Online)
instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA
instname_str Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron_str EMBRAPA
institution EMBRAPA
reponame_str Pesquisa Agropecuária Brasileira (Online)
collection Pesquisa Agropecuária Brasileira (Online)
repository.name.fl_str_mv Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
repository.mail.fl_str_mv pab@sct.embrapa.br || sct.pab@embrapa.br
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