Crescimento e nutri??o de plantas de jovens de caf? tratadas com subdoses de glyphosate

Detalhes bibliográficos
Autor(a) principal: Barbosa, Edimilson Alves
Data de Publicação: 2013
Tipo de documento: Dissertação
Idioma: por
Título da fonte: Repositório Institucional da UFVJM
Texto Completo: http://acervo.ufvjm.edu.br/jspui/handle/1/303
Resumo: Conte?do parcial
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spelling Barbosa, Edimilson AlvesFerreira, Evander AlvesRonchi, Cl?udio PagottoUniversidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM)Fran?a, Andr? Cabral2014-12-22T13:14:54Z2014-12-22T13:14:54Z20132013-07-29BARBOSA, Edimilson Alves. T?tulo: subt?tulo. 2013. p. Disserta??o (Mestrado) ? Programa de P?s-Gradua??o em Produ??o Vegetal, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, 2013.http://acervo.ufvjm.edu.br/jspui/handle/1/303Conte?do parcialObjetivou-se com esse trabalho avaliar o os efeitos das vias de absor??o de subdoses de glyphosate no crescimento e na nutri??o de plantas jovens de caf?. Para isso,plantas de caf? foram cultivadas em solu??o hidrop?nica durante 50 dias ap?s a aplica??o (DAA) do herbicida. O trabalho foi conduzido no delineamento em blocos casualizados (DBC), com esquema fatorial 2x4 sendo o primeiro fator referente ? via de absor??o foliar e radicular e o segundo ? avalia??odo efeito das doses de glyphosate utilizadas: 0; 115,2; 230,4; e 460,8 g ha-1 correspondentes a 0; 8; 16 e 32 % da dose de 1440 g ha-1 da formula??o sal de isopropilamina, com 7 repeti??es. Os sintomas de intoxica??o foram caracterizados por clorose e estreitamento do limbo foliar e atingiram 50e 70% para a absor??o radicular e foliar, respectivamente. Com o aumento das doses do herbicida at? 460,8 g ha-1 ocorreram redu??es do comprimento do caule, do n?mero de folhas, da ?rea foliar, da raz?o de massa foliar, da rela??o parte a?rea raiz, do comprimento das ra?zes e das massas seca das folhas, do caule, das ra?zes e total. O n?mero de folhas; ?rea foliar; massa seca da raiz, caule, folha e total e a raz?o de massa foliar foram menores quando o herbicida foi absorvido pelas folhas. As vias de absor??o e as subdoses de glyphosate n?o alteraram o comportamento do K na planta, mas prejudicaram o desempenho do N, P, Ca e Mg, sendo todos os efeitos mais acentuados quando o herbicida foi absorvido pela parte a?rea em rela??o ? absor??o radicular.Conclui-se que as vias de absor??o e as subdoses de glyphosate n?o interferem no desempenho do K em plantas jovens de caf? em condi??es hidrop?nicas, mas comprometem o comportamento do N, P, Ca e Mg, reduzindo o crescimento dessas plantas. A absor??o e ou transloca??o do glyphosate ? mais eficiente quando absorvido via foliar.Submitted by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2014-12-22T13:13:18Z No. of bitstreams: 2 edimilson_alves_barbosa.pdf: 170936 bytes, checksum: 06292818e7702f0384d1eba33a864347 (MD5) license_rdf: 23898 bytes, checksum: e363e809996cf46ada20da1accfcd9c7 (MD5)Approved for entry into archive by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2014-12-22T13:14:28Z (GMT) No. of bitstreams: 2 edimilson_alves_barbosa.pdf: 170936 bytes, checksum: 06292818e7702f0384d1eba33a864347 (MD5) license_rdf: 23898 bytes, checksum: e363e809996cf46ada20da1accfcd9c7 (MD5)Approved for entry into archive by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2014-12-22T13:14:54Z (GMT) No. of bitstreams: 2 edimilson_alves_barbosa.pdf: 170936 bytes, checksum: 06292818e7702f0384d1eba33a864347 (MD5) license_rdf: 23898 bytes, checksum: e363e809996cf46ada20da1accfcd9c7 (MD5)Made available in DSpace on 2014-12-22T13:14:54Z (GMT). No. of bitstreams: 2 edimilson_alves_barbosa.pdf: 170936 bytes, checksum: 06292818e7702f0384d1eba33a864347 (MD5) license_rdf: 23898 bytes, checksum: e363e809996cf46ada20da1accfcd9c7 (MD5) Previous issue date: 2013Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior (Capes)Funda??o de Amparo ? Pesquisa do estado de Minas Gerais (FAPEMIG)Disserta??o (Mestrado) ? Programa de P?s-Gradua??o em Produ??o Vegetal, Universidade Federal dos Vales do Jequitinhonha e Mucuri, 2013.ABSTRACT The objective of this work was to evaluate the effects of absorption pathways of reduced rates of glyphosate on growth and nutrition of young coffee plants. For this, coffee plants were grown in hydroponic solution for 50 days after application (DAA) of the herbicide. The study was conducted in a randomized block design (RBD) with a 2x4 factorial design with the first factor related to the route of foliar and root absorption and the second to Assessmentmethodology effect of glyphosate doses used: 0, 115.2, 230.4; and 460.8 g ha-1 corresponding to 0, 8, 16 and 32% of the dose of 1440 g ha-1 isopropylamine salt formulation with 7 replicates. Symptoms of poisoning were characterized by chlorosis and narrowing of the leaf blade 50 and reached 70% for foliar and root uptake, respectively. With increasing rates of the herbicide to 460.8 g ha-1 occurred reductions in stem length, leaf number, leaf area, the leaf mass ratio, the root shoot ratio, the length of roots and masses dried leaves, stem, roots and all. The number of leaves, leaf area, dry weight of root, stem, leaf, every and leaf weight ratio were lower when the herbicide was absorbed by the leaves. Absorption pathways and reduced rates of glyphosate did not alter the behavior of K in the plant, but impaired performance of N, P, Ca and Mg, with all the effects more pronounced when the herbicide was absorbed by the air in relation to root uptake. Conclude that the process of absorption and reduced rates of glyphosate not interfere with the performance of the K young coffee in hydroponic conditions, but compromise the behavior of N, P, Ca, Mg, reducing the growth of these plants. The uptake or translocation of glyphosate and is most effective when absorbed through the leaves.porUFVJMA concess?o da licen?a deste item refere-se ao ? termo de autoriza??o impresso assinado pelo autor, assim como na licen?a Creative Commons, com as seguintes condi??es: Na qualidade de titular dos direitos de autor da publica??o, autorizo a Universidade Federal dos Vales do Jequitinhonha e Mucuri e o IBICT a disponibilizar por meio de seus reposit?rios, sem ressarcimento dos direitos autorais, de acordo com a Lei n? 9610/98, o texto integral da obra disponibilizada, conforme permiss?es assinaladas, para fins de leitura, impress?o e/ou download, a t?tulo de divulga??o da produ??o cient?fica brasileira, e preserva??o, a partir desta data.info:eu-repo/semantics/openAccessCrescimento e nutri??o de plantas de jovens de caf? tratadas com subdoses de glyphosateGrowth and nutrition of young coffee plants treated with reduced rates of glyphosateinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisHerbicidaCoffea arabicaVias de absor??oreponame:Repositório Institucional da UFVJMinstname:Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM)instacron:UFVJMTEXTedimilson_alves_barbosa.pdf.txtedimilson_alves_barbosa.pdf.txtExtracted texttext/plain33973http://acervo.ufvjm.edu.br/jspui/bitstream/1/303/6/edimilson_alves_barbosa.pdf.txt6b2fdb134724a9bdbaa0d6eea5483401MD56LICENSElicense.txtlicense.txttext/plain; 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dc.title.pt_BR.fl_str_mv Crescimento e nutri??o de plantas de jovens de caf? tratadas com subdoses de glyphosate
dc.title.alternative.en.fl_str_mv Growth and nutrition of young coffee plants treated with reduced rates of glyphosate
title Crescimento e nutri??o de plantas de jovens de caf? tratadas com subdoses de glyphosate
spellingShingle Crescimento e nutri??o de plantas de jovens de caf? tratadas com subdoses de glyphosate
Barbosa, Edimilson Alves
Herbicida
Coffea arabica
Vias de absor??o
title_short Crescimento e nutri??o de plantas de jovens de caf? tratadas com subdoses de glyphosate
title_full Crescimento e nutri??o de plantas de jovens de caf? tratadas com subdoses de glyphosate
title_fullStr Crescimento e nutri??o de plantas de jovens de caf? tratadas com subdoses de glyphosate
title_full_unstemmed Crescimento e nutri??o de plantas de jovens de caf? tratadas com subdoses de glyphosate
title_sort Crescimento e nutri??o de plantas de jovens de caf? tratadas com subdoses de glyphosate
author Barbosa, Edimilson Alves
author_facet Barbosa, Edimilson Alves
author_role author
dc.contributor.references.none.fl_str_mv Ferreira, Evander Alves
Ronchi, Cl?udio Pagotto
dc.contributor.institution.pt_BR.fl_str_mv Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM)
dc.contributor.author.fl_str_mv Barbosa, Edimilson Alves
dc.contributor.advisor1.fl_str_mv Fran?a, Andr? Cabral
contributor_str_mv Fran?a, Andr? Cabral
dc.subject.keyword.pt_BR.fl_str_mv Herbicida
Coffea arabica
Vias de absor??o
topic Herbicida
Coffea arabica
Vias de absor??o
description Conte?do parcial
publishDate 2013
dc.date.submitted.none.fl_str_mv 2013-07-29
dc.date.issued.fl_str_mv 2013
dc.date.accessioned.fl_str_mv 2014-12-22T13:14:54Z
dc.date.available.fl_str_mv 2014-12-22T13:14:54Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/masterThesis
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dc.identifier.citation.fl_str_mv BARBOSA, Edimilson Alves. T?tulo: subt?tulo. 2013. p. Disserta??o (Mestrado) ? Programa de P?s-Gradua??o em Produ??o Vegetal, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, 2013.
dc.identifier.uri.fl_str_mv http://acervo.ufvjm.edu.br/jspui/handle/1/303
identifier_str_mv BARBOSA, Edimilson Alves. T?tulo: subt?tulo. 2013. p. Disserta??o (Mestrado) ? Programa de P?s-Gradua??o em Produ??o Vegetal, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, 2013.
url http://acervo.ufvjm.edu.br/jspui/handle/1/303
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language por
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv UFVJM
publisher.none.fl_str_mv UFVJM
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