Morfogênese de gramíneas nativas do Rio Grande do Sul (Brasil) submetidas a pastoreio rotativo

Detalhes bibliográficos
Autor(a) principal: Santos, Aline Bosak dos
Data de Publicação: 2012
Tipo de documento: Dissertação
Idioma: por
Título da fonte: Manancial - Repositório Digital da UFSM
Texto Completo: http://repositorio.ufsm.br/handle/1/4847
Resumo: The knowledge of plants response to grazing, with emphasis on growing and senescence processes is necessary to improve the natural grasslands usage and efficiency. Based on this, this work aimed to study morphogenic characteristics of predominant natural grasses in the central region Rio Grande do Sul State (RS), under rotational grazing based on thermal time intervals. The study was carried out at Universidade Federal de Santa Maria area, in Santa Maria/RS city, from September 2010 to March 2011, in a completely randomized experimental design, with two treatments: 375 degree day and 750 degree day grazing intervals and three repetitions. Morphogenic characteristics were measured on Andropogon lateralis Nees, Aristida laevis Nees, Axonopus affinis Chase, Paspalum notatum Fluegge and Paspalum plicatulum Michx. grass species, chosen based on functional typology. There was no significant difference between the treatments, but it was verified among species and seasons. The largest leaf appearance rates, and the the smallest leaf appearance intervals, were observed on P. notatum and A. affinis species. A. laevis e P. plicatulum showed the largest leaf lifespan and leaf elongation rate. Spring is characterized as the growing season, with highest leaf appearance and elongation values, and summer is marked by the flowering initiation, represented by internodes elongation and reduction of morphogenic characteristics. P. notatum is the grazing species with the greatest adaptative potential.
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spelling 2013-02-052013-02-052012-03-02SANTOS, Aline Bosak dos. MORPHOGENESIS OF RIO GRANDE DO SUL (BRAZIL) NATIVE GRASSES UNDER ROTATIONAL GRAZING. 2012. 84 f. Dissertação (Mestrado em Ciências Biológicas) - Universidade Federal de Santa Maria, Santa Maria, 2012.http://repositorio.ufsm.br/handle/1/4847The knowledge of plants response to grazing, with emphasis on growing and senescence processes is necessary to improve the natural grasslands usage and efficiency. Based on this, this work aimed to study morphogenic characteristics of predominant natural grasses in the central region Rio Grande do Sul State (RS), under rotational grazing based on thermal time intervals. The study was carried out at Universidade Federal de Santa Maria area, in Santa Maria/RS city, from September 2010 to March 2011, in a completely randomized experimental design, with two treatments: 375 degree day and 750 degree day grazing intervals and three repetitions. Morphogenic characteristics were measured on Andropogon lateralis Nees, Aristida laevis Nees, Axonopus affinis Chase, Paspalum notatum Fluegge and Paspalum plicatulum Michx. grass species, chosen based on functional typology. There was no significant difference between the treatments, but it was verified among species and seasons. The largest leaf appearance rates, and the the smallest leaf appearance intervals, were observed on P. notatum and A. affinis species. A. laevis e P. plicatulum showed the largest leaf lifespan and leaf elongation rate. Spring is characterized as the growing season, with highest leaf appearance and elongation values, and summer is marked by the flowering initiation, represented by internodes elongation and reduction of morphogenic characteristics. P. notatum is the grazing species with the greatest adaptative potential.O conhecimento das respostas das plantas à desfolha, com ênfase para os processos de crescimento e senescência, é necessário a fim de melhorar o uso e eficiência das pastagens naturais. Com base nisso, o trabalho teve por objetivo estudar as características morfogênicas de gramíneas nativas predominantes na região central do Rio Grande do Sul (RS), submetidas a pastoreio rotativo com intervalos determinados por somas térmicas. O trabalho foi desenvolvido no município de Santa Maria/RS, em área da Universidade Federal de Santa Maria, de setembro de 2010 a março de 2011, em um delineamento experimental inteiramente casualizado, com dois tratamentos, intervalos de pastoreios de 375 graus-dia e de 750 grausdia, e três repetições. Foram realizadas medições de características morfogênicas nas espécies vegetais Andropogon lateralis Nees, Aristida laevis Nees, Axonopus affinis Chase, Paspalum notatum Fluegge e Paspalum plicatulum Michx. selecionadas a partir de uma tipologia funcional. Não houve diferença significativa entre os tratamentos, mas houve entre espécies e entre estações. As maiores taxas de aparecimento foliar e os menores intervalos de aparecimento de folhas são observados nas espécies P. notatum e A. affinis. A. laevis e P. plicatulum apresentam as maiores durações e taxas de elongação foliares. Primavera se caracteriza como a estação de crescimento, com valores superiores de aparecimento e elongação foliar, e verão é marcado pelo início do florescimento, representado pelo alongamento dos entrenós e redução nas características citadas acima. P. notatum é a espécie com maior potencial adaptativo ao pastejo.Coordenação de Aperfeiçoamento de Pessoal de Nível Superiorapplication/pdfporUniversidade Federal de Santa MariaPrograma de Pós-Graduação em AgrobiologiaUFSMBRCiências BiológicasBioma PampaMorfogêneseSoma térmicaTipo funcionalFunctional typeMorphogenesisPampa biomeThermal timeCNPQ::CIENCIAS BIOLOGICASMorfogênese de gramíneas nativas do Rio Grande do Sul (Brasil) submetidas a pastoreio rotativoMorphogenesis of Rio Grande do Sul (Brazil) native grasses under rotational grazinginfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisQuadros, Fernando Luiz Ferreira dehttp://lattes.cnpq.br/9202266292366562Canto-Dorow, Thais Scotti dohttp://lattes.cnpq.br/5292365079708795Trindade, José Pedro Pereirahttp://lattes.cnpq.br/7976647947215420http://lattes.cnpq.br/0745530548978449Santos, Aline Bosak dos20000000000640050050030050087f7a696-584d-4ee4-ad83-13fd043205569be8c3af-0a4d-4030-b120-54e925c32d3bf528b63f-6918-4f57-9502-b05d48e204695ce984f3-db81-494a-bd36-2a2a2ed37867info:eu-repo/semantics/openAccessreponame:Manancial - Repositório Digital da UFSMinstname:Universidade Federal de Santa Maria (UFSM)instacron:UFSMORIGINALSANTOS, ALINE BOSAK DOS.pdfapplication/pdf1925887http://repositorio.ufsm.br/bitstream/1/4847/1/SANTOS%2c%20ALINE%20BOSAK%20DOS.pdfe3546b97965d9909d0417ac69f08981bMD51TEXTSANTOS, ALINE BOSAK DOS.pdf.txtSANTOS, ALINE BOSAK DOS.pdf.txtExtracted texttext/plain166037http://repositorio.ufsm.br/bitstream/1/4847/2/SANTOS%2c%20ALINE%20BOSAK%20DOS.pdf.txt084f891421d97ad36e314cbd34a2975bMD52THUMBNAILSANTOS, ALINE BOSAK DOS.pdf.jpgSANTOS, ALINE BOSAK DOS.pdf.jpgIM Thumbnailimage/jpeg4914http://repositorio.ufsm.br/bitstream/1/4847/3/SANTOS%2c%20ALINE%20BOSAK%20DOS.pdf.jpg460a9d598a128c88a05fef6b7e036e3cMD531/48472022-01-11 11:23:35.513oai:repositorio.ufsm.br:1/4847Repositório Institucionalhttp://repositorio.ufsm.br/PUBhttp://repositorio.ufsm.br/oai/requestopendoar:39132022-01-11T14:23:35Manancial - Repositório Digital da UFSM - Universidade Federal de Santa Maria (UFSM)false
dc.title.por.fl_str_mv Morfogênese de gramíneas nativas do Rio Grande do Sul (Brasil) submetidas a pastoreio rotativo
dc.title.alternative.eng.fl_str_mv Morphogenesis of Rio Grande do Sul (Brazil) native grasses under rotational grazing
title Morfogênese de gramíneas nativas do Rio Grande do Sul (Brasil) submetidas a pastoreio rotativo
spellingShingle Morfogênese de gramíneas nativas do Rio Grande do Sul (Brasil) submetidas a pastoreio rotativo
Santos, Aline Bosak dos
Bioma Pampa
Morfogênese
Soma térmica
Tipo funcional
Functional type
Morphogenesis
Pampa biome
Thermal time
CNPQ::CIENCIAS BIOLOGICAS
title_short Morfogênese de gramíneas nativas do Rio Grande do Sul (Brasil) submetidas a pastoreio rotativo
title_full Morfogênese de gramíneas nativas do Rio Grande do Sul (Brasil) submetidas a pastoreio rotativo
title_fullStr Morfogênese de gramíneas nativas do Rio Grande do Sul (Brasil) submetidas a pastoreio rotativo
title_full_unstemmed Morfogênese de gramíneas nativas do Rio Grande do Sul (Brasil) submetidas a pastoreio rotativo
title_sort Morfogênese de gramíneas nativas do Rio Grande do Sul (Brasil) submetidas a pastoreio rotativo
author Santos, Aline Bosak dos
author_facet Santos, Aline Bosak dos
author_role author
dc.contributor.advisor1.fl_str_mv Quadros, Fernando Luiz Ferreira de
dc.contributor.advisor1Lattes.fl_str_mv http://lattes.cnpq.br/9202266292366562
dc.contributor.referee1.fl_str_mv Canto-Dorow, Thais Scotti do
dc.contributor.referee1Lattes.fl_str_mv http://lattes.cnpq.br/5292365079708795
dc.contributor.referee2.fl_str_mv Trindade, José Pedro Pereira
dc.contributor.referee2Lattes.fl_str_mv http://lattes.cnpq.br/7976647947215420
dc.contributor.authorLattes.fl_str_mv http://lattes.cnpq.br/0745530548978449
dc.contributor.author.fl_str_mv Santos, Aline Bosak dos
contributor_str_mv Quadros, Fernando Luiz Ferreira de
Canto-Dorow, Thais Scotti do
Trindade, José Pedro Pereira
dc.subject.por.fl_str_mv Bioma Pampa
Morfogênese
Soma térmica
Tipo funcional
topic Bioma Pampa
Morfogênese
Soma térmica
Tipo funcional
Functional type
Morphogenesis
Pampa biome
Thermal time
CNPQ::CIENCIAS BIOLOGICAS
dc.subject.eng.fl_str_mv Functional type
Morphogenesis
Pampa biome
Thermal time
dc.subject.cnpq.fl_str_mv CNPQ::CIENCIAS BIOLOGICAS
description The knowledge of plants response to grazing, with emphasis on growing and senescence processes is necessary to improve the natural grasslands usage and efficiency. Based on this, this work aimed to study morphogenic characteristics of predominant natural grasses in the central region Rio Grande do Sul State (RS), under rotational grazing based on thermal time intervals. The study was carried out at Universidade Federal de Santa Maria area, in Santa Maria/RS city, from September 2010 to March 2011, in a completely randomized experimental design, with two treatments: 375 degree day and 750 degree day grazing intervals and three repetitions. Morphogenic characteristics were measured on Andropogon lateralis Nees, Aristida laevis Nees, Axonopus affinis Chase, Paspalum notatum Fluegge and Paspalum plicatulum Michx. grass species, chosen based on functional typology. There was no significant difference between the treatments, but it was verified among species and seasons. The largest leaf appearance rates, and the the smallest leaf appearance intervals, were observed on P. notatum and A. affinis species. A. laevis e P. plicatulum showed the largest leaf lifespan and leaf elongation rate. Spring is characterized as the growing season, with highest leaf appearance and elongation values, and summer is marked by the flowering initiation, represented by internodes elongation and reduction of morphogenic characteristics. P. notatum is the grazing species with the greatest adaptative potential.
publishDate 2012
dc.date.issued.fl_str_mv 2012-03-02
dc.date.accessioned.fl_str_mv 2013-02-05
dc.date.available.fl_str_mv 2013-02-05
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dc.type.driver.fl_str_mv info:eu-repo/semantics/masterThesis
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dc.identifier.citation.fl_str_mv SANTOS, Aline Bosak dos. MORPHOGENESIS OF RIO GRANDE DO SUL (BRAZIL) NATIVE GRASSES UNDER ROTATIONAL GRAZING. 2012. 84 f. Dissertação (Mestrado em Ciências Biológicas) - Universidade Federal de Santa Maria, Santa Maria, 2012.
dc.identifier.uri.fl_str_mv http://repositorio.ufsm.br/handle/1/4847
identifier_str_mv SANTOS, Aline Bosak dos. MORPHOGENESIS OF RIO GRANDE DO SUL (BRAZIL) NATIVE GRASSES UNDER ROTATIONAL GRAZING. 2012. 84 f. Dissertação (Mestrado em Ciências Biológicas) - Universidade Federal de Santa Maria, Santa Maria, 2012.
url http://repositorio.ufsm.br/handle/1/4847
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dc.publisher.program.fl_str_mv Programa de Pós-Graduação em Agrobiologia
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dc.publisher.country.fl_str_mv BR
dc.publisher.department.fl_str_mv Ciências Biológicas
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