Peliculização de sementes de tomate associada ao paclobutrazol
Autor(a) principal: | |
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Data de Publicação: | 2013 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Repositório Institucional da UFG |
Texto Completo: | http://repositorio.bc.ufg.br/tede/handle/tede/5080 |
Resumo: | Seed treatment with paclobutrazol should be enhanced and coating technologies, such as film coating can be applied uniformly and promising to fix this regulator in the seed coat without allowing a contact damaging the embryo. Thus, the objective of this study was to evaluate the technical feasibility of the film coating tomato seeds with paclobutrazol on seed physiological potential and the implications on the growth of seedlings. The research was carried out in the Laboratory of the “Setor de Horticultura” and at nursery seedling of “Setor de Manejo Integrado de Pragas” of “Escola de Agronomia e Engenharia de Alimentos” from March to October 2012. Three experiments were conducted. First, to define the best dosage of polymer coating, the treatments were arranged in a 2 x 4 factorial, with two cultivars (Santa Clara and Kada Gigante) and four concentrations of polymer Disc AG Red L-203® (0, 50, 100 and 150 mL kg-1 seed). In the second, with the polymer concentration established, the potential adhesive film coating for seed treatment with paclobutrazol was determined through a 2 x 4 factorial arrangement, presence or absence of the coating polymer Disc AG Red L-203® (0 and 150 ml kg-1 seed) and four paclobutrazol concentration PBZ (0, 35, 70 and 105 mg L-1). In the third, the tomato seed conditioning with PBZ (50 mg L-1) and coating polymer Disc AG Red L-203® (150 mL kg-1 seed) were evaluated. The film coating promotes negative effects on germination of cultivar Santa Clara. The cultivate Kada Gigante obtained a superior performance to Santa Clara as the emergence of seedlings. The use of hydrophilic polymer (150 ml kg-1 seed) increased 4% seedling emergence compared to control. The PBZ resulted in reductions in 27% germination, 8% seedling emergence, 19% seedling height, 20% leaf area and in increase in the detection of chlorophyll of 24%, compared to control. Imbibition of seeds with PBZ, even with the presence of the polymer coating, harmed the speed of germination and seedling emergence. In conclusion, the effect of film coating on the germination of tomato seeds depends on the cultivar. The seed physiological potential can increased by the use of polymer coating, although it does not occur for the production of seedlings. PBZ is effective in seedling growth control, but affect the germination and seed vigor. The film coating as a vehicle for fixation of paclobutrazol is not indicated due to maintenance of reduced seedling emergence. |
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Seleguini, Alexsanderhttp://lattes.cnpq.br/4677527012573000Veloso, Valquíria da Rocha Santoshttp://lattes.cnpq.br/7952914949535819Fernandes, Paulo MarçalGomes Junior, Francisco GuilhienSeleguini, Alexsanderhttp://lattes.cnpq.br/5478298940479426Melo , Aniela Pilar Campos de2016-01-08T11:24:52Z2013-03-06MELO, A. P. C. Peliculização de sementes de tomate associada ao paclobutrazol. 2013. 78 f. Dissertação (Mestrado em Agronomia) - Universidade Federal de Goiás, Goiânia, 2013.http://repositorio.bc.ufg.br/tede/handle/tede/5080Seed treatment with paclobutrazol should be enhanced and coating technologies, such as film coating can be applied uniformly and promising to fix this regulator in the seed coat without allowing a contact damaging the embryo. Thus, the objective of this study was to evaluate the technical feasibility of the film coating tomato seeds with paclobutrazol on seed physiological potential and the implications on the growth of seedlings. The research was carried out in the Laboratory of the “Setor de Horticultura” and at nursery seedling of “Setor de Manejo Integrado de Pragas” of “Escola de Agronomia e Engenharia de Alimentos” from March to October 2012. Three experiments were conducted. First, to define the best dosage of polymer coating, the treatments were arranged in a 2 x 4 factorial, with two cultivars (Santa Clara and Kada Gigante) and four concentrations of polymer Disc AG Red L-203® (0, 50, 100 and 150 mL kg-1 seed). In the second, with the polymer concentration established, the potential adhesive film coating for seed treatment with paclobutrazol was determined through a 2 x 4 factorial arrangement, presence or absence of the coating polymer Disc AG Red L-203® (0 and 150 ml kg-1 seed) and four paclobutrazol concentration PBZ (0, 35, 70 and 105 mg L-1). In the third, the tomato seed conditioning with PBZ (50 mg L-1) and coating polymer Disc AG Red L-203® (150 mL kg-1 seed) were evaluated. The film coating promotes negative effects on germination of cultivar Santa Clara. The cultivate Kada Gigante obtained a superior performance to Santa Clara as the emergence of seedlings. The use of hydrophilic polymer (150 ml kg-1 seed) increased 4% seedling emergence compared to control. The PBZ resulted in reductions in 27% germination, 8% seedling emergence, 19% seedling height, 20% leaf area and in increase in the detection of chlorophyll of 24%, compared to control. Imbibition of seeds with PBZ, even with the presence of the polymer coating, harmed the speed of germination and seedling emergence. In conclusion, the effect of film coating on the germination of tomato seeds depends on the cultivar. The seed physiological potential can increased by the use of polymer coating, although it does not occur for the production of seedlings. PBZ is effective in seedling growth control, but affect the germination and seed vigor. The film coating as a vehicle for fixation of paclobutrazol is not indicated due to maintenance of reduced seedling emergence.O tratamento de sementes com paclobutrazol deve ser aprimorado e tecnologias de recobrimento, como a peliculização, podem ser promissoras para aplicar uniformemente fixar este regulador no tegumento das sementes sem permitir um contato prejudicial ao embrião. Assim, o objetivo do presente trabalho consistiu em avaliar a viabilidade técnica da peliculização de sementes de tomate associada ao paclobutrazol sob o comportamento fisiológico de sementes e as implicações no crescimento de mudas. A pesquisa foi conduzida no Laboratório do Setor de Horticultura e em casa de vegetação do Setor de Manejo Integrado de Pragas da Escola de Agronomia e Engenharia de Alimentos, de março a outubro de 2012. Foram conduzidos três experimentos. Primeiramente, os tratamentos foram dispostos em esquema fatorial 2 x 4, sendo duas cultivares (Santa Clara e Kada Gigante) e quatro concentrações do polímero Disco AG Red L-203® (0, 50, 100 e 150 mL kg-1 de semente) para definição da melhor dose de polímero de revestimento. No segundo, com a dose de polímero estabelecida, o potencial adesivo da peliculização para o tratamento de sementes com paclobutrazol foi determinado por meio de um arranjo fatorial 2 x 4, sendo presença ou ausência do polímero de revestimento Disco AG Red L-203® (0 e 150 mL kg-1 semente) e quatro concentrações de paclobutrazol - PBZ (0, 35, 70 e 105 mg L-1). No terceiro, o condicionamento de sementes de tomate com PBZ (50 mg L-1) e polímero de revestimento Disco AG Red L-203® (150 mL kg-1 de semente) foram avaliados. A peliculização prejudicou a germinação de sementes da cultivar Santa Clara. A cultivar Kada Gigante obteve um desempenho superior a Santa Clara quanto à emergência de plântulas. O uso de polímero hidrofílico (150 mL kg-1 de semente) aumentou 4% a emergência de plântulas, em relação ao controle. O PBZ propiciou reduções de 27% na germinação, 8% na emergência de plântulas, 19% na altura de parte aérea, 20% na área foliar e aumento de 24% na detecção de clorofila, em relação ao controle. A embebição de sementes com PBZ, mesmo com a presença do polímero de revestimento, prejudicou a velocidade de germinação e a emergência de plântulas. Conclui-se que o efeito da peliculização na germinação de sementes de tomate depende da cultivar utilizada. O potencial fisiológico pode ser incrementado pelo uso de polímeros de revestimento, sendo que isto não ocorre para a produção de mudas. O PBZ é eficiente no condicionamento da altura de mudas, mas prejudica a germinação e o vigor de sementes. A peliculização como veículo para fixação do PBZ não é indicada devido à manutenção da redução da emergência de plântulas.Submitted by Cláudia Bueno (claudiamoura18@gmail.com) on 2016-01-07T17:24:17Z No. of bitstreams: 2 Dissertação - Aniela Pilar Campos de Melo - 2013.pdf: 1506697 bytes, checksum: 5ac2152a8b7efed137db87b494635916 (MD5) license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5)Approved for entry into archive by Luciana Ferreira (lucgeral@gmail.com) on 2016-01-08T11:24:52Z (GMT) No. of bitstreams: 2 Dissertação - Aniela Pilar Campos de Melo - 2013.pdf: 1506697 bytes, checksum: 5ac2152a8b7efed137db87b494635916 (MD5) license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5)Made available in DSpace on 2016-01-08T11:24:52Z (GMT). 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dc.title.por.fl_str_mv |
Peliculização de sementes de tomate associada ao paclobutrazol |
dc.title.alternative.eng.fl_str_mv |
Film coating of tomato seeds of the associated paclobutrazol |
title |
Peliculização de sementes de tomate associada ao paclobutrazol |
spellingShingle |
Peliculização de sementes de tomate associada ao paclobutrazol Melo , Aniela Pilar Campos de Recobrimento de sementes Regulador de crescimento Potencial fisiológico de sementes Produção de mudas Seed coating Growth regulators Seed physiological potential Production of seedling CIENCIAS AGRARIAS::AGRONOMIA |
title_short |
Peliculização de sementes de tomate associada ao paclobutrazol |
title_full |
Peliculização de sementes de tomate associada ao paclobutrazol |
title_fullStr |
Peliculização de sementes de tomate associada ao paclobutrazol |
title_full_unstemmed |
Peliculização de sementes de tomate associada ao paclobutrazol |
title_sort |
Peliculização de sementes de tomate associada ao paclobutrazol |
author |
Melo , Aniela Pilar Campos de |
author_facet |
Melo , Aniela Pilar Campos de |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Seleguini, Alexsander |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/4677527012573000 |
dc.contributor.advisor-co1.fl_str_mv |
Veloso, Valquíria da Rocha Santos |
dc.contributor.advisor-co1Lattes.fl_str_mv |
http://lattes.cnpq.br/7952914949535819 |
dc.contributor.referee1.fl_str_mv |
Fernandes, Paulo Marçal |
dc.contributor.referee2.fl_str_mv |
Gomes Junior, Francisco Guilhien |
dc.contributor.referee3.fl_str_mv |
Seleguini, Alexsander |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/5478298940479426 |
dc.contributor.author.fl_str_mv |
Melo , Aniela Pilar Campos de |
contributor_str_mv |
Seleguini, Alexsander Veloso, Valquíria da Rocha Santos Fernandes, Paulo Marçal Gomes Junior, Francisco Guilhien Seleguini, Alexsander |
dc.subject.por.fl_str_mv |
Recobrimento de sementes Regulador de crescimento Potencial fisiológico de sementes Produção de mudas |
topic |
Recobrimento de sementes Regulador de crescimento Potencial fisiológico de sementes Produção de mudas Seed coating Growth regulators Seed physiological potential Production of seedling CIENCIAS AGRARIAS::AGRONOMIA |
dc.subject.eng.fl_str_mv |
Seed coating Growth regulators Seed physiological potential Production of seedling |
dc.subject.cnpq.fl_str_mv |
CIENCIAS AGRARIAS::AGRONOMIA |
description |
Seed treatment with paclobutrazol should be enhanced and coating technologies, such as film coating can be applied uniformly and promising to fix this regulator in the seed coat without allowing a contact damaging the embryo. Thus, the objective of this study was to evaluate the technical feasibility of the film coating tomato seeds with paclobutrazol on seed physiological potential and the implications on the growth of seedlings. The research was carried out in the Laboratory of the “Setor de Horticultura” and at nursery seedling of “Setor de Manejo Integrado de Pragas” of “Escola de Agronomia e Engenharia de Alimentos” from March to October 2012. Three experiments were conducted. First, to define the best dosage of polymer coating, the treatments were arranged in a 2 x 4 factorial, with two cultivars (Santa Clara and Kada Gigante) and four concentrations of polymer Disc AG Red L-203® (0, 50, 100 and 150 mL kg-1 seed). In the second, with the polymer concentration established, the potential adhesive film coating for seed treatment with paclobutrazol was determined through a 2 x 4 factorial arrangement, presence or absence of the coating polymer Disc AG Red L-203® (0 and 150 ml kg-1 seed) and four paclobutrazol concentration PBZ (0, 35, 70 and 105 mg L-1). In the third, the tomato seed conditioning with PBZ (50 mg L-1) and coating polymer Disc AG Red L-203® (150 mL kg-1 seed) were evaluated. The film coating promotes negative effects on germination of cultivar Santa Clara. The cultivate Kada Gigante obtained a superior performance to Santa Clara as the emergence of seedlings. The use of hydrophilic polymer (150 ml kg-1 seed) increased 4% seedling emergence compared to control. The PBZ resulted in reductions in 27% germination, 8% seedling emergence, 19% seedling height, 20% leaf area and in increase in the detection of chlorophyll of 24%, compared to control. Imbibition of seeds with PBZ, even with the presence of the polymer coating, harmed the speed of germination and seedling emergence. In conclusion, the effect of film coating on the germination of tomato seeds depends on the cultivar. The seed physiological potential can increased by the use of polymer coating, although it does not occur for the production of seedlings. PBZ is effective in seedling growth control, but affect the germination and seed vigor. The film coating as a vehicle for fixation of paclobutrazol is not indicated due to maintenance of reduced seedling emergence. |
publishDate |
2013 |
dc.date.issued.fl_str_mv |
2013-03-06 |
dc.date.accessioned.fl_str_mv |
2016-01-08T11:24:52Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
format |
masterThesis |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
MELO, A. P. C. Peliculização de sementes de tomate associada ao paclobutrazol. 2013. 78 f. Dissertação (Mestrado em Agronomia) - Universidade Federal de Goiás, Goiânia, 2013. |
dc.identifier.uri.fl_str_mv |
http://repositorio.bc.ufg.br/tede/handle/tede/5080 |
identifier_str_mv |
MELO, A. P. C. Peliculização de sementes de tomate associada ao paclobutrazol. 2013. 78 f. Dissertação (Mestrado em Agronomia) - Universidade Federal de Goiás, Goiânia, 2013. |
url |
http://repositorio.bc.ufg.br/tede/handle/tede/5080 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.program.fl_str_mv |
842119561133988381 |
dc.relation.confidence.fl_str_mv |
600 600 600 600 |
dc.relation.department.fl_str_mv |
4500684695727928426 |
dc.relation.cnpq.fl_str_mv |
-3091138714907603907 |
dc.relation.sponsorship.fl_str_mv |
-2555911436985713659 |
dc.rights.driver.fl_str_mv |
http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
http://creativecommons.org/licenses/by-nc-nd/4.0/ |
eu_rights_str_mv |
openAccess |
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UFG |
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Brasil |
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Universidade Federal de Goiás |
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