Alterações fisiológicas em sementes de gergelim (Sesamum Indicum L.) armazenamento, estresse hídrico e salino
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Biblioteca Digital de Teses e Dissertações da UFRPE |
Texto Completo: | http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/8433 |
Resumo: | The sesame (Sesamum indicum L.) is an oilseed very cultivated under rainfed conditions and represents for the producers of the Brazilian Northeast an income alternative, due to its tolerance to the edaphoclimatic conditions of the region. The research was carried out at the Seed Analysis Laboratory and at the Biotechnology Laboratory, both, from the Federal Rural University of Pernambuco / Garanhuns Academic Unit (UFRPE / UAG) in order to verify physiological and biochemical changes in sesame seeds, cultivar Anahí. , stored and also subjected to water and saline stress. Three experiments were performed; In the first, the seeds were placed in three packages (cloth, paper and tin) and stored in three environments (laboratory, freezer and refrigerator) for 12 months. Before and after each storage period, the physiological and biochemical characteristics were evaluated: determination of moisture content, germination, germination speed index, length and total dry mass of seedlings, catalase (CAT) enzyme activities, ascorbate peroxidase ( APX) and superoxide dismutase (SOD). In the second experiment, he evaluated the effect of water stress using polyethylene glycol (PEG 6000) solutions with osmotic potentials of 0.0 (control); -0.2; -0.4; and -0.6 MPa. In the third experiment, the effect of saline stress using sodium chloride (NaCl) was evaluated at five levels of salinity: 0.0 (control); -0.1; -0.2; -0.3; -0.4 Mpa. To evaluate water and saline stresses, germination percentage, germination speed index, total length and dry mass of seedlings and biochemical analyzes (chlorophylls, carotenoid, total soluble sugars) were computed. The storage of sesame seeds, cultivar Anahí, can be carried out in refrigerator and freezer environments, packed in a tin box for twelve months to maintain the physiological quality of the seeds. The activities of the enzymes Catalase, Ascorbate peroxidase and superoxide dismutase can be used as tools to indicate the deterioration of stored sesame seeds. Sesame seeds drastically reduce the physiological quality of their seeds and photosynthetic pigments in water potential simulated with polyethylene glycol from -0.4 MPa. Germination, vigor, chlorophyll, carotenoids, total soluble sugars contents decrease markedly from the -0.3MPa potential simulated with NaCl. |
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GONÇALVES, Edilma PereiraMOREIRA, Keila AparecidaLIMA, Juliana Joice PereiraFERREIRA, Débora Teresa da Rocha Gomeshttp://lattes.cnpq.br/2667299001497671RODRIGUES, Caroline Marques2019-12-18T13:38:43Z2019-07-30RODRIGUES, Caroline Marques. Alterações fisiológicas em sementes de gergelim (Sesamum Indicum L.) armazenamento, estresse hídrico e salino. 2019. 99 f. Dissertação (Programa de Pós-Graduação em Produção Agrícola) - Universidade Federal Rural de Pernambuco, Garanhuns.http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/8433The sesame (Sesamum indicum L.) is an oilseed very cultivated under rainfed conditions and represents for the producers of the Brazilian Northeast an income alternative, due to its tolerance to the edaphoclimatic conditions of the region. The research was carried out at the Seed Analysis Laboratory and at the Biotechnology Laboratory, both, from the Federal Rural University of Pernambuco / Garanhuns Academic Unit (UFRPE / UAG) in order to verify physiological and biochemical changes in sesame seeds, cultivar Anahí. , stored and also subjected to water and saline stress. Three experiments were performed; In the first, the seeds were placed in three packages (cloth, paper and tin) and stored in three environments (laboratory, freezer and refrigerator) for 12 months. Before and after each storage period, the physiological and biochemical characteristics were evaluated: determination of moisture content, germination, germination speed index, length and total dry mass of seedlings, catalase (CAT) enzyme activities, ascorbate peroxidase ( APX) and superoxide dismutase (SOD). In the second experiment, he evaluated the effect of water stress using polyethylene glycol (PEG 6000) solutions with osmotic potentials of 0.0 (control); -0.2; -0.4; and -0.6 MPa. In the third experiment, the effect of saline stress using sodium chloride (NaCl) was evaluated at five levels of salinity: 0.0 (control); -0.1; -0.2; -0.3; -0.4 Mpa. To evaluate water and saline stresses, germination percentage, germination speed index, total length and dry mass of seedlings and biochemical analyzes (chlorophylls, carotenoid, total soluble sugars) were computed. The storage of sesame seeds, cultivar Anahí, can be carried out in refrigerator and freezer environments, packed in a tin box for twelve months to maintain the physiological quality of the seeds. The activities of the enzymes Catalase, Ascorbate peroxidase and superoxide dismutase can be used as tools to indicate the deterioration of stored sesame seeds. Sesame seeds drastically reduce the physiological quality of their seeds and photosynthetic pigments in water potential simulated with polyethylene glycol from -0.4 MPa. Germination, vigor, chlorophyll, carotenoids, total soluble sugars contents decrease markedly from the -0.3MPa potential simulated with NaCl.O gergelim (Sesamum indicum L.) é uma oleaginosa muito cultivada em condições de sequeiro e representa para os produtores do Nordeste Brasileiro uma alternativa de renda, em virtude de possuir tolerância as condições edafoclimáticas da região. A pesquisa foi desenvolvida no Laboratório de Análise de Sementes e no laboratório de Biotecnologia, da Universidade Federal Rural de Pernambuco/Unidade Acadêmica de Garanhuns (UFRPE/UAG,) com o objetivo de verificar alterações fisiológicas e bioquímicas em sementes de gergelim, cultivar Anahí, armazenadas e submetidas ao estresse hídrico e salino. Foram realizados três experimentos; no primeiro, as sementes foram acondicionadas em três embalagens (pano, papel e lata) e armazenadas em três ambientes (laboratório, freezer e geladeira) durante 12 meses. Antes e após cada período de armazenamento, avaliou-se as características fisiológicas e bioquímicas: determinação do teor de umidade, germinação, índice de velocidade de germinação, comprimento e massa seca total das plântulas, atividades das enzimas Catalase (CAT), Ascorbato Peroxidase (APX) e Superóxido Dismutase (SOD). No segundo experimento, avaliou-se o efeito do estresse hídrico utilizando soluções de polietilenoglicol (PEG 6000) com os potenciais osmóticos de 0,0 (controle); -0,2; -0,4; e -0,6 MPa. No terceiro experimento foi avaliado o efeito do estresse salino utilizando o cloreto de sódio (NaCl), em cinco níveis de salinidade: 0,0 (controle); -0,1; -0,2; -0,3; -0,4 Mpa. Para avaliação dos estresses hídricos e salinos foram computados a porcentagem de germinação, índice de velocidade de germinação, comprimento e massa seca total de plântulas e as análises bioquímica (clorofilas, carotenoide, açucares solúveis totais). O armazenamento das sementes de gergelim, cultivar Anahí, pode ser realizado em ambientes de geladeira e/ou freezer e acondicionadas em embalagem de lata por doze meses para manutenção da qualidade fisiológica das sementes. As atividades das enzimas CAT, APX E SOD podem ser utilizadas como ferramentas para indicar a deterioração de sementes de gergelim armazenadas. As sementes de gergelim reduzem drasticamente sua qualidade fisiológica e os pigmentos fotossintéticos das plântulas em potenciais hídricos simulado com PEG 6000 a partir de -0,4 MPa. A germinação, vigor, os teores de clorofilas, carotenoides, açucares solúveis totais reduzem acentuadamente a partir do potencial -0,3MPa simulado com NaCl.Submitted by Mario BC (mario@bc.ufrpe.br) on 2019-12-18T13:38:43Z No. of bitstreams: 1 Caroline Marques Rodrigues.pdf: 1200511 bytes, checksum: 107ff74520646c2a38a0e59ee3db3080 (MD5)Made available in DSpace on 2019-12-18T13:38:43Z (GMT). No. of bitstreams: 1 Caroline Marques Rodrigues.pdf: 1200511 bytes, checksum: 107ff74520646c2a38a0e59ee3db3080 (MD5) Previous issue date: 2019-07-30Conselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPqapplication/pdfporUniversidade Federal Rural de PernambucoPrograma de Pós-Graduação em Produção AgrícolaUFRPEBrasilUnidade Acadêmica de GaranhunsGergelimSesamum IndicumArmazenamentoEstresse hídricoEstresse salinoSementeCIENCIAS AGRARIASAlterações fisiológicas em sementes de gergelim (Sesamum Indicum L.) armazenamento, estresse hídrico e salinoinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesis-723645219733019298560060060060077205141824112794117828424726906663919-2555911436985713659info:eu-repo/semantics/openAccessreponame:Biblioteca Digital de Teses e Dissertações da UFRPEinstname:Universidade Federal Rural de Pernambuco (UFRPE)instacron:UFRPEORIGINALCaroline Marques Rodrigues.pdfCaroline Marques Rodrigues.pdfapplication/pdf1200511http://www.tede2.ufrpe.br:8080/tede2/bitstream/tede2/8433/2/Caroline+Marques+Rodrigues.pdf107ff74520646c2a38a0e59ee3db3080MD52LICENSElicense.txtlicense.txttext/plain; charset=utf-82165http://www.tede2.ufrpe.br:8080/tede2/bitstream/tede2/8433/1/license.txtbd3efa91386c1718a7f26a329fdcb468MD51tede2/84332019-12-26 10:46:26.565oai:tede2: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Biblioteca Digital de Teses e Dissertaçõeshttp://www.tede2.ufrpe.br:8080/tede/PUBhttp://www.tede2.ufrpe.br:8080/oai/requestbdtd@ufrpe.br ||bdtd@ufrpe.bropendoar:2024-05-28T12:36:58.297939Biblioteca Digital de Teses e Dissertações da UFRPE - Universidade Federal Rural de Pernambuco (UFRPE)false |
dc.title.por.fl_str_mv |
Alterações fisiológicas em sementes de gergelim (Sesamum Indicum L.) armazenamento, estresse hídrico e salino |
title |
Alterações fisiológicas em sementes de gergelim (Sesamum Indicum L.) armazenamento, estresse hídrico e salino |
spellingShingle |
Alterações fisiológicas em sementes de gergelim (Sesamum Indicum L.) armazenamento, estresse hídrico e salino RODRIGUES, Caroline Marques Gergelim Sesamum Indicum Armazenamento Estresse hídrico Estresse salino Semente CIENCIAS AGRARIAS |
title_short |
Alterações fisiológicas em sementes de gergelim (Sesamum Indicum L.) armazenamento, estresse hídrico e salino |
title_full |
Alterações fisiológicas em sementes de gergelim (Sesamum Indicum L.) armazenamento, estresse hídrico e salino |
title_fullStr |
Alterações fisiológicas em sementes de gergelim (Sesamum Indicum L.) armazenamento, estresse hídrico e salino |
title_full_unstemmed |
Alterações fisiológicas em sementes de gergelim (Sesamum Indicum L.) armazenamento, estresse hídrico e salino |
title_sort |
Alterações fisiológicas em sementes de gergelim (Sesamum Indicum L.) armazenamento, estresse hídrico e salino |
author |
RODRIGUES, Caroline Marques |
author_facet |
RODRIGUES, Caroline Marques |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
GONÇALVES, Edilma Pereira |
dc.contributor.advisor-co1.fl_str_mv |
MOREIRA, Keila Aparecida |
dc.contributor.referee1.fl_str_mv |
LIMA, Juliana Joice Pereira |
dc.contributor.referee2.fl_str_mv |
FERREIRA, Débora Teresa da Rocha Gomes |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/2667299001497671 |
dc.contributor.author.fl_str_mv |
RODRIGUES, Caroline Marques |
contributor_str_mv |
GONÇALVES, Edilma Pereira MOREIRA, Keila Aparecida LIMA, Juliana Joice Pereira FERREIRA, Débora Teresa da Rocha Gomes |
dc.subject.por.fl_str_mv |
Gergelim Sesamum Indicum Armazenamento Estresse hídrico Estresse salino Semente |
topic |
Gergelim Sesamum Indicum Armazenamento Estresse hídrico Estresse salino Semente CIENCIAS AGRARIAS |
dc.subject.cnpq.fl_str_mv |
CIENCIAS AGRARIAS |
description |
The sesame (Sesamum indicum L.) is an oilseed very cultivated under rainfed conditions and represents for the producers of the Brazilian Northeast an income alternative, due to its tolerance to the edaphoclimatic conditions of the region. The research was carried out at the Seed Analysis Laboratory and at the Biotechnology Laboratory, both, from the Federal Rural University of Pernambuco / Garanhuns Academic Unit (UFRPE / UAG) in order to verify physiological and biochemical changes in sesame seeds, cultivar Anahí. , stored and also subjected to water and saline stress. Three experiments were performed; In the first, the seeds were placed in three packages (cloth, paper and tin) and stored in three environments (laboratory, freezer and refrigerator) for 12 months. Before and after each storage period, the physiological and biochemical characteristics were evaluated: determination of moisture content, germination, germination speed index, length and total dry mass of seedlings, catalase (CAT) enzyme activities, ascorbate peroxidase ( APX) and superoxide dismutase (SOD). In the second experiment, he evaluated the effect of water stress using polyethylene glycol (PEG 6000) solutions with osmotic potentials of 0.0 (control); -0.2; -0.4; and -0.6 MPa. In the third experiment, the effect of saline stress using sodium chloride (NaCl) was evaluated at five levels of salinity: 0.0 (control); -0.1; -0.2; -0.3; -0.4 Mpa. To evaluate water and saline stresses, germination percentage, germination speed index, total length and dry mass of seedlings and biochemical analyzes (chlorophylls, carotenoid, total soluble sugars) were computed. The storage of sesame seeds, cultivar Anahí, can be carried out in refrigerator and freezer environments, packed in a tin box for twelve months to maintain the physiological quality of the seeds. The activities of the enzymes Catalase, Ascorbate peroxidase and superoxide dismutase can be used as tools to indicate the deterioration of stored sesame seeds. Sesame seeds drastically reduce the physiological quality of their seeds and photosynthetic pigments in water potential simulated with polyethylene glycol from -0.4 MPa. Germination, vigor, chlorophyll, carotenoids, total soluble sugars contents decrease markedly from the -0.3MPa potential simulated with NaCl. |
publishDate |
2019 |
dc.date.accessioned.fl_str_mv |
2019-12-18T13:38:43Z |
dc.date.issued.fl_str_mv |
2019-07-30 |
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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masterThesis |
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publishedVersion |
dc.identifier.citation.fl_str_mv |
RODRIGUES, Caroline Marques. Alterações fisiológicas em sementes de gergelim (Sesamum Indicum L.) armazenamento, estresse hídrico e salino. 2019. 99 f. Dissertação (Programa de Pós-Graduação em Produção Agrícola) - Universidade Federal Rural de Pernambuco, Garanhuns. |
dc.identifier.uri.fl_str_mv |
http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/8433 |
identifier_str_mv |
RODRIGUES, Caroline Marques. Alterações fisiológicas em sementes de gergelim (Sesamum Indicum L.) armazenamento, estresse hídrico e salino. 2019. 99 f. Dissertação (Programa de Pós-Graduação em Produção Agrícola) - Universidade Federal Rural de Pernambuco, Garanhuns. |
url |
http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/8433 |
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por |
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por |
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Universidade Federal Rural de Pernambuco |
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UFRPE |
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Unidade Acadêmica de Garanhuns |
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Universidade Federal Rural de Pernambuco |
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