Tolerance to delay in drying of hybrid maize seeds related to parental line and temperature
Autor(a) principal: | |
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Data de Publicação: | 2021 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFLA |
Texto Completo: | http://repositorio.ufla.br/jspui/handle/1/50761 |
Resumo: | This study aimed to evaluate the effect of genetic composition and arrangement between female and male parents on tolerance to delayed drying of maize seeds, evaluating the physiological quality and enzyme expression. Ears were harvested close to the stage of physiological maturity (around 35% moisture) and the genotypes were identified as line 1 (L1), line 2 (L2), the hybrid (HB - ♀L1 and ♂L2), and the reciprocal hybrid (HR - ♀L2 and ♂L1). For assessment of physiological quality, CDR (4x6x2) was used, consisting of four genotypes, six times of delay before artificial drying (10, 18, 24, 28, 32, and 40 hours), and two drying delay temperatures (42 and 48 °C). DIC (4x3) was used for enzymatic expression, consisting of four genotypes and three delay times before artificial drying (10, 24 and 40 hours) at 48 °C. Analysis of variance F (p < 0.05), Tukey’s test (p < 0.05), and analysis of polynomial regressions were performed on the data. Lineage arrangement affects seed tolerance to drying delay. Therefore, susceptible lines should not be used as female parents. The seeds of the line most susceptible (L2) to delay in drying exhibit less expression of α-amylase (α-AM). |
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Tolerance to delay in drying of hybrid maize seeds related to parental line and temperatureα-amylaseSeed deteriorationGerminationLate embryogenesis abundant proteins (LEA) proteinsVigorSementes - DeterioraçãoGerminaçãoProteínas LEAThis study aimed to evaluate the effect of genetic composition and arrangement between female and male parents on tolerance to delayed drying of maize seeds, evaluating the physiological quality and enzyme expression. Ears were harvested close to the stage of physiological maturity (around 35% moisture) and the genotypes were identified as line 1 (L1), line 2 (L2), the hybrid (HB - ♀L1 and ♂L2), and the reciprocal hybrid (HR - ♀L2 and ♂L1). For assessment of physiological quality, CDR (4x6x2) was used, consisting of four genotypes, six times of delay before artificial drying (10, 18, 24, 28, 32, and 40 hours), and two drying delay temperatures (42 and 48 °C). DIC (4x3) was used for enzymatic expression, consisting of four genotypes and three delay times before artificial drying (10, 24 and 40 hours) at 48 °C. Analysis of variance F (p < 0.05), Tukey’s test (p < 0.05), and analysis of polynomial regressions were performed on the data. Lineage arrangement affects seed tolerance to drying delay. Therefore, susceptible lines should not be used as female parents. The seeds of the line most susceptible (L2) to delay in drying exhibit less expression of α-amylase (α-AM).Objetivou-se avaliar o efeito da composição genética e arranjo entre progenitores fêmea e macho sobre a tolerância ao atraso na secagem de sementes de milho, avaliando a qualidade fisiológica e a expressão enzimática. As espigas foram colhidas próximo ao ponto de maturidade fisiológica (cerca de 35% de umidade) e genótipos identificados como linhagem 1 (L1), linhagem 2 (L2), híbrido (HB - ♀L1 e ♂L2) e o híbrido recíproco (HR - ♀L2 e ♂L1). Para avaliação da qualidade fisiológica, foi utilizado DIC (4x6x2), constituído de quatro genótipos, seis tempos de atraso antes da secagem artificial (10, 18, 24, 28, 32 e 40 horas) e duas temperaturas no retardamento de secagem (42 e 48 °C). Para avaliar a expressão enzimática, utilizou-se DIC (4x3), consistindo de quatro genótipos e três tempos de atraso antes da secagem artificial (10, 24 e 40 horas) à 48 °C. Em posse dos dados, foram realizados a análise de variância F (p < 0,05), teste de Tukey (p < 0,05) e análise de regressão polinomial. O arranjo das linhagens afeta a tolerância das sementes ao retardamento na secagem. Linhagens suscetíveis não devem ser usadas como parentais femininos. As sementes da linhagem mais suscetível (L2) ao retardamento da secagem apresentam menor expressão de α-amilase (α-AM).Associação Brasileira de Tecnologia de Sementes2022-07-28T22:22:19Z2022-07-28T22:22:19Z2021info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfCOSTA, J. C. da et al. Tolerance to delay in drying of hybrid maize seeds related to parental line and temperature. Journal of Seed Science, [S.l.], v.43, 2021.http://repositorio.ufla.br/jspui/handle/1/50761Journal of Seed Sciencereponame:Repositório Institucional da UFLAinstname:Universidade Federal de Lavras (UFLA)instacron:UFLAAttribution 4.0 Internationalhttp://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessCosta, Júlia Camargos daCarvalho, Everson ReisSilva Neta, Izabel CostaSantos, Milena ChristyCabral Neto, Luciano DiasRocha, Débora Kellieng2022-07-28T22:22:19Zoai:localhost:1/50761Repositório InstitucionalPUBhttp://repositorio.ufla.br/oai/requestnivaldo@ufla.br || repositorio.biblioteca@ufla.bropendoar:2022-07-28T22:22:19Repositório Institucional da UFLA - Universidade Federal de Lavras (UFLA)false |
dc.title.none.fl_str_mv |
Tolerance to delay in drying of hybrid maize seeds related to parental line and temperature |
title |
Tolerance to delay in drying of hybrid maize seeds related to parental line and temperature |
spellingShingle |
Tolerance to delay in drying of hybrid maize seeds related to parental line and temperature Costa, Júlia Camargos da α-amylase Seed deterioration Germination Late embryogenesis abundant proteins (LEA) proteins Vigor Sementes - Deterioração Germinação Proteínas LEA |
title_short |
Tolerance to delay in drying of hybrid maize seeds related to parental line and temperature |
title_full |
Tolerance to delay in drying of hybrid maize seeds related to parental line and temperature |
title_fullStr |
Tolerance to delay in drying of hybrid maize seeds related to parental line and temperature |
title_full_unstemmed |
Tolerance to delay in drying of hybrid maize seeds related to parental line and temperature |
title_sort |
Tolerance to delay in drying of hybrid maize seeds related to parental line and temperature |
author |
Costa, Júlia Camargos da |
author_facet |
Costa, Júlia Camargos da Carvalho, Everson Reis Silva Neta, Izabel Costa Santos, Milena Christy Cabral Neto, Luciano Dias Rocha, Débora Kelli |
author_role |
author |
author2 |
Carvalho, Everson Reis Silva Neta, Izabel Costa Santos, Milena Christy Cabral Neto, Luciano Dias Rocha, Débora Kelli |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Costa, Júlia Camargos da Carvalho, Everson Reis Silva Neta, Izabel Costa Santos, Milena Christy Cabral Neto, Luciano Dias Rocha, Débora Kelli |
dc.subject.por.fl_str_mv |
α-amylase Seed deterioration Germination Late embryogenesis abundant proteins (LEA) proteins Vigor Sementes - Deterioração Germinação Proteínas LEA |
topic |
α-amylase Seed deterioration Germination Late embryogenesis abundant proteins (LEA) proteins Vigor Sementes - Deterioração Germinação Proteínas LEA |
description |
This study aimed to evaluate the effect of genetic composition and arrangement between female and male parents on tolerance to delayed drying of maize seeds, evaluating the physiological quality and enzyme expression. Ears were harvested close to the stage of physiological maturity (around 35% moisture) and the genotypes were identified as line 1 (L1), line 2 (L2), the hybrid (HB - ♀L1 and ♂L2), and the reciprocal hybrid (HR - ♀L2 and ♂L1). For assessment of physiological quality, CDR (4x6x2) was used, consisting of four genotypes, six times of delay before artificial drying (10, 18, 24, 28, 32, and 40 hours), and two drying delay temperatures (42 and 48 °C). DIC (4x3) was used for enzymatic expression, consisting of four genotypes and three delay times before artificial drying (10, 24 and 40 hours) at 48 °C. Analysis of variance F (p < 0.05), Tukey’s test (p < 0.05), and analysis of polynomial regressions were performed on the data. Lineage arrangement affects seed tolerance to drying delay. Therefore, susceptible lines should not be used as female parents. The seeds of the line most susceptible (L2) to delay in drying exhibit less expression of α-amylase (α-AM). |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021 2022-07-28T22:22:19Z 2022-07-28T22:22:19Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
COSTA, J. C. da et al. Tolerance to delay in drying of hybrid maize seeds related to parental line and temperature. Journal of Seed Science, [S.l.], v.43, 2021. http://repositorio.ufla.br/jspui/handle/1/50761 |
identifier_str_mv |
COSTA, J. C. da et al. Tolerance to delay in drying of hybrid maize seeds related to parental line and temperature. Journal of Seed Science, [S.l.], v.43, 2021. |
url |
http://repositorio.ufla.br/jspui/handle/1/50761 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.rights.driver.fl_str_mv |
Attribution 4.0 International http://creativecommons.org/licenses/by/4.0/ info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Attribution 4.0 International http://creativecommons.org/licenses/by/4.0/ |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Associação Brasileira de Tecnologia de Sementes |
publisher.none.fl_str_mv |
Associação Brasileira de Tecnologia de Sementes |
dc.source.none.fl_str_mv |
Journal of Seed Science reponame:Repositório Institucional da UFLA instname:Universidade Federal de Lavras (UFLA) instacron:UFLA |
instname_str |
Universidade Federal de Lavras (UFLA) |
instacron_str |
UFLA |
institution |
UFLA |
reponame_str |
Repositório Institucional da UFLA |
collection |
Repositório Institucional da UFLA |
repository.name.fl_str_mv |
Repositório Institucional da UFLA - Universidade Federal de Lavras (UFLA) |
repository.mail.fl_str_mv |
nivaldo@ufla.br || repositorio.biblioteca@ufla.br |
_version_ |
1807835071689785344 |