Seed reserves reduction rate and reserves mobilization to the seedling explain the vigour of maize seeds
Autor(a) principal: | |
---|---|
Data de Publicação: | 2019 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Journal of Seed Science |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2317-15372019000400488 |
Resumo: | Abstract: Understanding how the seed reserve dynamics occurs during germination and seedling formation is determinant for advancements on seed technology. The aims of this study were: to verify which accelerated ageing temperature is the most effective to separate the vigour levels of maize seeds and to evaluate the reserves dynamics during germination and seedling formation process. Seven maize cultivars were submitted to the germination rate, accelerated ageing, thousand seed weight, total seedling length, shoot and root length, dry matter of seed and seedling, remaining dry matter in the endosperm, seed reserves reduction rate, conversion efficiency of reserves, reserves mobilization rate to the seedling and energy expenditure using the completely randomized statistical design. The reserves dynamics and seedling formation depends on the genotype and the initial seed vigour. Accelerated ageing at 45 °C for 72 hours is the most efficient combination to segregate vigour levels. Genotypes with higher seed reserve utilisation efficiency have higher vigour, producing seedlings with higher dry matter, higher total, shoot and root length, regardless of seed weight. The two rates evaluated prompt us to conclude that they explain the maize seed vigour and can be used in quality control programs to select high physiological quality cultivars. |
id |
ABRATES-1_d750970c22e8e19508bf69b417554817 |
---|---|
oai_identifier_str |
oai:scielo:S2317-15372019000400488 |
network_acronym_str |
ABRATES-1 |
network_name_str |
Journal of Seed Science |
repository_id_str |
|
spelling |
Seed reserves reduction rate and reserves mobilization to the seedling explain the vigour of maize seedsZea mays L.seed reserves utilizationgerminationphysiological qualityAbstract: Understanding how the seed reserve dynamics occurs during germination and seedling formation is determinant for advancements on seed technology. The aims of this study were: to verify which accelerated ageing temperature is the most effective to separate the vigour levels of maize seeds and to evaluate the reserves dynamics during germination and seedling formation process. Seven maize cultivars were submitted to the germination rate, accelerated ageing, thousand seed weight, total seedling length, shoot and root length, dry matter of seed and seedling, remaining dry matter in the endosperm, seed reserves reduction rate, conversion efficiency of reserves, reserves mobilization rate to the seedling and energy expenditure using the completely randomized statistical design. The reserves dynamics and seedling formation depends on the genotype and the initial seed vigour. Accelerated ageing at 45 °C for 72 hours is the most efficient combination to segregate vigour levels. Genotypes with higher seed reserve utilisation efficiency have higher vigour, producing seedlings with higher dry matter, higher total, shoot and root length, regardless of seed weight. The two rates evaluated prompt us to conclude that they explain the maize seed vigour and can be used in quality control programs to select high physiological quality cultivars.ABRATES - Associação Brasileira de Tecnologia de Sementes2019-10-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S2317-15372019000400488Journal of Seed Science v.41 n.4 2019reponame:Journal of Seed Scienceinstname:Associação Brasileira de Tecnologia de Sementes (ABRATES)instacron:ABRATES10.1590/2317-1545v41n4227354info:eu-repo/semantics/openAccessAndrade,Gisiane Camargo deCoelho,Cileide Maria MedeirosPadilha,Matheus Santineng2019-12-03T00:00:00Zoai:scielo:S2317-15372019000400488Revistahttp://www.scielo.br/scielo.php?script=sci_serial&pid=2317-1537&lng=en&nrm=isohttps://old.scielo.br/oai/scielo-oai.php||abrates@abrates.org.br2317-15452317-1537opendoar:2019-12-03T00:00Journal of Seed Science - Associação Brasileira de Tecnologia de Sementes (ABRATES)false |
dc.title.none.fl_str_mv |
Seed reserves reduction rate and reserves mobilization to the seedling explain the vigour of maize seeds |
title |
Seed reserves reduction rate and reserves mobilization to the seedling explain the vigour of maize seeds |
spellingShingle |
Seed reserves reduction rate and reserves mobilization to the seedling explain the vigour of maize seeds Andrade,Gisiane Camargo de Zea mays L. seed reserves utilization germination physiological quality |
title_short |
Seed reserves reduction rate and reserves mobilization to the seedling explain the vigour of maize seeds |
title_full |
Seed reserves reduction rate and reserves mobilization to the seedling explain the vigour of maize seeds |
title_fullStr |
Seed reserves reduction rate and reserves mobilization to the seedling explain the vigour of maize seeds |
title_full_unstemmed |
Seed reserves reduction rate and reserves mobilization to the seedling explain the vigour of maize seeds |
title_sort |
Seed reserves reduction rate and reserves mobilization to the seedling explain the vigour of maize seeds |
author |
Andrade,Gisiane Camargo de |
author_facet |
Andrade,Gisiane Camargo de Coelho,Cileide Maria Medeiros Padilha,Matheus Santin |
author_role |
author |
author2 |
Coelho,Cileide Maria Medeiros Padilha,Matheus Santin |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Andrade,Gisiane Camargo de Coelho,Cileide Maria Medeiros Padilha,Matheus Santin |
dc.subject.por.fl_str_mv |
Zea mays L. seed reserves utilization germination physiological quality |
topic |
Zea mays L. seed reserves utilization germination physiological quality |
description |
Abstract: Understanding how the seed reserve dynamics occurs during germination and seedling formation is determinant for advancements on seed technology. The aims of this study were: to verify which accelerated ageing temperature is the most effective to separate the vigour levels of maize seeds and to evaluate the reserves dynamics during germination and seedling formation process. Seven maize cultivars were submitted to the germination rate, accelerated ageing, thousand seed weight, total seedling length, shoot and root length, dry matter of seed and seedling, remaining dry matter in the endosperm, seed reserves reduction rate, conversion efficiency of reserves, reserves mobilization rate to the seedling and energy expenditure using the completely randomized statistical design. The reserves dynamics and seedling formation depends on the genotype and the initial seed vigour. Accelerated ageing at 45 °C for 72 hours is the most efficient combination to segregate vigour levels. Genotypes with higher seed reserve utilisation efficiency have higher vigour, producing seedlings with higher dry matter, higher total, shoot and root length, regardless of seed weight. The two rates evaluated prompt us to conclude that they explain the maize seed vigour and can be used in quality control programs to select high physiological quality cultivars. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-10-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2317-15372019000400488 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2317-15372019000400488 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/2317-1545v41n4227354 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
ABRATES - Associação Brasileira de Tecnologia de Sementes |
publisher.none.fl_str_mv |
ABRATES - Associação Brasileira de Tecnologia de Sementes |
dc.source.none.fl_str_mv |
Journal of Seed Science v.41 n.4 2019 reponame:Journal of Seed Science instname:Associação Brasileira de Tecnologia de Sementes (ABRATES) instacron:ABRATES |
instname_str |
Associação Brasileira de Tecnologia de Sementes (ABRATES) |
instacron_str |
ABRATES |
institution |
ABRATES |
reponame_str |
Journal of Seed Science |
collection |
Journal of Seed Science |
repository.name.fl_str_mv |
Journal of Seed Science - Associação Brasileira de Tecnologia de Sementes (ABRATES) |
repository.mail.fl_str_mv |
||abrates@abrates.org.br |
_version_ |
1754212982921887744 |