| Registro completo |
| Provedor de dados: |
Agronomy
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| País: |
Brazil
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| Título: |
Primary leaf growth and coleoptile length in maize seedlings
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| Autores: |
Lopes, Camila Aparecida
Carvalho, Maria Laene Moreira de
Vasconcelos, Michelle Conceição
Ribeiro, Ana Maria Pereira
Santos, Heloísa Oliveira dos
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| Data: |
2018-05-15
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| Ano: |
2018
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| Palavras-chave: |
Ciências agrárias
Agronomia
Fitotecnia ea mays L.
Germination test
Lignin
Enzymes. Qualidade de sementes
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| Resumo: |
Evaluation of the physiological potential of maize seeds during the certification process is performed by a germination test. However, some tests show a delay in the growth of aerial seedling organs that does not reflect seed lot behavior in the field. This study aims to investigate the effects of genotype, water, light and temperature on differential primary leaf growth compared to coleoptile length in maize seedlings. Seeds from two simple hybrids and their reciprocal crosses that showed slow primary leaf growth were evaluated according to physiological quality, morphology, histochemistry, and enzymatic expression. There were differences among maize genotypes regarding initial primary leaf growth when compared to the coleoptile, especially when germination was tested without light. Water availability and optimal temperature range did not affect the differential growth of the primary leaf in the hybrids. Pericarp thickness, lignin content and differences in enzyme expression in different genotypes were also not related to changes in the relationship of primary leaf growth with coleoptile length during the maize seed germination test.
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| Tipo: |
Info:eu-repo/semantics/article
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| Idioma: |
Inglês
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| Identificador: |
http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/35366
10.4025/actasciagron.v40i1.35366
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| Editor: |
Universidade Estadual de Maringá
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| Relação: |
http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/35366/pdf
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| Formato: |
application/pdf
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| Fonte: |
Acta Scientiarum. Agronomy; v. 40 (2018): Publicação Contínua; e35366
Acta Scientiarum. Agronomy; v. 40 (2018): Publicação Contínua; e35366
1807-8621
1679-9275
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| Direitos: |
Direitos autorais 2018 Acta Scientiarum. Agronomy
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