Primary leaf growth and coleoptile length in maize seedlings
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| Natura: | Artículo científico |
| Lingua: | en |
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Universidade Estadual de Maringá
2018
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| _version_ | 1876433785960005632 |
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| author | Camila Aparecida Lopes |
| author_facet | Camila Aparecida Lopes |
| contents | Primary leaf growth and coleoptile length in maize seedlings Camila Aparecida Lopes Maria Laene Moreira de Carvalho Michelle Conceição Vasconcelos Ana Maria Pereira Ribeiro Heloísa Oliveira dos Santos Agrociencias org siir client lignin enzymes 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. 2018 artículo científico 1679-9275 https://www.redalyc.org/articulo.oa?id=303058204049 https://www.redalyc.org/journal/3030/303058204049/ https://www.redalyc.org/journal/3030/303058204049/html/ https://www.redalyc.org/journal/3030/303058204049/303058204049.epub https://www.redalyc.org/journal/3030/303058204049/movil 10.4025/actasciagron.v40i1.35366 en http://www.redalyc.org/revista.oa?id=3030 Acta Scientiarum. Agronomy application/pdf Universidade Estadual de Maringá Acta Scientiarum. Agronomy (Brasil) Vol.40 |
| format | Artículo científico |
| id | redalyc_303058204049 |
| institution | Redalyc |
| language | en |
| publishDate | 2018 |
| publisher | Universidade Estadual de Maringá |
| spellingShingle | Primary leaf growth and coleoptile length in maize seedlings Camila Aparecida Lopes Agrociencias org siir client lignin enzymes Primary leaf growth and coleoptile length in maize seedlings Camila Aparecida Lopes Maria Laene Moreira de Carvalho Michelle Conceição Vasconcelos Ana Maria Pereira Ribeiro Heloísa Oliveira dos Santos Agrociencias org siir client lignin enzymes 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. 2018 artículo científico 1679-9275 https://www.redalyc.org/articulo.oa?id=303058204049 https://www.redalyc.org/journal/3030/303058204049/ https://www.redalyc.org/journal/3030/303058204049/html/ https://www.redalyc.org/journal/3030/303058204049/303058204049.epub https://www.redalyc.org/journal/3030/303058204049/movil 10.4025/actasciagron.v40i1.35366 en http://www.redalyc.org/revista.oa?id=3030 Acta Scientiarum. Agronomy application/pdf Universidade Estadual de Maringá Acta Scientiarum. Agronomy (Brasil) Vol.40 |
| title | Primary leaf growth and coleoptile length in maize seedlings |
| topic | Agrociencias org siir client lignin enzymes |
| url | https://www.redalyc.org/articulo.oa?id=303058204049 https://www.redalyc.org/journal/3030/303058204049/ https://www.redalyc.org/journal/3030/303058204049/html/ https://www.redalyc.org/journal/3030/303058204049/303058204049.epub https://www.redalyc.org/journal/3030/303058204049/movil |