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| Santos,Célio Trzeciak dos; Dalpasquale,Valdecir Antoninho; Scapim,Carlos Alberto; Braccini,Alessandro de Lucca e; Krzyzanowski,Francisco Carlos. |
| The experiment was carried out to evaluate the time for harvesting seeds of three hybrids of corn (Zea mays L.) at their best physiological quality and the use of the milk line as an indicator of the physiological seed maturity. Single hybrids CD 1723 and CD 5501 and double hybrid OC 705 seeds were collected for 59 days, every four days, starting 23 days after female flowering. Seed dry weight, moisture content, germination, vigour (cold and accelerated aging tests), black layer formation and seed milk line development were analysed. The harvesting time started 47 days after female flowering with high physiological quality of the seeds identified by a joint analysis of those seven characteristics of them. The milk line at stage 4 proved to be the best... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Corn; Seeds; Harvesting time; Milk line. |
| Ano: 2005 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132005000200001 |
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| Jacob Junior,Elias Abrahão; Mertz,Liliane Marcia; Henning,Fernando Augusto; Peske,Silmar Teichert; Villela,Francisco Amaral; Labbé,Leopoldo Mario Baudet. |
| The aim of this study was to identify the ideal maize seed harvest moment by different characteristics, as black layer formation, milk line development, seed moisture content and seed dry matter accumulation. Three simple hybrids from Syngenta Company were used in this work; ears from plants in the same development stage were collected, the first harvesting began 40 days after flowering, at four days interval until all seeds in an ear had the black layer formation. The characteristics evaluated were: black layer formation, milk line development, seed moisture content and seed dry matter. Seed physiological quality was evaluated by germination test, cold test, accelerated ageing and electrical conductivity. Results obtained in this study showed that the... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Zea mays; Milk line; Black layer. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782014000200010 |
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