Influência do tamanho e da forma da semente de milho sobre o desenvolvimento da planta e a produtividade de grãos

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dc.contributor.authorVazquez, Gisele Herbst [UNESP]
dc.contributor.authorArf, Orivaldo [UNESP]
dc.contributor.authorSargi, Bruno Antonio
dc.contributor.authorPessoa, Allan Cesar Okamoto
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)
dc.contributor.institutionEngenheiro Agrônomo
dc.date.accessioned2022-04-29T02:55:18Z
dc.date.available2022-04-29T02:55:18Z
dc.date.issued2012-03-12
dc.description.abstractDue to the small and the round seeds represent a rather high proportion of an ear, this experiment viewed to study the effects of those factors on seed germinative performance in the field as well as on the plant traits related to grain yield. Six treatment combinations replicated five times were sown in Votuporanga/SP on 08/22/2008. Flat shaped (C) and round shaped (R) seeds were made to go through flat round and oblong hole screens which resulted in the following treatments: 1. C1: seeds remaining on the top of a 23/64 round hole screen, 2. C2G: 21/64, 3. C3M: 17/64 or 16/64, 4. R2GM: medium length seeds remaining on the top of 13 x 3/4 oblong hole screen, 5. R3M: medium length seeds remaining on a 12 x 3/4 (from 1 to 2 mm bigger than R3), and 6. R3: 12 x 3/4. The soil of the experimental area was submitted to a no-till cultivation system and the rows were set 0.6 m apart from one another. Fifteen days after emergence (DAE), the plants were thinned to a population of 66,000 plants/ha-1. Harvest took place 115 DAE and the mean yield was of 12,498 kg ha-1. Based on the results it was concluded that only the initial growth of the plants is significantly affected by seed size. Plant traits such as plant height, ear insertion height, culm diameter, number of grains per year, grain weight and size as well as grain yield evaluated 40 or more DAE are not significantly affected by seed size or seed shape.en
dc.description.affiliationDepartamento de Fitotecnia Tecnologia de Alimentos e Sócio Economia -DFTASE Universidade Estadual Paulista - UNESP, Ilha Solteira, SP
dc.description.affiliationDepartamento de Produção Vegetal, UNICASTELO, Fernandópolis, SP
dc.description.affiliationDFTASE - UNESP, Ilha Solteira, SP
dc.description.affiliationEngenheiro Agrônomo, Fernandópolis, SP
dc.description.affiliationUnespDepartamento de Fitotecnia Tecnologia de Alimentos e Sócio Economia -DFTASE Universidade Estadual Paulista - UNESP, Ilha Solteira, SP
dc.description.affiliationUnespDFTASE - UNESP, Ilha Solteira, SP
dc.format.extent16-24
dc.identifier.citationBioscience Journal, v. 28, n. 1, p. 16-24, 2012.
dc.identifier.issn1516-3725
dc.identifier.issn1981-3163
dc.identifier.scopus2-s2.0-84857875735
dc.identifier.urihttp://hdl.handle.net/11449/226735
dc.language.isoeng
dc.language.isopor
dc.relation.ispartofBioscience Journal
dc.sourceScopus
dc.subjectClassification of seed
dc.subjectScreen
dc.subjectSeed processing
dc.subjectZea mays
dc.titleInfluência do tamanho e da forma da semente de milho sobre o desenvolvimento da planta e a produtividade de grãospt
dc.title.alternativeCorn seed size and shape influence on plant growth and grain yielden
dc.typeArtigo

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