Castor bean cake in top-dressing application as a source of nitrogen on the production and quality of zucchini organic seeds

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorIntegrated Faculties Aparício Carvalho-
Autor(es): dc.creatorLanna, Natália de Brito Lima-
Autor(es): dc.creatorBardiviesso, Estefânia Martins-
Autor(es): dc.creatorTavares, Ana Emília Barbosa-
Autor(es): dc.creatorSilva, Priscilla Nátaly de Lima-
Autor(es): dc.creatorNakada-Freitas, Pâmela Gomes-
Autor(es): dc.creatorNoda, Sayuri Beatriz Hara-
Autor(es): dc.creatorCardoso, Antonio Ismael Inácio-
Data de aceite: dc.date.accessioned2025-08-21T22:16:47Z-
Data de disponibilização: dc.date.available2025-08-21T22:16:47Z-
Data de envio: dc.date.issued2022-05-01-
Data de envio: dc.date.issued2022-05-01-
Data de envio: dc.date.issued2019-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.14393/BJ-v36n0a2020-53563-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/233109-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/233109-
Descrição: dc.descriptionStudies in vegetables show that fertilization influences seed production positively, however, when the quality of the seeds is analyzed, the results are mostly inconsistent. The objective of this study was to evaluate the effect of castor bean cake (CBC) dose splitting in top-dressing application on the production and quality of zucchini organic seeds, as well as its effect on the macronutrient content of fruits and seeds. The experimental design was a randomized block design and four replications. There were 13 treatments with four doses of CBC in top-dressing (1.7, 3.4, 5.1 and 6.8 t ha-1) per three applications (33.3-33.3-33.3%, 50-50% and 33-50-17%) and the control treatment without any kind of top-dressing fertilization. The study evaluated the number of ripe fruits per plant, the production (number and mass) of seeds per fruit and per plant, the mass of one hundred seeds, seed germination, first germination count, and macronutrient content in the diagnosis leaf, in mature fruits (without seeds) and seeds. The number of ripe fruits per plant was not affected by the CBC doses in top-dressing, neither by the splitting of the applications. It was observed that the number of seeds per fruit, mass of seeds per fruit and mass of seeds per plant showed quadratic behavior. Regarding seed quality, only the 1.7; 3.4 and 5.1 t ha-1 doses produced seed with superior quality than the other doses. In conclusion, the CBC doses increased the number of seeds per fruit, mass of seeds per fruit and per plant up to the 4.5t ha-1 dose, approximately.-
Descrição: dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
Descrição: dc.descriptionDepartment of Horticulture Paulista State University “Júlio de Mesquita Filho” College of Agricultural Science-
Descrição: dc.descriptionIntegrated Faculties Aparício Carvalho-
Descrição: dc.descriptionDepartment of Crop Science Paulista State University “Júlio de Mesquita Filho” College of Agricultural and Technological Sciences-
Descrição: dc.descriptionDepartment of Horticulture Paulista State University “Júlio de Mesquita Filho” College of Agricultural Science-
Descrição: dc.descriptionDepartment of Crop Science Paulista State University “Júlio de Mesquita Filho” College of Agricultural and Technological Sciences-
Descrição: dc.descriptionCAPES: 001-
Formato: dc.format130-142-
Idioma: dc.languageen-
Relação: dc.relationBioscience Journal-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectCucurbita pepo-
Palavras-chave: dc.subjectGermination-
Palavras-chave: dc.subjectNitrogen fertilization-
Palavras-chave: dc.subjectOrganic fertilization-
Palavras-chave: dc.subjectVigor-
Título: dc.titleCastor bean cake in top-dressing application as a source of nitrogen on the production and quality of zucchini organic seeds-
Título: dc.titleTorta de mamona em cobertura como fonte de nitrogênio na produção e qualidade de sementes orgânicas de abobrinha-de-moita-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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