Effects of nitrogen fertilization on development, flowering, and mineral nutrition of potted Costus productus Gleason ex Maas

Autor(es)

Merida, Daniela ; Lopes Pivetta, Kathia Fernandes ; Mazzini-Guedes, Renata Bachin ; Ferreira de Castro, Carlos Eduardo ; Villani Purquerio, Luis Felipe

• Tipo de documento: Artigo Científico
• Fonte: JOURNAL OF PLANT NUTRITION; v. 40, n. 7, p. 1045-1052, 2017.
• Citações Web of Science: 2

Resumo

Due to the lack of information on mineral nutrition of ornamental plants, especially tropical species, we aimed to evaluate the effects of nitrogen fertilization on development, flowering, and mineral nutrition of potted Costus productus. Plants were cultivated along 1year under protection in Ubatuba, SAo Paulo State, Brazil, and submitted to five treatments that corresponded to increasing nitrogen doses (0.0, 1.2, 2.4, 3.6, and 4.8g N plant(-1)). Evaluated plant variables were potted development, height, dry matter of aerial part, number of inflorescences, and nutritional status. Analysis of variance and linear and polynomial regressions were performed for definition of the best adjustments according to the combination of significance and greater determination coefficient. The nitrogen fertilization positively influenced development, flowering, and mineral nutrition of potted C. productus plants, and the dose of 4.8g N plant(-1) promoted best results (AU)

• Processo FAPESP: 11/04138-1 - Crescimento e produção de Costus productus Maas como planta de vaso em função de doses de nitrogênio
• Beneficiário: Daniela Merida
• Modalidade de apoio: Bolsas no Brasil - Mestrado