Manejo de cultivo e qualidade de sementes de chia

Detalhes bibliográficos
Ano de defesa: 2016
Autor(a) principal: Rodrigues, Kelly Kaliane Rego da Paz
Orientador(a): Não Informado pela instituição
Banca de defesa: Não Informado pela instituição
Tipo de documento: Tese
Tipo de acesso: Acesso aberto
Idioma: por
Instituição de defesa: Não Informado pela instituição
Programa de Pós-Graduação: Não Informado pela instituição
Departamento: Não Informado pela instituição
País: Não Informado pela instituição
Palavras-chave em Português:
Link de acesso: http://www.repositorio.ufc.br/handle/riufc/21515
Resumo: The aim of this study was to evaluate the chia production technology with the use of triacontanol in the municipality of Pentecoste, Ceará. For this, he led the research at the Experimental Farm of the Curu Valley, located at Pentecoste - Ceará. We evaluated the following production components: plant height, number of panicles, productivity in grain and oil yield and oil, submitted to different row spacings (0.20 m, 0.30 m, 0.40 m e 0.50 m) and with and without application of triacontanol. For seed analysis variables considered were germination percentage, thousand seed weight and seed vigor tests, such as water content, first count, germination speed index and accelerated aging. In addition to the emergence speed index and the percentage of emergence, under four distinct environments, greenhouse with 30%, 50%, 70% shade and full sun, and two types of substrates, vermiculite and sand. The data were submitted to analysis of variance, where the average compared by Tukey test at 5% probability and quantitative data analyzed by polynomial regression. The triacontanol influence upon plant height (1.71 m) and productivity in grain, which caused an increase of 8.2% in plant height and 22.6% in productivity, with values ranging from 2196 kg ha-1 (0.20 m) to 1193 kg ha-1 (0.40 m). The yeld of oil under application of triacontanol was positive effect with a gain of 26.51% average, with the value of 466 kg ha-1. The highest oil was spaced 0.20 m and in the absence of the application of triacontanol, which varied 26.20% to 30.12%. Regarding the use of spacing, the denser planting resulted in increased productivity for both grain and for oil, but lower height of chia plants. On the types of shaders the cages, with 50% and 70% and vermiculite showed the best performance for the emergency speed index and emergence percentage.