CARACTERIZAÇÃO AGRONÔMICA E QUALIDADE FISIOLÓGICA DE SEMENTES DE ARROZ VERMELHO
2011
LUIZ BEJA MOREIRA | HIGINO MARCOS LOPES | BRUNA RAFAELA DA SILVA MENEZES | ALEXANDRA DE PAIVA SOARES | ELANIA RODRIGUES DA SILVA
The red rice in Brazil is cultivated mainly in the Northwester region and practically unknown for major of the Brazilian population. This culture have a great importance for small farmers, but needs more studies. The objective of this research was evaluate agronomics traits, the seed physiological quality and the crude protein content of selected cultivars of red rice, Vermelho Pequeno and Vermelho Virgínia, from cultivation and selection in the UFRRJ, contrasting with the commercial cultivars, Caiapó and BRS Primavera, of white rice. The experiment was installed in November of 2004, in Seropédica, RJ, in the experimental design of randomized blocks with four repetitions. It was evaluated: plant height; harvest index; number of viable tillers/ m²; number of spikiest/panicle; percentage of fertile spikelets/panicle; weight of a thousand spikelets; seed water content; weight of 1000 spikelets; productivity; germination; first counting of the germination test and crude protein content. The Vermelho Pequeno cultivar presented higher productivity of grain, higher tillering capacity, higher spikelets production, medium size, index of harvest, crude protein content and quality seed to similar to that of commercial cultivars.
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