Relações de variáveis ambientais e subperíodos na produtividade e teor de óleo em canola
2014
The objective of the study was to evaluate the relationship among grain yield, oil content and subperiods of canola with thermal time and accumulated sunshine hours during of grain-filling phase and classify the importance of this variables about morphological differences observed. Three experiments were carried out with row spacing of 0.20, 0.40 and 0.60m. During two crop years (2008 and 2009), the genotypes 'Hyola 432' and 'Hyola 61' were evaluated in three plant densities (20, 40 e 60 plants m-2) in each experiment. The experimental design was to randomized blocks in factorial arrangement 2x2x3 (years x genotypes x densities), with four replicates. The thermal time in subperiod of flowering to physiological maturation is not associated directly to the yield and oil content in grains by plant arrangement. The days of emergence to the beginning of flowering, of emergence to late flowering and duration time of flowering in canola are variables more contribute to morphological variation total.
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