Publicação: Correlação e análise de trilha como critério de seleção indireta para produtividade de aquênios de girassol
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The study was conducted in two different locations in South Brazil, in tillage in the 2009/2010 season on eight sunflower hybrids, aiming to determine the path correlations and coefficients between primary and secondary characters on the main variable of achene productivity. The correlations were similar between environments. The characters of the head diameter and mass of a thousand achenes had a significant influence on sunflower productivity. Based on the magnitude of the direct and indirect effects, we highlighted all primary components on the main variable, beside the good determination coefficient and low residual effect. The secondary component, the number of achenes, despite the significant direct effect on productivity, was indirectly influenced by the primary components, making it an undesirable character for selection.
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Components, Helianthus annuusL, Selection, Yield
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Inglês
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Bioscience Journal, v. 30, n. 5, p. 768-773, 2014.
