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4. | | MIGLIORANZA, E.; ARAÚJO, R. de; ENDO, R. M.; SOUZA, J. R. P. de; MONTANARI, M. A. Teor de cálcio em frutos de diferentes cultivares de feijão-vagem. Horticultura Brasileira, Brasília, v. 21, n. 2, p. 159-162, abr./jun. 2003. Biblioteca(s): Embrapa Hortaliças. |
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5. | | ARAUJO, R.; MIGLIORANZA, E.; SOUZA, J. R. P. de; ENDO, R. M.; QUINTANA, J. M.; NIENHUIS, J. Concentracao de calcio em frutos de diferentes cultivares de feijao-vagem . Horticultura Brasileira, Brasilia, v.18, p.672-673, jul. 2000. Suplemento. Trabalho apresentado no 40. Congresso Brasileiro de Olericultura, 2000. Biblioteca(s): Embrapa Hortaliças. |
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Registro Completo
Biblioteca(s): |
Embrapa Soja. |
Data corrente: |
14/01/2005 |
Data da última atualização: |
14/01/2005 |
Autoria: |
BIZETI, H. S.; CARVALHO, C. G. P. de; SOUZA, J. R. P. de; DESTRO, D. |
Título: |
Path analysis under multicollinearity in soybean. |
Ano de publicação: |
2004 |
Fonte/Imprenta: |
Brazilian Archives of Biology and Technology, Curitiba, vol. 47, no. 5, p. 669-676, Sept. 2004. |
Idioma: |
Inglês |
Conteúdo: |
This study aimed to establish the phenotypic correlations among several soybean traits with grain yield in direct and indirect effects using path analysis, and to compare alternative methods for minimizing the adverse effects of multicollinearity in estimating path coefficients. The experiment was conducted in greenhouse in a randomized complete block design with four replications. Nine soybean genotypes belonging to three seed size categories were used. The correlation studies and the path analysis showed that the seed size was not important for increased yield. The number of nodes and plant height at maturity showed significant correlation with grain yield. Using the least square methodology, the results obtained by path analysis under multicollinearity were not satisfactory. The ridge path analysis and the trait culling were efficient in reducing the adverse effects of multicollinearity. Both methods showed that only the number of nodes at maturity trait had a high direct effect on grain yield per plant. |
Categoria do assunto: |
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Marc: |
LEADER 01490naa a2200157 a 4500 001 1467770 005 2005-01-14 008 2004 bl --- 0-- u #d 100 1 $aBIZETI, H. S. 245 $aPath analysis under multicollinearity in soybean. 260 $c2004 520 $aThis study aimed to establish the phenotypic correlations among several soybean traits with grain yield in direct and indirect effects using path analysis, and to compare alternative methods for minimizing the adverse effects of multicollinearity in estimating path coefficients. The experiment was conducted in greenhouse in a randomized complete block design with four replications. Nine soybean genotypes belonging to three seed size categories were used. The correlation studies and the path analysis showed that the seed size was not important for increased yield. The number of nodes and plant height at maturity showed significant correlation with grain yield. Using the least square methodology, the results obtained by path analysis under multicollinearity were not satisfactory. The ridge path analysis and the trait culling were efficient in reducing the adverse effects of multicollinearity. Both methods showed that only the number of nodes at maturity trait had a high direct effect on grain yield per plant. 700 1 $aCARVALHO, C. G. P. de 700 1 $aSOUZA, J. R. P. de 700 1 $aDESTRO, D. 773 $tBrazilian Archives of Biology and Technology, Curitiba, vol. 47, no. 5, p. 669-676, Sept. 2004.
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