Volume 2, Issue 5 (4-2010)
J Crop Breed 2010, 2(5): 57-67 |
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(2010). Evaluation of Genetic Variation and Correlation Among Yield and Yield Components in Soybean Genotypes Using Multivariate Analysis. J Crop Breed. 2(5), 57-67.
URL: http://jcb.sanru.ac.ir/article-1-120-en.html
URL: http://jcb.sanru.ac.ir/article-1-120-en.html
Abstract: (8272 Views)
In order to evaluate genetic variation and path analysis of yield components and grain yield, 49 soybean genotypes were studied based on simple lattice design. Analysis of variance based on lattice design revealed significant differences among the genotypes for all the traits. The results of path analysis revealed that among yield components, 1000-seed weight showed significant positive direct effects on grain yield and number of seeds per pod and pods per plant were stayed in next step. Number of branches showed significant positive direct effect on pods per plant but it showed significant negative direct effect on seeds per plant. The genotypes showed maximum and minimum genetic variation for number of branches and pod length, respectively. Results of factor analysis revealed nominal yield components in first factor showed the most variation among the genotypes and the second factor expressing the metric yield components. In this study the genotypes M-45, Mustung, TN6.90, Calnoax and Tellar with the means of seed yield 4830, 4590, 4685, 4520 and 4380 kg ha-1 respectively, have considered as suitable genotypes for this trait and also they were classified as one statistical group, respectively.
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