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Genotypic and phenotypic variances and correlations in field beans (Vicia faba L.)

  • T. E. Yassin (a1)

Estimates of genotypic and phenotypic variances and covariances were determined for yield and yield components in ten field beans varieties grown at two locations over three seasons.

Substantial amounts of genotypic variance were obtained for yield/plot, 1000-seed weight and number of pods/plant. Variability in number of seeds/pod and much of the variation in yield/plant was attributable to environmental effects and their interaction with the varieties. Seed yield/plot was closely and positively correlated with number of pods/plant and yield/plant, while it was closely and negatively correlated with 1000-seed weight.

The implications of these correlations for selection are discussed.

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H. A. Al-Jiboubi , P. A. Miller & H. F. Robinson (1958). Genotypic and environmental variances and co-variances in an Upland cotton cross of interspecific origin. Agron. J. 50, 633–6.

H. W. Johnson , H. Robinson R. E. Comstock (1955). Genotypic and phenotypic correlations in soybeans and their implications in selection. Agron. J. 47, 477–83.

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The Journal of Agricultural Science
  • ISSN: 0021-8596
  • EISSN: 1469-5146
  • URL: /core/journals/journal-of-agricultural-science
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