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Evidence for Yield Stability in Selected Landraces of Bean (Phaseolus vulgaris)

Published online by Cambridge University Press:  03 October 2008

Eric Ayeh
Eric Ayeh
Affiliation:
Bunda College of Agriculture, Box 219, Lilongwe, Malawi
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Summary

Yield stability in beans from diverse sources in Malawi was estimated using the statistical parameters of genotype X environment variance, slope and standard error from regression. The heterozygous F2 and the most complex synthetic mixture were very stable, although not significantly different from some pure genotypes. The mean yields of most mixtures were marginally higher than the average of their components. There was a linear relationship between magnitude of diversity and stability. Evidence for heterozygote advantage was demonstrated.

Type
Research Article
Information
Experimental Agriculture , Volume 24 , Issue 3 , July 1988 , pp. 367 - 373
Copyright
Copyright © Cambridge University Press 1988

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References

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