Comparing stability of snap bean genotypes
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Snap bean, Phaseolus vulgaris L., genotypes, environments, pod yield, stability and genotype x environmentIssue
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Copyright (c) 2010 Indian Journal of Horticulture

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Abstract
Six new Snap bean varieties viz.,’HAFB-3’, ‘HAFB-4’,‘DWD-FB-1’,’Arka Anoop’,‘VLFB-2004’ and ‘VLFB- 130’ were evaluated for three years along with checks viz., ‘IIHR-909’ and ‘Contender’ during 2005, 2006 and 2007 to study the genotype-environment interaction and stability for growth and yield traits at the University of Agricultural Sciences, Dharwad, Karnataka. The varieties were sown in randomized block design with three replication within each season. Considerable amount of variability was noticed among the genotypes as there was a significant varietal difference. Significant mean squares due to environments for many of the traits indicated that the environments were different. Similarly, G X E (linear) were nonsignificant for many of the traits except average pod weight indicating that the genotypes responded similarly as the environments changes. And, the magnitude of regression coefficient and deviation from regression varied from genotype to genotype. The genotypes ‘DWD-FB-1’ and ‘HAFB-3’ are stable for many of the traits and these are suitable to cultivate in kharif season.
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