Stability analysis in fenugreek (Trigonella foenum-graecum L.)
Thirty genotypes of fenugreek were grown at Instructional Farm, JAU, Junagadh in three different environments created by manipulating dates of sowing during rabi season of the year 2012-2013. Stability analysis was carried out to identify phenotypically stable genotypes. Pooled analysis of variance for stability in the performance of different genotypes of fenugreek were significant for all the characters viz., days to 50% flowering, plant height, number of pods per plant, number of seeds per pod, days to maturity and seed yield per plant . Mean square due to G×E was highly significant for all the characters and significant mean square due to environment (linear) indicated the existence of real genotypic differences in characters for regression over environmental mean. On the basis of stability component analysis, four genotypes viz., RMt-1, AFg-1, RMt-143 and AM-326 were found stable for seed yield per plant as having high mean, regression coefficient near to unity and least non-significant deviation.
Fenugreek, g×e interactions, regression coefficient, stability
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