2009•Vegetable ScienceOpen access
STABILITY ANALYSIS FOR YIELD AND YIELD ATTRIBUTES IN EARLY VEGETABLE PEA (PISUM SATIVUM L.) GENOTYPES
Satish Kumar Sanwal, Rajesh Kumar, Mathura Rai, Baljinder Singh
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Abstract
Thirty three pea genotypes grown in three consecutive years were evaluated for the stability of days to 50% flowering, number of pods/plant, average pod weight, number of seeds/pod, yield/plant and shelling percent. Significant differences existed among years, genotypes and genotypes x years interaction for all traits. Based on individual parameters of stability (X1, b1 and S2di), genotype VRPE-22 and VRPE-6 were found stable in performance over the years. The genotype VRPE-20 had significantly higher regression coefficients along with mean values above general mean for pod yield/plant indicating the scope for improve performance under favourable environment.