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Variability for yield and its component traits under different population improvement schemes in pigeonpea Millsp



Variability for yield and its component traits under different population improvement schemes in pigeonpea Millsp



Crop Research 12(2): 150-154



The present study was undertaken to assess the relative efficiency of four population improvement schemes in increasing the variability for yield and its component traits and comparing with the base population. Mean and genetic variance increased in all the four selection schemes (after completion of one cycle of selection) for all the traits except for plant height. In general, the magnitude of variability measured in terms of phenotypic coefficient of variation averaged over different populations was maximum for seed yield per plant followed by pods per plant, primary branches and plant height. Among different population improvement schemes used, the maximum genetic variability was noticed in selfed progeny selection, while its magnitude was lowest in half-sib progeny selection.

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