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International Journal of Applied Agricultural & Horticultural Sciences
  • 29 April, 2024
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Language : English
DOI Prefix : 10.37322
P-ISSN : 0974-0775
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Vol. 4 (4) : July-August 2013 issue
Green Farming Vol. 4 (4) : 395-399 (July-August, 2013)
Isolation of superior segregants for yield and yield related traits in F2 and F3 populations of blackgram (Vigna mungo)
BASAMMA KUMARI1, P.M. SALIMATH2*, MALAGOUDA PATIL3 and BIRADAR SUMA4
Department of Genetics and Plant Breeding, University of Agricultural Sciences, Dharwad - 580005 (Karnataka)
Designation :  
1,3SRF, 2PI *(salimathpm@gmail.com), 4Jr. Breeder
Subject : Crop Genetics and Plant Breeding
Paper No. :
Total Pages : 5
Received : 15 September 2012
Revised accepted : 25 July 2013
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Citation :

BASAMMA KUMARI, P.M. SALIMATH, MALAGOUDA PATIL and BIRADAR SUMA. 2013. Isolation of superior segregants for yield and yield related traits in F2 and F3 populations of blackgram (Vigna mungo). Green Farming Vol. 4 (4) : 395-399 ; July-August, 2013

ABSTRACT
Selection for improvement of desirable traits will be successful only when it is performed based on reliable genetic parameters. An experiment was conducted by segregating populations of two inter hybrid combinations LBG-17 X TAU-1 and BDU-4 X TAU-1. Genetic parameters including mean, range, phenotypic coefficient of variation (PCV), genotypic coefficient of variation (GCV), heritability, genetic advance (GA) and genetic advance as per cent mean in F2 generations were assessed for yield and yield components viz., seed yield per plant, pod number per plant, pod length, number of seeds per pod and 100 seed weight. A wide range of variation was observed for all the characters in two segregating populations but wider range was observed in the cross BDU-4 X TAU-1 than the population LBG- 17 X TAU-1. BDU-4 X TAU-1 population recorded highest variance for number of pods per plant and 100 seed weight and it was on par for rest of the trait. Moderate to high estimates of genetic variation, heritability and the expected genetic advance were obtained for pod number and seed yield per plant. The study of phenotypic correlation indicated significant positive association of seed yield per plant with all yield attributing traits in both the populations except for seeds per pod in LBG-17 X TAU-1. The populations can be considered for improvement of traits with limited variability traits pods per plant and 100 seed weight using biparental mating to enhance further recombination by breaking the undesirable linkage among various component traits of seed yield. Based on F2 and F3 data few high yielding lines have been identified.
Key words :
Blackgram, Breeding, Correlation, Improvement, Population and Segregation, Vigna mungo.