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- Title
INHERITANCE STUDY OF DIFFERENT AGRONOMIC TRAITS IN MUNG × MASH INTERSPECIFIC RECOMBINANT GENOTYPES.
- Authors
Abbas, G.; Ahsan, M.; Saleem, M.; Ahmad, R.
- Abstract
Inheritance study for various agronomic traits was first time conducted in 5 x 5 mungbean × mashbean interspecific recombinant genotypes. Highly significant general and specific combining ability (GCA & SCA) effects were observed among parents and their hybrids for days to flowering, days to maturity, clusters per plant and pods per plant however, pod length, 100-seed weight and seed yield per plant had significant GCA but non-significant SCA effects. The GCA/SCA ratios for all traits except 100-seed weight were less than unity indicating the preponderance of non-additive gene action. GCA/SCA ratio was more than unity for 100-seed weight showing the preponderance of additive gene action. Heterosis breeding for the improvement of all traits while, recombination breeding for 100-seed weight were suggested. The genotype MMH 4224 was observed to be good general combiner for seed yield and their related trait i.e. clusters per plant, pods per plant and pod length. The best specific cross combinations for the improvement of days to flower and maturity, plant height and clusters per plant were MMH 4224 × MMH 7124, MMH 7124 × MMH 4255 and MMH 1115 × MMH 2112. Special consideration must be given to cross combination MMH 7124 × MMH 4255 to improve clusters per plant in mungbean.
- Subjects
MUNG bean; BLACK gram; RECOMBINANT DNA; PLANT size; PLANT breeding; GENOTYPES
- Publication
JAPS: Journal of Animal & Plant Sciences, 2016, Vol 26, Issue 1, p149
- ISSN
1018-7081
- Publication type
Article