Induced mutation studies in some mung bean cultivars

Muhammad Yaqoob; Bashir Ahmad

Sarhad Journal of Agriculture 19(1): 13-19

2003


Accession: 003811097

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Abstract
The effects of induced mutation by gamma irradiation (100, 200, 300, 400 and 500 Gy) on various agronomic traits of five mung bean cultivars (NM-19-19, M-22-24, M-29-37, M-38-54 and M-133-100) were studied in D.I. Khan, Pakistan, during 1990-92. A wide range of variability was observed for all the characters except plant height. The genotypic effect on days to flowering, days to maturity, plant height, number of branches, number of pods and number of clusters ranged from 43.82 to 44.96 days, 87.60 to 91.75 days, 42.16 to 51.61 cm, 1.83 to 2.07, 16.97 to 21.46 and 4.44 to 5.56, respectively. The mutagenic effects on days to 50% flowering, days to maturity, plant height, number of branches, number of pods and number of clusters per plant ranged from 44.05 to 45.62 days, 88.62 to 91.83 days, 47.07 to 48.43 cm, 1.62 to 2.00, 17 to 22.30 and 4.53 to 5.50, respectively. The genotype x gamma radiation interaction was highly significant for days to 50% flowering, days to maturity, number of branches and number of clusters, and not significant for plant height and number of pods.