Abstract
Background: Mungbean is an ancient pulse crop widely cultivated under different agro-ecological situations in India. It is the potential source of protein, essential minerals and vitamin-B (vitamin-C in sprouting grains). Pulses offer an alternative for diversification of agricultural system but poor yield renders them poor competitors of cereals, oilseeds and cash crops. So it is necessary to screen and identify phenotypically stable genotypes which could perform more or less uniformly under different conditions. The current study aimed to identify the high potential stable genotype and appropriate sowing time for mungbean cultivation in hot arid zone of Rajasthan. Methods: A field experiment was conducted with 35 mungbean genotypes over four environments created by four different dates of sowing in RBD with three replications at SKRAU, Bikaner during summer-2019 and Kharif-2019 using the model of Eberhart and Russell (1966). Result: Stability parameters revealed that genotype IC-39269 exhibited stable performance for number of seeds per pod, biological yield per plant and harvest index across the environments; whereas, IPM 02-3, MH 2-15 and RMG-344 exhibited stable performance for seed yield under favourable environment i.e. Kharif season; and genotype IC 103059 for stressed environment i.e. summer season.
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