Vol. 11, Issue 8 (2022)

Author(s):
V Lahari, P Ashok, B Ramesh Babu and K Sasikala

Abstract:
The present investigation was carried out to evaluate Dolichos bean (Lablab purpureus L.) genotypes and studies on genetic variability, heritability and genetic advance were carried out. The experiment was conducted at Horticultural Research Station, Venkataramannagudem, A.P during Rabi season of 2021-2022. Total thirty three genotypes of Dolichos bean were evaluated in Randomized Block Design in two replications. Considerable amount of genotypic and phenotypic coefficient of variation was observed for all characters studied. Phenotypic coefficient of variation was greater than genotypic coefficient of variation for all the characters. Highest genotypic and phenotypic coefficient of variation were noted in the character pod yield per plant (68.79%, 68.86%) followed by number of pods per plant (64.43%, 64.48%), number of clusters per plant (55.72, 55.97). Heritability was observed high in all the characters. Highest heritability was reported in the characters number of pods per plant (99.83) and protein content (99.83) followed by days to 50% flowering (99.82), 100 seed weight (99.82), pod yield per plant (99.82). Genetic advance as percent of mean were recorded high in all characters except in plant height. Highest genetic advance as percent mean was observed in pod yield per plant (141.59).