Vol. 12, Issue 6 (2023)

Author(s):
Pramila, Dinesh, SP Singh, Langute Pandurang Nana, Udit Kumar and Shiv Narayan Dhaker

Abstract:
The current research was conducted during the year 2020-21 at Vegetable Research Farm of Dr. Rajendra Prasad Central Agricultural University, Pusa, Samastipur, Bihar. The experimental materials included twenty genotypes of pointed gourd, along with a check variety Swarn Rekha. The experiment was carried out in RBD design, with three replications and spacing of 2m × 1m. The findings were recorded on fourteen quantitative traits. The ANOVA indicated existence of highly significant variations among the genotypes for all the characters studied suggesting the existence of abundant extent of variability among the experimented material. The majority of the yield attributing traits including fruit yield exhibited high heritability combined with high GAM, inferring the preponderance of additive gene action which will facilitates in early generation selection on the basis of such traits. The twenty genotypes used for genetic divergence analysis were categorized into six distinct clusters. Highest number of genotypes were entered in Cluster I, because they may be genetically identical with each other The inter-cluster D2 values of the six clusters depicted that maximum inter-cluster generalized distance (876.82) was between Cluster II and Cluster V, suggesting that to have the superior heterotic recombinants. Materials under investigation in terms of their contribution % to maximal diversity for the attributes of the seed-to-pulp ratio and the node at which the first blossom emerged.