Open Conference Systems, 3rd KOBI Congress, International and National Conferences

Font Size: 
Diallel analysis of mungbean for yield and some important traits
Trustinah Trustinah

Last modified: 2020-11-14

Abstract


Dialell analysis has been widely used to study the genetic basis of a character. The purpose of this study was to determine the effect of the combining ability of mungbean. The study was conducted in the screenhouse of Iletri at Malang, East Java during the dry season of 2014. Five genotypes of mungbean were studied in diallel with fixed effect model (method I). The significant of general combining ability (gca) and special combining ability (sca) for all observed traits showed the importance of both additive and dominance gene effects. The relative value of gca was greater than sca for number of clusters, number of branches, plant height, day to maturity, and weight of 100 seed indicated the importance of the effect of additive genes, whereas the effect of dominance genes was seen on the number of pods and seed yield. Among the parents, G3 had good gca for all observed characters except for pod length indicated that these parents could be exploited for late maturity, small seed size, high yield, high plant performance, and a large number of branches and clusters. G5 had a high gca for the weight of 100 seeds. Both genotypes were prospective to be used as parents in mungbean improvement of small and large seed varieties. G1 and G2 have good gca for early maturity. The best combination for seed yields were at the cross G2xG3 and G3xG1. The next combination was G3xG5 which has sca for all observed characters except pod length and maturity.


Keywords


Keywords: diallel, sca, gca, resiproc, Vigna radiata (L.)