Combining ability analysis was done using 20 FIS and 20 F2 families obtained from a 5 X 5
dialIel mating design for yield and its components, viz. dusters/plant, pods/plant, total dry
matter, grain yield, harvest index, and 100-grain weight. Highly significant gca, sca and
reciprocal variances were observed in both Ft and F2 generations for alI the characters
.studied. The gca : sca variance ratio and the estimates of gca effects were similar in Fl and
F2 generation for alI the characters except for pods/plant. CO 4 and CO 5 were good general
combiners for dusters/plant, total dry matter production, grain yield and 100-grain weight;
UG 135 and UG 191 for high harvest index; and T 9 for dusters/plant.
Keywords: Blackgram, Vigna mungo, combining ability.
Article DOI: NA
Print ISSN: 0019-5200
Online ISSN: 0975-6906
P. SHANMUGASUNDARAM AND S. R. SREE RANGASAMY info_circle