Legume Research-An International Journal

COMBINING ABILITY FOR YIELD OVER ENVIRONMENT IN COWPEA [VIGNA UNGUICULATA (L.)WALP.]

Article Id: ARCC1307 | Page : 190 - 195
Citation :- COMBINING ABILITY FOR YIELD OVER ENVIRONMENT IN COWPEA [VIGNA UNGUICULATA (L.)WALP.].Legume Research-An International Journal.2010.(33):190 - 195
Bhawna Pandey and Y.V. Singh
Address : Department of Vegetable Science G.B.P.U.A. & T., Pantnagar-263 145, India

Abstract

In the present study six diverse genotypes (exotic and indigenous) of cowpea were
crossed in diallel fashion excluding reciprocals. Six parents and their 15 F1 were raised
in randomized block design with three replications during kharif, 2007 (E1) and summer,
2008 (E2) The best specific combiner for seed yield per plant was IT-97K-1042 X IT-98K-
1111 and IT-98K-205 X Pusa Komal. This cross combination emanated from parents
involving good X good and good X average gca effects. Pooled analysis of variance for
combining ability showed significant interaction of gca variances and sca variances with
environments except for virus and insect incidence indicating the role of environment
in influencing the gene effects.

Keywords

Combining ability GCA effects SCA effects

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