highly significantP < 0.01
T i j ( c a l ) for sca of crosses = ( s i j − 0 SE ( s i j ) ) The gca effects of lines and testers and sca effects of crosses were marked significant (* P < 0.05) and highly significant (** P < 0.01) when values of Ti , Tj and Tij were ≥‘ t ’ tabulated values at infinity (∞) error degree of freedom.