Q. E. Unit of CIRCOT Agricultural Farm, Athwa, Surat 395007.
An experiment with eight established varieties of Asiatic cottons were used for nonreciprocal diallel crossing. Intrinsic fineness was evaluated in F1 and F2 generations. Combining ability and genetic components were found out. Fibre fineness was governed by additive type of gene action. In both generations, general combining ability was significant.
Combining ability, intrinsic fineness, hybrid vigour