Parental order vis-a-vis per se performance in multi-way crosses of Indian mustard (Brassica juncea L.Czern and Coss)

Abstract

Multi-way crosses have provided valuable information on the relative importance of arrangement of parents (order effects) in these hybrids. The crosses belonging to same group showed variable per S9 performance despite the commonality of parents involved. A persual of combining ability effects for seed yield and oil content revealed the predominance of two line specific effects of second kind (dominance) being associated with order effects of parents In three-way crosses. Further, order of the parents in three-way crosses also indicated, that the per se performance for seed yield was not related to percentage of genetic contribution either by the high yielding grand parents (contributing 25% each) or by immediate parent (contributing 50%).