Parental order vis-a-vis per se performance in multi-way crosses of Indian mustard (brassica juncea L. czern and coss)
2002
Rao, N.V.P.R. Ganga | Gulati, S.C.(Indian Agricultural Research Institute, New Delhi(India). Division of Genetics)
Multi-way crosses have provided valuable information on the relative importance of arrangemnet of parents (order effects) in these hybrids. The crosses belonging to same group showed variable per se 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%).
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