Isozyme analysis as a tool for introgression of Sinapis alba germ plasm into Brassica napus.

Isozyme analysis of Brassica napus cv 'Topas' and CGRC5006 as well as of Sinapis alba cv 'Emergo' revealed significant polymorphism between the two species for the isozymes, aconitate hydratase, glucose phosphate isomerase, and diaphorase. F1 hybrids between B. napus '5006' and S.