抄録
Self seed fertility in the artificially synthesized rape (C0-1) = colchi-amphidiploid = obtained from the crosses between n=10 and n=9 groups in Brassica, was extremely poor. In this paper, the author discrebes the change of self-fertility in the first to the fifth generation of CO-1. Seed-fertility describes the self-produced stocks of C0-1 was not high but generally low. However, when they were crossed with some commercial varieties of rape, their progenies showed as high fcrtility as the commercial varieties.
