摘 要 ：芸薹属内遗传和变异类型极其丰富，这为芸薹属植物种间杂交提供了条件。通过甘蓝(B. oleracea，2n=CC=18)和芥菜型油菜（2n=AABB=36）的种间杂交可以获得六倍体新物种，为油菜育种创造新的种质资源。本文选用芥菜型油菜和黄籽羽衣甘蓝(B. oleracea var. aceaphala，2n=CC=18)进行种间杂交，在10个杂交组合中，共授粉559朵花，
Abstract:There are abundant genetic types available for making interspecific hybrids in Brassica. New sextuploid species (2n=AABBCC=54) can be obtained through interspecific hybridization between Brassica juncea (2n=AABB=36) and Brassica oleracea (2n=CC=18). 10 crosses between B. juncea and B. oleracea var.