The present invention provides novel Brassica campestris L. ssp. chinensis Hongkyeongchae, and a seed thereof by abandoning an interspecific hybrid F1 of Brassica campestris var. Chinensis and Brassica koreana Lee var. redleaf for the stabilization of a hybrid embryo, back crossing a F2 plant by using Brassica campestris var. Chinensis as a seed parent, obtaining various lines of plants having the shape of conventional Brassica campestris var. Chinensis and showing a red color, obtaining a plurality of red Brassica campestris var. Chinensis from the progenies obtained by back crossing various lines of B1F1 plants selected from the obtained plants with Brassica campestris var. Chinensis, and carrying out line acclimation and a self-incompatibility test, a seed productivity test and a local adaption test of a remarkable line of a plant having the shape of conventional Brassica campestris var. Chinensis and showing a red color.
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