Abstract:

Zheyan 5 is a first generation hybrid of early maturing Chinese cabbage developed by Tongxiang Lvhe Agricultural Technology Development Limited Company, using the self incompatible line TW-6-2-6-5 as the female parent and the self incompatible line JC-3-5-6-3 as the male parent. The variety was harvested 55-60 days after sowing. The plant has an upright growth habit, with a tube shaped leaf bulb, white middle ribs, green leaves, nearly circular leaf shape, a height of 40 cm, a width of 40-45 cm, and a full leaf margin. The center of the ball is yellow, with a height of 30.0 cm and a lateral diameter of 15 cm. The net weight of a single ball is about 1.40 kg, and the 667 m² yield is 4 660.0 kg. The variety was heat resistant, moisture resistant, highly resistant to viral diseases, moderately resistant to downy mildew. This variety is suitable for cultivation as a seedling type cabbage in summer and as a heading cabbage in autumn in Zhejiang, Jiangsu, Anhui and similar ecological regions.

Key words: Chinese cabbage, Zheyan 5, hybrid generation, breeding, cultivation techniques