用萝卜细胞质雄性不育系配制的大白菜新品种‘金秋 70’和‘金秋 90’

 ‘金秋70’和‘金秋90’系西北农林科技大学园艺学院和杨凌上科农业科技有限公司用萝卜细胞质雄性不育系配制的秋大白菜一代杂种，株型直立紧凑，高桩直筒形，生长势强，产量高，叶球紧实，品质优良，综合抗病性强，适应性广。‘金秋70’中熟，生长期70 d，单球质量3.5 ~ 4.0 kg，产量75 ~ 85 t · hm-2。‘金秋90’晚熟，生长期90 d，单球质量4.0 ~ 5.0 kg，产量90 ~ 100 t · hm-2。

New Chinese Cabbage Cultivars 'Jinqiu 70' and 'Jinqiu 90' Developed by Using the Radish Cytoplasmic Male Sterile Line

The new Chinese cabbage cultivars‘Jinqiu 70’and‘Jinqiu 90’were developed by using radish cytoplasmic male sterile line. They are vertical cylinder-type and compact tight in leafy head，with vigour，high yield，high quality，comprehensive disease resistance and strong adaptability. They are suitable to cultivate in vertical cylinder-type Chinese cabbage areas.‘Jinqiu 70’is a mid-maturing F1 generation. The fertility cycle is 70 d. The average single head weight is 3.5–4.0 kg. The yield is 75–85 t · hm-2.‘Jinqiu 90’is a late-maturing F1 generation. The growth period is 90 d. The average single head weight is 4.0–5.0 kg. The yield is 90–100 t · hm-2.