利用异源胞质雄性不育系选育不结球白菜品种翠夏

Breeding of a New Hybrid Varity of Non-heading Chinese Cabbage Cuixia Using Cytoplasmic Male-sterility with Yellow Seedling

翠夏是以带有遗传标记的小白菜异源胞质雄性不育系黄苗寒青A-22为母本,以小白菜BC071为父本配制的耐热小白菜杂交品种。不育系黄苗寒青A-22不育株率达100%,不育度>95%,性状稳定一致,苗期叶色表现黄色遗传标记。翠夏表现耐热、抗病、优质,具有较强的杂种优势,667m2产量4500～6200kg,目前已在国内推广种植。

Cuixia is a new hybrid Chinese cabbage with heat tolerance developed by crossing non-heading Chinese cabbage Huangmiao Hanqing A-22 as a female parent with BC071 as a male parent.Huangmiao Hanqing A-22 is a CMS line with 100% plants having male sterility over 95%.The yellow seedling of Huangmiao Hanqing A-22 can serve as seedling marker.Cuixia is tolerant,resistant to diseases and is good in quality.667 m2 yield is 4 500-6 200 kg.