大白菜新品种金秋90的选育

A New Chinese Cabbage Cultivar,Jinqiu 90

金秋90是以细胞质雄性不育系RC7为母本、以自交系03S1207为父本配制而成的秋播、晚熟、高产大白菜一代杂种。生长期90 d;球叶浅绿色,白帮,叶球高桩合抱,长炮弹形;叶球纵径52 cm,横径16 cm,球形指数3.3;单球质量4.0～5.0 kg,净球率80%;产量90～100 t/hm2;高抗霜霉病,抗病毒病和黑腐病;适应性好,丰产稳产,耐贮运。该品种适宜在山西、河北、北京、内蒙、陕西、甘肃、贵州、广西、辽宁等地种植。

Jinqiu 90 is an autumn sowing,high quality and late-maturing Chinese cabbage F1 Hybrid developed by cytoplasmic male sterile line RC7（female） and inbred line 03S1207（male）.Its growth period is 70 days with light green leaf and white leafstalk.The leafy head is vertical cylinder type,compact and long shell shape,52 cm in height,16 cm in diameter,and the sphericity index is 3.3.The average weight of singe head is 4.0-5.0 kg,and the edible rate is 80%.Its yield is 90-100 t/hm2.It has high diseases resistance,strong adaptability,high and stable yield,and excellent storage capacity.Jinqiu 90 is suitable for planting in the Shanxi,Hebei,Beijing,Inner Mongolia,Gansu,Guizhou,Guangxi,Liaoning.