秋季中晚熟大白菜新品种“潍白69”的选育

Breeding of a New Mid-late Maturity Chinese Cabbage F_1 Hybrid—'Weibai 69' in Autumn

"潍白69"是以沈阳快菜为保持系回交转育的雄性不育系VMS08-08为母本,天津核桃纹选出的特殊单株BZ08-06为父本配制育成的大白菜一代杂种。生长期70~85d,株高69cm,开展度60cm,叶色浅绿,帮白而薄,叶面较皱、叶缘波浪状,无刺毛。叶球高桩直筒舒心型,球高55cm,球径20cm。球内淡黄芯。一般单球质量4.6kg,净菜率61.9%,软叶率35.2%。一般于8月中旬播种,立冬到小雪收获。宜起垄栽培,垄高20cm,垄间距70cm,株距45~50cm,平均667m2种植2 000株左右。

A new variety of Chinese cabbage ‘Weibai 69’ was bred by crossing two self-incompatible lines VMS08-08 and BZ08-06.It can be harvested in 70-85 days after sowing.The plant is 69 cm in height and 60 cm in width.The leaf is light green and petiole is white.The head is light yellow,55 cm in height and 20 cm in diameter.The average head weight is 4.6 kg and the ratio of net product is 61.9%.The soft leaf rate is 35.2%.It is suitable for ridge（the ridge height is 20 cm,space is 70 cm,row spacing is 45-50 cm）cultivation in open field in middle autumn by the density of 2 000 plants per 667 m2.