早熟大白菜新品种津秋606的选育

津秋606是由自交不亲和系H79和J185配制而成的秋早熟直筒叠抱型大白菜一代杂种，生育期65 d（天）左右，株型半直立，较紧凑，株高37 cm，开展度59 cm，球高30 cm，球径16 cm，叶球质量2.0 kg；叶深绿色，外叶稍皱，帮浅绿色；结球紧实，叶球筒形、顶部叠抱。田间抗病性调查结果显示，津秋606对病毒病、霜霉病和软腐病的抗性较对照小杂60强。商品品质和口感品质均好，粗纤维含量少。每667 m²净菜产量5 000 kg左右。

A New Early Maturity Chinese Cabbage F1 Hybrid -'Jinqiu 606'

‘Jinqiu 606’is a new early maturity autumn Chinese cabbage F₁ hybrid developed by crossing two self-incompatible lines H79 with J185.Its growing period is 65 days.The plant is 37 cm in height,59 cm in width.Its leafy head is 30 cm in height,16 cm in diameter and 2.0 kg in weight.The plant type is half-vertical and compact with dark green and light wrinkled leaf and with reseda petiole.The leaf head is short cylinder-shaped and overlapping on top.‘Jinqiu 606’has stronger resistance to downy mildew,virus and soft rot than‘Xiaoza 60’.Both commercial quality and taste are good.It has less crude fiber.It yields about 75.0 t·hm^-2.