大白菜新品种水师营19的选育

A Chinese cabbage F_(1) hybrid Shuishiying No.19

水师营19是以自交不亲和系K1178H2-2为母本、小义和秋-1-5-6-2-1为父本杂交选育而成的中晚熟大白菜杂交1代新品种。该品种在大连地区秋季露地栽培生育期75 d左右。株型较直立,生长势旺,株高43 cm,开展度63 cm。叶球叠抱,中矮桩直筒形,球高27.5 cm,球径17.5 cm,球形指数1.6。单株净菜质量4.5 kg,单株净球质量3.5 kg,净菜率78%。667 m^(2)产量8000 kg以上。高抗软腐病、病毒病,抗霜霉病,对根肿病菌威廉姆斯4号生理小种免疫。耐贮藏。适宜北方地区秋季露地栽培。2016年4月通过辽宁省非主要农作物品种备案委员会备案,2018年7月通过农业农村部非主要农作物品种登记。

Shuishiying No.19 is a new midseason Chinese cabbage hybrid cultivar developed by crossing K1178H2-2 as female parent and Small Yihe autumn-1-5-6-2-1 as male parent.The growth period is about 75 days in open field cultivation in autumn in Dalian area.The erect strong plant is 70 cm in height and 59 cm in width.The leaf sphere is overlapped with a height of 27.5 cm and a diameter of 17.5 cm,the index of plant shape is 1.6.The net weight of individual plant is 4.5 kg and the leaf head is 3.5 kg,and the ratio of net product is 78%.The yield on 667 m^(2) is over 8000 kg.The cultivar is highly resistance to soft rot and virus disease,resistance to downy mildew,immunity to race 4 of Williams identification system of clubroot disease.It is storable and suitable for cultivation in North China in autumn.