大白菜新品种新科翠玉的选育

Breeding of new chinese cabbage variety Xinkecuiyu

新科翠玉是新乡市农业科学院培育的大白菜杂交1代品种,由两个自交不亲和系J39290和43500杂交配制而成。河南新乡春、秋季播种后50 d均可采收,小麻叶,球顶花心,叶球柱状;外叶深绿,心叶黄色。株高35~45 cm,株幅55~60 cm。球形指数1.8,净菜率76.7%,软叶率35.22%。采收期长,既可作为小棵娃娃菜栽培,又可作为大棵筒菜栽培,单球净质量0.8~1.5 kg,667 m^(2)净菜产量3200~5500 kg。品质好,风味佳,极耐抽薹,抗霜霉病、病毒病、软腐病,高抗干烧心。适合河南、河北、山东、北京等以及其他喜欢长筒类型的地区春季、秋季种植。2018年通过农业农村部非主要农作物品种登记。

Xinkecuiyu is F1 hybrid of new Chinese cabbage variety,which crossed by two self-incompatible lines of J39290 and 43500.The growing period is about 50 days,with small hemp leaf,ball top flower heart and leaf bulb columnar.The outer leaves are dark green and inner leaves are yellow.The plant is 35-45 cm in height and 55-60 cm in width,the shape index is 1.8,soft leaf rate is 35.22%.The suitable harvest time is relatively long.It can be both cultivated as small tree baby vegetables and large tree tube vegetables.The single head weight is 0.8-1.5 kg,the ratio of net product is 76.7%and the net yield is 3200-5500 kg per 667 m2.This variety has good quality and good flavor.It is resistant downy mildew,virus disease and soft rot.It has high resistance to tip-burn.It is suitable for cultivation in Henan Province,Hebei Province,Shandong Province,Beijing and other areas in spring and autumn.