Breeding of a new cabbage cultivar YR Lüjingang for growing in spring and autumn
YR Lüjingang is a spring and autumn cabbage F1 hybrid developed by using the male sterile line CMS02C34 as the female parent and the inbred line 10C313 as the male parent.It is suitable for open-field cultivation in spring and autumn in Beijing,Hebei and other regions.This cultivar is medium maturing,taking 55-60 d from planting to harvest.The plant type is semi-erect,the plant height is about 32.7 cm,the spreading degree is about 53.1 cm,the transverse diam-eter is about 18.3 cm,the longitudinal diameter is about 17.9 cm,the central column is short,the leaf color is yellow and green,the ball is firm,round and spherical,the ball color is green,the single ball mass is about 1.5 kg.This cultivar has good marketability,exhibiting resistance to cracking,early bolting,as well as resistance to wilt and black rot diseases.It has a high stalk position,making it resistant to rainwater.The yield is approximately 5 858.17 kg per 667 m².