中晚熟大白菜新品种玉莲1号的选育

A New Mid-late Maturing Chinese Cabbage F1 hybrid —‘ Yulian No.1’

玉莲1号是以自交不亲和系玉田包尖S05-8为母本,自交不亲和系莲舒S05-23为父本杂交后选育而成的直筒中晚熟大白菜一代杂种。生育期80~85 d(天),植株为直筒型,绿白帮,叶色深,株高约48 cm,开展度62 cm左右,叶片光亮,略带褶皱,外叶直立。球心叶黄绿色,球高43 cm、粗15 cm,单球质量2.4 kg,一般每667 m^2产量8 800 kg。耐贮藏,叶球柔软,风味品质好。田间对抗病毒病、霜霉病、软腐病、干烧心的抗性好于对照津绿75。适宜辽宁、吉林及相似生态区种植。

‘Yulian No.1’ is a straight tube mid-late maturing Chinese cabbage F1 hybrid bred from crossing self-incompatible line‘ Yutianbaojian S05-8’ as female parent and self-incompatible line‘ Lianshu S05-23’ as male parent.Its growth period is 80-85 days.The plant is of straight tube type with green/white band and dark green leaf.The plant height is about 48 cm with about 62 cm stretch.The leaves are shining bright with little wrinkle,and outer leaves are erect.The head center leaves are yellow-green in color.Its head is 43 cm in height,and 15 cm in diameter.The single head weight is 2.4 kg.It can yield 132 t·hm^-2.It is tolerant to storage.The head is soft with good flavor and quality.In the fields,its resistances to virus disease,downy mildew,soft rot and tip burn are better than that of the contrast‘ Jinlyu 75’.It is suitable for planting in Liaoning,Jilin Provinces and similar ecoregions.