关键词: 小株型大白菜, 京春娃娃菜, 一代杂种

Abstract: ‘Jingchunwawacai’is a new mini Chinese cabbage F₁ hybrid bred by crossing selfincompatible line 9410 with 0037.It takes about 45-50 days from transplanting to harvest.It has smaller plant size which fits to transplant in high density.It is tolerant to bolting,and resistant to TuMV,black rot，and high resistant to downy mildew.Its head shape is ovate with 21.5 cm of head height and 12.0 cm of head diameter.Its inner leaves are light yellow in color.Its average head weight is about 0.8 kg.Its net head rate is 66.5 %.The yield in open field is 105-120 t·hm^-2.It has been extended to Beijin,Tianjin,Hebei,Henan,Gansu,Yunnan and Guizhou.