Abstract：‘Yongxue No.5’is a leaf-edible mustard F1 hybrid developed by crossing cytoplasmic male
sterile line‘07-50A’as female parent and inbred line‘09-3-1’as male parent．It is of late maturity and
takes about 112 days from sowing to harvest．Its plant is of open type with strong growth potential．Its leaves
are light green in color and of obovate shape with light serrated leaf edge and deep cracked leaf lobes．The
blade surface is slightly wrinkled and glossy．The average effective tiller number is 26．The single plant weight
is about 1.1 kg．Its yield is about 75 t · hm-2．This variety is resistant to TuMV．The processing quality is
good．It is suitable to be planted in the Yangtze River valley．
