‘Tianyi’ is a new radish F₁ hybrid developed by crossing self-incompatible line‘ L116’ as female
parent and self-incompatible line‘ L13’ as male parent．It is of early and medium maturity．It can be planted
both in spring and autumn．The growth period is about 70 days in spring and 75 days in autumn．The plant is
erect with small pinnate leaves．The root is of cylindrical shape and 20-25 cm in length and 6.5-7.5 cm in width．
The single root weight is 500-750 g．Its peel is green in color and smooth，bright and beautiful．Its flesh is
also green in color and tasted crispy and sweet．It is suitable for eating as uncooked food．Its yield is about 60-
75 t·hm^-2．Its resistance to virus disease，downy mildew and black rot is stronger than that of the contrast
‘Shawoluobo’．It is suitable for cultivation in Tianjin，Hebei and Shandong Provinces．