Abstract:‘Kencaishu No.2’is a new colorful potato variety of fresh food type developed by
crossing‘2008-15’as female parent and‘MD04-72’as male parent through sexual hybridization and
systematic selection.It is of mid-late maturity.Its growth period is about 103 days.The plant has strong
growth potential and is about 50 cm in height.The plant is of semi-erect type.The branches are in medium
quantity,and tubers are concentrated.The tuber is of oval shape with rose red peel and rose red pulp.Its
bud eye is of medium depth.The contents of anthocyanin is 1 623.7 mg · kg-1.The contents of dry matter,
starch,crude protein,reducing sugar and VC are 15.40%,7.4%,1.52%,0.16% and 118.0 mg · kg-1,
respectively.Each single plant can bear 3-5 potatoes.The average single potato weight is 153.2 g.The
medium and large potato rate(> 75 g)is 76.31%.Its yield is about 22.5 t · hm-2.It is resistant to PVX,
PVY,and late blight.It is suitable for spring planting in Heilongjiang Province.