LI Jianwu1，2，WEN Guohong1，2*，LI Gaofeng1，2，ZHANG Rong1，2，LI Zhang1，MA Sheng1
1Institute of Potato，Gansu Academy of Agricultural Sciences，Lanzhou 730070，Gansu，China；2National Germplasm Resouces Observation and Experimental Station in Weiyuan，Weiyuan 748201，Gansu，China
Abstract：‘Longshu No.16’is a new potato variety of starch processing type developed by crossing‘Longshu No.8’as female parent and‘Zaodabai’as male parent through sexual hybridization and directional selection．It is of late maturity．The growth period is about 120 days．The plant type is semierect．Its natural firmness is strong．Its stolon is of medium size．The tuber is of oval shape with light yellow peel，yellow pulp，and shallow eyes．The contents of dry matter，raw starch，crude protein，VC and reducing sugar are 25.32%，19.14%，2.56%，133.2 mg · kg-1 and 0.30%，respectively．In fields its resistance to late blight is stronger than that of the contrast‘Longshu No.6’．It can yield about 27 t · hm-2．It is suitable for planting in alpine and dank region，two lower orifices region，and semi-arid region of Gansu Province．
