LI Gao-feng，WEN Guo-hong*，LI Jian-wu，WANG Yi-hang，ZHANG Rong
（Institute of Potato， Gansu Academy of Agricultural Sciences， Lanzhou 730070， Gansu， China；Scientific Observing
and Experimental Station of Potato Dry Farming in Northwest China， Ministry of Agriculture，Weiyuan 748201，
Gansu， China）
Abstract：Longshu No.11’ is a new potato variety selected from L9712-2（92-29-81×93-1-204）
as female parent with‘ Yuanza 22’ as male parent．It is of late maturity. Its growing period is about
124 days. Its tuber is round with yellow micro-textured peel，yellow flesh and medium shallow eyes．
The average content of dry matter，starch，crude protein，VC and reducing sugar is 23.7%，18.68%，
3.16%，144.2 mg·kg-1 and 0.162%，respectively．It has higher resistance to late bligh t than‘ Longshu
No.5’and has better resistance to leaf roll virus in field．It is sui table for open field cultivation in highaltitude，
cold and wet，and semi-arid region. It can yield about 20.25 t·hm-2.
