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| A New Potato Variety —‘Longshu No.11’ |
| 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） |
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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.
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Received: 15 January 2013
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