农天2号是以自育品系天99-5-4为母本，天薯7号为父本杂交选育而成的马铃薯新品种。从出苗至块茎成熟121 d（天）左右，属晚熟品种。薯块圆形，黄皮黄肉，芽眼浅。单株块茎数3.7个，大中薯率90.5%。每667 m2平均产量为1500 kg，适于甘肃天水、临夏、定西、平凉、陇南等地种植。%‘Nongtian No.2’is a new potato variety developed by crossing Tian99-5-4 as female parent with‘Tianshu No.7 ’as male parent.It is of late maturity.Its total growing period is about 121 days .Its tuber is of round shape with light yellow skin,yellow flesh and shallow eyes.It produces 3.7 tubers per hill.Its marketable tuber weight percentage reaches 90.5%.It can yield about 22.5 t·hm-2.It is suitable to be planted in Tianshui, Linxia,Dingxi,Pingliang and Longnan of Gansu Province.
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