马铃薯新品种农天2号的选育

A New Potato Variety ——‘Nongtian No.2'

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121d(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667m2平均产量为1500kg,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.