Breeding Reporton A New Vegetable Potato Variety Tainshu 19
In order to address the issues of special potatovarieties shortagein Gansu Province and even in Northwest China,a latematuring vegetable potato variety Tianshu 19 was bredby Tianshui Agricultural Research Institute by conventional hybrid breeding techniques using female parent Jinshu 11 and male parent Tianshu 9.From 2019 to 2020,datafrom the regional experiment of late maturing group of potatoes in the northwest showed that the average yield from 18 points(times)in 2 a was 32 490.0 kg/ha,which increased by 3.0%compared to the control variety Longshu 6.It is a late maturity variety,the total growing period is 119 d.The tuber shape is elliptic,with yellow skin and fleshcolor,fewerand shallow buds.The variety possesses ideal nutritious qualities with contents of dry matter,starch,vitamin C,crude protein and reducing sugar of 204 g/kg,166 g/kg,547 mg/kg,22.1 g/kg and 3.5 g/kg,respectively in tubers.Itis suitable for planting in central and southern Gansu,central and southern Ningxia,eastern Qinghai,and other areas with similar ecological conditions.
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