马铃薯新品种陇薯16号的选育

A New Potato Variety—Longshu No.16’

陇薯16号是以陇薯8号为母本,以早大白为父本,通过有性杂交、定向选择育成的淀粉加工型马铃薯新品种。晚熟,生育期120 d(天)左右;株型半直立,天然结实性较强,匍匐茎中等;薯块椭圆形,薯皮光滑,浅黄皮浅黄肉,芽眼浅,干物质含量25.32%,粗淀粉含量19.14%,粗蛋白含量2.56%,VC含量133.2 mg·kg^(-1),还原糖含量0.30%;田间对晚疫病的抗性强于对照陇薯6号,每667 m^(2)产量1800 kg左右,适宜在甘肃省高寒阴湿、二阴地区及半干旱地区种植。

‘Longshu No.16’is a new potato variety of starch processing type developed by crossing‘Longshu No.8’as female parent and‘Zaodabai’as male parent through sexual hybridization and directional selection.It is of late maturity.The growth period is about 120 days.The plant type is semierect.Its natural firmness is strong.Its stolon is of medium size.The tuber is of oval shape with light yellow peel,yellow pulp,and shallow eyes.The contents of dry matter,raw starch,crude protein,VC and reducing sugar are 25.32%,19.14%,2.56%,133.2 mg·kg^(-1) and 0.30%,respectively.In fields its resistance to late blight is stronger than that of the contrast‘Longshu No.6’.It can yield about 27 t·hm^(-2).It is suitable for planting in alpine and dank region,two lower orifices region,and semi-arid region of Gansu Province.