马铃薯新品种陇薯11号的选育

A New Potato Variety —‘ Longshu No.11 ’

陇薯11号是甘肃省农业科学院马铃薯研究所于1996年以品系L9712-2(92-29-81×93-1-204)为母本,远杂22为父本组配杂交,从其杂交组合中经系统定向选育而成的马铃薯品种。晚熟,生育期124d(天)左右。薯块圆形,黄皮黄肉,芽眼深浅中等,薯皮微网纹,薯形评价较好。薯块含干物质23.7%,淀粉18.68%,粗蛋白3.16%,VC144.2mg·kg-1,还原糖0.162%。较对照陇薯5号抗晚疫病,田间对花叶病毒病具有较好的抗性。每667m2产量1350kg左右,适宜甘肃省高寒阴湿、二阴地区及半干旱地区推广种植。

‘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 blight than‘Longshu No.5’and has better resistance to leaf roll virus in field.It is suitable for open field cultivation in high-altitude,cold and wet,and semi-arid region. It can yield about 20.25 t·hm-2.