马铃薯新品种宁薯12号选育报告

Breeding and Selection Report of A New Potato Variety Ningshu 12

马铃薯新品种宁薯12号是宁夏回族自治区固原市农业科学研究所1998年用"中心22号"作母本,"宁88-8-306"作父本杂交选育而成。在2005-2006年宁南山区区域试验中,2 a折合平均产量26 006.25 kg/hm2,比对照品种宁薯8号增产12.79%;在2006年宁南山区生产试验中,折合平均产量23 547.60 kg/hm2,比对照宁薯8号增产16.77%。全生育期106 d,薯块圆形,薯皮和薯肉均为浅黄色,芽眼浅,块茎含干物质23.41%、淀粉14.90%、粗蛋白3.96%、还原糖0.3%、Vc 1.192μg/g。适宜宁南山区干旱、半干旱、阴湿区及生态条件相似的地区种植。

Ningshu 12 was selected and bred crossing of ＂Zhongxin No. 22/Ning 88-8-306＂ by Guyuan Agricultural Science Institute. The average yield of Ningshu 12 was 26 006.25 kg/hm^2, and 12.79% higher than of the check Ningshu 8 in regional test which was conducted during the period 2005- 2006 in southern Ningxia mountainous district. The average yield was 23 547.60 kg/hm^2 in the productive trial of the southern Ningxia mountainous district in 2006. Whole growth period is 106 d. The plant height was 30-50 cm and corolla is white. Potato block is circular, with light yellow skin color and meat color, shallow bud-end. Potato tuber contains dry matter 23.41%, starch 14. 90%, rude protein 3.96%, reducing sugar 0.3%, vitamin C 1. 192μg/100 g. It is suitable to plant in semi-arid areas, arid areas, high latitude ＆ humid region and other similar areas.