马铃薯新品种‘丽薯17号’的选育

Selection and Breeding of New Potato Variety ’Lishu 17’

‘丽薯17号’是丽江市农业科学研究所以‘丽薯1号’为母本、‘老鼠洋芋’为父本经杂交选育而成的新品种,2020年通过非主要农作物品种登记,登记号为GPD马铃薯(2020)530099。生育期116 d左右,属晚熟、鲜食品种。株型半直立,天然结实性弱,叶深绿色,茎绿色,花白色,株高92.73 cm,茎粗1.58 cm,块茎长卵圆形,薯皮红色,薯肉白色、有红色环,薯皮光滑,芽眼浅,休眠期长,耐贮性好。2015~2016年区域试验平均产量为1 671 kg/667m^(2),较对照‘合作88’1 265 kg/667m^(2)增产32.09%。干物质含量17.50%,淀粉含量15.92%,蛋白质含量1.74%,维生素C含量25.00 mg/100 g,还原糖含量0.23%。感晚疫病,抗青枯病,抗花叶病毒病。适宜在海拔2 500~3 000 m云南大春作区种植。

’Lishu 17’ was developed from a cross between ’Lishu 1’(female) and ’Laoshuyangyu’(male) made by Lijiang Institute of Agricultural Sciences. It was approved in the registration of non-staple crop varieties in 2020, and the certificate number is GPD potato(2020) 530099. The growth duration of ’Lishu 17’ is about 116 d, a late maturing potato variety, and it could be planted as table potato. The plant has semi-upright stem, and weak natural fruiting, with dark green leaves, green stems, white flowers, plant height of 92.73 cm, and stem diameter of 1.58 cm. It has long oval shaped tuber, red and smooth skin, with shallow eyes, white flesh with red ring, long dormancy period, and good storability. The average yield of ’Lishu 17’ in the two-year regional trials was 1 671 kg/667m~2, 32.09% more than the yield of control variety ’Hezuo 88’, which was 1 265 kg/667m~2 in 2015-2016. Tuber has 17.50% dry matter content, 15.92%starch content, 1.74% protein content, 25.00 mg/100 g vitamin C content, and 0.23% reducing sugar content. It is susceptible to late blight, resistant to potato bacterial wilt and mosaic viruses. This variety is suitable for planting in Yunnan spring planting area with the altitude of 2 500-3 000 m.