马铃薯新品种‘牡育薯1号’的选育

Selection and Breeding of New Potato Variety'Muyushu 1'

‘牡育薯1号’是以‘GP2-12’为母本、‘NS78-17’为父本,通过有性杂交选育而成的鲜食型马铃薯新品种。2022年通过农业农村部非主要农作物品种登记,登记编号:GPD马铃薯(2022)230011。‘牡育薯1号’生育期77 d,植株半直立,平均株高约68.8 cm,生长势强,茎绿色,叶绿色,花冠浅紫色。天然结实性中等。块茎卵圆形,黄色皮、深黄色肉,芽眼深度中等。平均单株结薯数6.1个,平均单薯重171 g,商品薯率79.70%。干物质含量19.00 g/100 g,淀粉含量13.30 g/100 g,块茎粗蛋白含量2.04 g/100 g,维生素C含量14.20 mg/100 g,还原糖含量1.10%。2年区域试验中,较对照‘克新13号’平均总增产9.16%。中抗晚疫病、中抗马铃薯X病毒(Potato virus X,PVX)和马铃薯Y病毒(Potato virus Y,PVY)。‘牡育薯1号’适宜在黑龙江省春季种植。

'Muyushu 1'is a new potato variety developed for fresh consumption through sexual hybridization using'GP2-12'as female parent and'NS78-17'as male parent.In 2022,it was registered as a non staple crop variety by the Ministry of Agriculture and Rural Affairs,with the registration number GPD Potato(2022)230011.The growth period of'Muyushu 1'is about 77 days.The plant is semi erect,with a height of about 68.8 cm and strong growth potential.The stems and leaves are green,and corolla is light purple.The frequency of natural seed set is medium.The tuber is oval with yellow skin,deep yellow flesh and medium eye depth.The average number of tubers per plant is 6.1 with mean tuber weigh of 171 g.The marketable tuber percentage is 79.70%.The tuber contains 19.00 g/100 g dry matter,13.30 g/100 g starch,2.04 g/100 g crude protein,14.20 mg/100 g vitamin C and 1.10%reducing sugar.In the two-year regional trial,the average total yield was increased by 9.16%compared to the control'Kexin 13'.It is moderately resistant to late blight,and moderately resistant to potato virus X(PVX)and potato virus Y(PVY).'Muyushu 1'is suitable for spring planting in Heilongjiang Province.