早熟马铃薯新品种‘皖马铃薯2号’的选育

Breeding of a new early maturing potato variety ‘Wan Malingshu No.2’

‘皖马铃薯2号’是以‘Hirta’为母本、‘Gelda’为父本选育的早熟、优质马铃薯新品种。该品种生育期65 d左右。块茎椭圆形,黄皮黄肉,芽眼浅。单株结薯数3~5个,单株块茎质量700 g左右,平均667 m^2产量2 100~2 800 kg,商品薯率达93%以上。干物质含量(ω,后同)19.53%,淀粉含量14.15%,粗蛋白含量2.32%,还原糖含量0.16%,维生素C含量197.5 mg·kg^(-1)。田间表现中抗马铃薯晚疫病,抗马铃薯卷叶病毒病和花叶病毒病。适应性强,适宜安徽等二季作区春、秋2季种植。2016年通过安徽省园艺学会园艺作物品种认定委员会认定。

‘Wan Malingshu No.2＇ is a new early maturing and high quality potato cultivar which is developed by crossing‘Hirta＇as female parent and ‘Gelda＇ as male parent. Its growth duration is about 65 d. The tuber is oval shaped,with smooth and yellow skin, yellow flesh and shallow eyes. The average tuber number per plant is 3-5, the tuber weight of per plant is about 700 g, the average yield per 667 m^2 is 2 100-2 800 kg, and the commodity potato rate is over 93%.The average content of dry matter, starch, crude protein, reducing sugar and vitamin C is 19.53%, 14.15%, 2.32%, 0.16% and 197.50 mg·kg^（-1）, respectively. This variety is resistant to potato late blight, potato leaf roll virus disease and mosaic virus disease in the field. The variety has strong adaptability and is suitable for the spring and autumn planting in the two cropping zone（such as Anhui province）.