中熟马铃薯新品种‘土岩5号’的选育

Selection and Breeding of New Medium-maturing Potato Variety 'Tuyan 5'

‘土岩5号’是吉林省雁鸣湖种业有限责任公司以‘延薯9号’作母本,‘土岩2号’作父本,经有性杂交选育而成的鲜食马铃薯新品种。2022年通过国家农业农村部非主要农作物品种登记,登记编号:GPD马铃薯(2022)220067。该品种中熟,生育期85 d左右。块茎卵圆形,黄皮浅黄肉,芽眼浅,薯形特好,块茎大而整齐,商品薯率高。2020~2021年适应性试验2年平均产量4104 kg/667m^(2),较对照‘土岩4号’3321 kg/667m^(2)平均增产23.58%。干物质含量15.96%,淀粉含量11.17%,蛋白质含量1.50%,维生素C含量17.30 mg/100 g,还原糖含量0.52%。中抗马铃薯晚疫病、马铃薯X病毒(Potato virus X,PVX)病及马铃薯Y病毒(Potato virus Y,PVY)病。‘土岩5号’适宜吉林省、黑龙江省哈尔滨市和绥化市、辽宁省铁岭市北方一季作区春季播种栽培。

'Tuyan 5',a new table potato variety,was bred and developed through sexual hybridization,using'Yanshu 9'as female and'Tuyan 2'as male,by Jilin Yanminghu Seed Industry Co.,Ltd.It was approved for registration[registration number:GPD potato (2022) 220067]of non-major crop varieties by the Ministry of Agriculture and Rura Affairs of the People's Republic of China in 2022.This variety is medium-maturing,with about 85 days growth duration.The tuber is ovoid,with yellow skin and light yellow flesh,shallow eyes,excellent shape,large and uniform tubers,and high marketable tuber percentage.The two-year average yield was 4 104 kg/667m^(2),increased by 23.58%compared with the yield of control variety'Tuyan 4'(3 321 kg/667m^(2)) in adaptability trials in 2020-2021,with dry matter content15.96%,starch content 11.17%,protein content 1.50%,vitamin C content 17.30 mg/100 g and reducing sugar content0.52%.'Tuyan 5 'is moderately resistant to potato late blight,potato virus X (PVX) and potato virus Y (PVY).It is suitable for planting in north one cropping region such as Jilin Province;Harbin and Suihua City,Heilongjiang Province;and Tieling City,Liaoning Province.