早红宝石甜油桃由ＥＲ２和瑞光２号杂交育成。１９９５年引种到江苏镇江，经４年的观察表明，适宜于高温、高湿和多雨的江南栽培。１９９８年江苏省农林厅组织专家鉴评，认为其丰产、果大质优、着色鲜红和适应性强，是特早熟甜油桃优良品种。已列为江苏省农林品种更新工程... Early ruby ​​sweet nectarines were bred by ER2 and Ruiguang 2 hybrids. In 1995 introduced to Zhenjiang, Jiangsu, after 4 years of observation shows that suitable for high temperature, high humidity and rainy southern cultivation. In 1998, Jiangsu Provincial Department of Agriculture and Forestry organized experts to appraise it as an excellent variety with special characteristics of high yield, high quality, bright redness and adaptability. Has been listed as a variety of agricultural and forestry projects in Jiangsu Province ...