北京市农林科学院果树所,从1973年开始以玫瑰香为母本,莎芭珍珠和京早晶为父本进行有性杂交.通过对杂种单株的选择培育,1981年选出5个优株,其中三个早熟化系分别命名为早玛瑙.紫珍珠和翠玉.早玛瑙(玫瑰香×京早晶),果穗、果粒较大,平均穗重388克,穗长15.6厘米,粒重4.2克,紫红色.果皮薄,易与果肉分离、果肉厚、肉质脆,味甜,可溶性固形 Beijing Institute of Agriculture and fruit trees, since 1973, Rosemary as the female parent, Saba pearls and Jing Zaijing sexual intercourse for the male parent.Through selection and breeding of hybrid plants, in 1981 selected five excellent strains , Three of which are named early onyx agar.Violet pearl and jade jade.On agate (Rose Xiang × Jing Zaijing), the ear, larger fruit, the average spike weight 388 grams, spike length 15.6 cm, grain weight 4.2 Gram, purple. Peel thin, easy and pulp separation, thick flesh, meat crisp, sweet, soluble solid