本文报道了两用桃育种研究的进展情况。两用桃育种研究的目的是在保持花形完美的同时 ,改善果实的食用性。北京地区的两用桃育种始于 1976年 ,到 1997年已完成了四代基础育种研究。作者对前四代基础育种的试验结果进行了整理分析 ,并在掌握所用亲本、选系的遗传性状及花型遗传现象的基础上 ,选育出了花形娇美、果实风味浓甜、肉质较好、色泽较艳的第五代两用油花桃实用品系北 9- 9。 This article reports the progress of dual purpose peach breeding. The purpose of the dual peach breeding study is to improve the edibleness of the fruit while maintaining the perfect flower shape. Peach breeding in Beijing began in 1976, and by 1997, four generations of basic breeding research have been completed. Based on the analysis of the experimental results of the first four generations of basic breeding, the author mastered the genetic characters of the parents and selected lines and the genetic phenomenon of the flower type. Well, the color of the fifth generation of dual-use more bright peach oil practical Peking 9- 9.