山东农业大学于1996年从乌克兰引进了‘抉择’、‘乌梅极早’及‘早红宝石’等7个甜樱桃品种。课题组于1999年取自然授粉的‘抉择’品种的种胚进行胚培养,共获得杂种胚培苗207株,2000年春定植于泰安横岭育种基地选种圃,2003年开始结果,从中发 Shandong Agricultural University introduced seven sweet cherry varieties such as ’Choice’, ’Ebony Very Early’ and ’Early Ruby’ from Ukraine in 1996. In 1999, the research team took embryo culture of ’Select’ varieties of natural pollination, and obtained 207 embryo culture seedlings. In the spring of 2000, it was planted in Taichung Hengling Breeding Base. The results began in 2003,