美蓝宝石李是山东省果树研究所从国外交流试验材料中选育的。该品种幼树生长偏旺,枝条直立性强,幼树新梢抽生副削能力较强,进入盛果期后,树势趋向缓和,树冠趋向开张。以短果枝和花束状果枝结果为主,中长果枝也具有良好的结果能力。在自然授粉条件下,花序以坐单果为主。果实近圆 The United States Sapphire Lee is the fruit tree Institute of Shandong Province from foreign exchange test materials in breeding. The saplings of this cultivar were more vigorous, and the branches were more erect. The saplings of young shoots were more capable of shaving. After entering the full fruit stage, the tree vigor tended to ease and the canopy tended to open. The main results are short fruiting branches and bouquets of fruiting branches, and middle fruiting branches also have good fruiting ability. In the natural pollination conditions, the inflorescence to fruit-based. Fruit nearly round