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奉化市科委、科协为推广果树优良品种,改善李子品质,于1996年底从外地引进了早美丽、黑琥珀、黑宝石、玫瑰皇后、拉罗达、凯瑟曼等美国李子品种进行试种。这些李子新品种于1999年开始少量挂果,2000年最高株产达25千克,其李果的市场售价为每千克10元至20元。经过试种观察,早美丽、黑琥珀、玫瑰皇后这三个李品种表现出抗病、优质、高产等特点,适宜在奉化市种植,并具有较高的经济效益,很有发展前途。黑宝石李虽然优质,但抗病性差,发病株数多,
Fenghua Municipal Science and Technology Commission, Association for Science and Technology to promote fine varieties of fruit trees, improve plum quality, introduced from the field at the end of 1996 early beauty, black amber, black gems, Rose Queen, La Roda, . These plum new varieties started to have a small number of fruiting bodies in 1999. The highest strain in 2000 reached 25 kg and the market price of its plum was between 10 yuan and 20 yuan per kilogram. After trial observation, the early Li, beautiful, black amber and queen of roses show resistance, high quality and high yield. They are suitable for planting in Fenghua and have high economic benefits and promising future. Although the quality of black gem Lee, but disease resistance is poor, the incidence of more plants,