1.春瑞春瑞是山东省果树研究所自美国引进的,2003年通过山东省林木品种审定委员会审定。该品种果实中大,平均单果重130.5克,最大208克。大小均匀,果实近圆球形,果尖平,尖圆,缝合线浅,两半部基本对称。果皮中厚,不易剥离,果面茸毛短,底色白色,果实成熟 1. Chunrui Chunrui is the fruit tree institute of Shandong Province introduced from the United States in 2003 through the Shandong Provincial Forest Variety Certification Committee validation. The varieties of fruit in the large, the average weight 130.5 grams, the largest 208 grams. Uniform size, nearly spherical fruit, fruit tip flat, sharp circle, shallow sutures, the basic symmetry of the two halves. Peel thick, not easy to peel, fruit short hair, white background, the fruit is mature