乳山雪梨是一个大果型晚熟优良梨品种，在山东省乳山市已有４０年栽培历史。果实呈葫芦状，外观似巴梨，平均单果重３３０～３５０ｇ，最大果重５５０ｇ。果面浅绿，阳面略带红晕，完全成熟时果面淡黄色。果肉淡白色，肉质细嫩，汁液多，果心小，含可溶性固形物１７％左右，风? Rushan Sydney is a large fruit type late-maturing pear varieties, Rushan City, Shandong Province has 40 years of cultivation history. The fruit was gourd-shaped, looks like Pakistan pear, the average weight of 330 ~ 350g, the maximum weight of 550g. Fruit surface light green, slightly flush with the sun, when the fruit matures completely pale yellow. White flesh, tender meat, juicy, fruit heart, containing about 17% of soluble solids, the wind?