绿宝石是郑州果树研究所培育出的优新梨品种,由新世纪和早酥杂交而成。我市自2000年通过高接换头进行套袋栽培6年来,发现该品种果形正,果面光洁,果肉乳白,脆嫩多汁,石细胞少,是品质极佳的早熟梨品种。但在生产中发现,套袋梨常出现黑皱、果锈、虎皮、果面花绿色、黑点、裂口、畸 Emerald Zhengzhou Institute of Fruit cultivated Ubisu varieties, from the new century and early crisp hybrid made. Since 2000, it has been found that the cultivars are bagged with high yielding heads for over six years and found that the cultivars are fruit-shaped, glossy and smooth, with white flesh, crisp and tender juicy and few stone cells. However, found in production, bagging pear often appear black wrinkle, fruit rust, tiger skin, fruit flower green, black spots, rips, abnormal