天生伏梨、鸭梨、酥梨和香梨,是我国黄淮海地区久经栽培的著名梨品种,但都存在一定的缺陷,需加以改良和提高。如天生伏梨风味淡偏酸,抗黑星病能力差;酥梨石细胞多,果心大,贮运力有限;鸭梨风味偏淡,贮藏后期易生黑心病;香梨果个小,产量偏低等。为了培育综合性状超过天生伏梨、鸭梨、酥梨、香梨以及日本的新世纪和 Natural Avocados, Pear, Pear and Pear are famous cultivars of pears cultivated in Huang-Huai-Hai region of China, but they all have some defects and need to be improved and improved. Such as the natural Villar Pearly acidity, anti-scab disease ability; Pear stone cells, fruit heart large, storage capacity is limited; pear flavor partial light, easy to produce late storage black heart disease; pear small, yield Low and so on. In order to cultivate more comprehensive traits than natural V pear, pear, pear, pear and Japan’s new century and