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辽宁省西部梨产区栽培历史悠久,品种极为繁多。除绥中县以栽植秋白梨品种为主外,其它市县多栽培秋子梨系统的品种。品质低劣,产量不高,而且绝大部分梨园品种混杂。如北镇县有梨树200万株,其中鸭梨、秋白梨仅占50万株左右,而多数混栽在其它品种园内。同时,栽植的原砧低接鸭梨、秋白梨遇到低温冷害年分,往往花芽容易遭受冻害,造成大幅度
Liaoning Province, western pear cultivation has a long history, the variety is extremely diverse. In addition to Suizhong County to cultivate autumn pear varieties mainly in other cities and counties cultivated varieties of autumn pear system. Poor quality, yield is not high, and most pear varieties mixed. For example, there are 2 million pear trees in Beizhen County, of which only about 500,000 pear and autumn pear are found, while most are planted in other varieties. At the same time, planting anvil low pick pear, autumn pear encounter chilling injury points, often prone to frost damage flower buds, resulting in a substantial