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以果树方面的文献为基础，综述了2n配子在果树中的发生情况、细胞学基础、遗传效应及提高2n配子比率的方法。对2n配子在果树等作物杂交育种利用的优越性和可行性进行了分析，指出了一种新的有效途径。
Based on the literature of fruit trees, the occurrence of 2n gametes in fruit trees, cytological basis, genetic effects and methods to improve the ratio of 2n gametes were summarized. The superiority and feasibility of using 2n gametes in hybrid breeding of fruit trees and other crops were analyzed, and a new effective way was pointed out.