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猕猴桃属（Actinidia）植物全世界有66个种、约118个种下分类单位（变种、变型）。中国有猕猴桃属62个种，猕猴桃遗传资源极为丰富。本文就猕猴桃的遗传资源多样性主要特点作概要综述：1）形态性状多样性（重要的园艺及经济性状）；2）营养成分及风味多样性；3）性别变异；4）染色体倍性变异；5）同工酶水平遗传多样性；6）DNA水平遗传多样性。
There are 66 species of Actinidia plants in the world, with about 118 species (varieties and variants). There are 62 species of kiwifruit in China, and the genetic resources of kiwifruit are very rich. This review summarizes the main characteristics of the genetic diversity of kiwifruit: 1) the diversity of morphological traits (important horticultural and economic traits); 2) the nutritional composition and flavor diversity; 3) the gender variation; 4) the chromosome ploidy variation; 5) isozyme level genetic diversity; 6) DNA level genetic diversity.