There were much difference between cider and juice varieties, cider and fresh varieties as well as Chinese crab apple and western European crab apple, while juice and fresh varieties had similar genetic background. 酿酒品种与鲜食及制汁品种之间、我国小苹果与西欧小苹果之间有较大的遗传差异,而制汁品种与鲜食品种的遗传背景较为接近。