Phylogenetic Relationship Between Xinjiang Wild Apple(Malus sieversii Roem.)and Chinese Apple(Malus × domestica subsp. chinesnsis)Based on ITS and matK Sequences Phylogenetic Relationship Between Xinjiang Wild Apple(Malus sieversii Roem.)and Chinese Apple(Malus × domestica subsp. chinesnsis)Based on ITS and matK Sequences Expression Analysis of the SUPERMAN Family Genes in Apple(Malus × domestica Borkh.)and Function Analysis of MdSUP3 Effects of Different Interstocks on Key Enzymes Activities and the Expression of Genes Related to Malic Acid Metabolism in Apple Fruit Expression Analysis of the SUPERMAN Family Genes in Apple(Malus × domestica Borkh.)and Function Analysis of MdSUP3 Identification of an Apple NBS-LRR1 Gene and Its Expression Analysis Sequence and Expression Analysis of Apple Tonoplast Monosaccharide Transporter TMT Genes and Their Relationship with Sugar Accumulation in Fruit