Loss of organic acids during postharvest storage is one of the major factors that negatively affect the quality and storage performance of citrus fruit. ‘Qianyang Bingtang’ navel orange (QY-BTNO) and ‘Jinxiu Bingtang’ sweet orange (JX-BTO) are bud mutants of common ‘Bingtang’ sweet orange (CK-BTO) (Citrus sinensis Osbeck), and are respectively characterized by the trait of higher and lower accumulations of organic acids in fruit juice sacs, which is maintained throughout the storage period. Here, gene expression analysis on citrate metabo...
