Citrus is a very important fruit for agricultural economy in the world. Citrusbreeding and construction of linkage map has been hindered by several factors includingpolyembryony, female/male abortion and high hetetozygosis. In an effort to resolveabove difficults, at first, 14 different cross combinations of citrus were carried out toobtain the hybrid plants via embro rescue and molecular marker verification; Then, thelinkage framework map of citrus was constructed with molecular markers by the genet...