The M14 is a monosomic addition line of Beta corolliflora in Beta vulgaris (VV, 2n=18) which consists of 19 chromosomes (VV+1C, 2n=19).

• 甜菜单体附加系M14品系(VV+1C，2n=19)是栽培甜菜(Beta vulgaris，2n=18)染色体组附加了白花甜菜(Beta corolliflora)第9号染色体。