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东农３０３（Ｓ．Ｔｕｂｅｒｏｓｕｍ）核型为：２＝４ｘ＝４８＝５×（４）＋５×（４）ＳＭ＋１×（４）ＳＴ＋１×［（２）ＳＴ＋（２）］，组型为：２ｎ＝４ｘ＝１１Ⅳ＋＋（１Ⅱ＋１Ⅱ）＝５Ｍ（Ｂ、Ｅ、Ｇ、Ｋ、Ｌ）＋５ＳＭ（Ａ、Ｃ、Ｄ、Ｈ、Ｊ）＋１ＳＴ（Ⅰ）＋１［（Ｔ＋ＳＴ）（Ｆ）］。Ｓ４－５－３－６－５－１－５０－（１０）（Ｓ．Ｔｕｂｅｒｏｓｕｍ）核型为：２ｎ＝４ｘ＝４８＝４×（４）Ｍ＋６×（４）ＳＭ＋１×（４）ＳＴ＋１×［（２）ＳＴ＋（２）Ｔ］，组型为：２ｎ＝４ｘ＝１１Ⅳ＋（１Ⅱ＋１Ⅱ）＝４Ｍ（Ｅ、Ｇ、Ｋ、Ｌ）＋６ＳＭ（Ａ、Ｂ、Ｃ，Ｄ、Ｈ、Ｊ）＋１ＳＴ（Ⅰ）＋１［（Ｔ＋ＳＴ）（Ｆ）］。Ａ组与Ｆ组带有髓体，两份供试材料的对应组中染色体略有分化，但基本一致。
The karyotype of S. Tuberosum was 2 × 4 × = 48 × 5 × 4 × SM × 1 × ST × 1 × 2 × ST + = 4x = 11IV ++ (1II + 1II) = 5M (B, E, G, K, L) + 5SM (A, C, D, H, J) + 1ST (I) +1 [(T + ST) (F)]. S4-5-3-6-5-1-50- (10) (S. Tuberosum) Karyotype: 2n = 4x = 48 = 4 × M + 6 × SM + 1 × ST + 1 × [ (2) ST + (2) T], the type of the group is: 2n = 4x = 11Ⅳ + (1Ⅱ + 1Ⅱ) = 4M (A, B, C, D, H, J) ) +1 [(T + ST) (F)]. The chromosomes in group A and group F with myeloid and the two test materials were slightly differentiated but basically the same.