x↓ 黑麦 小果麦人通工合成的第一个新物种
X ？ 小麦 黑麦 小黑麦-人工合成的第一个新物种
小黑麦Triticale (Triticum()X Secale () Tetraploid Wheat Diploid Rye Hexaploid Wheat (2n=AABB=28) X (2n=RR=14) X (2n=AABBDD=42) F1 F1 (n=ABR=21) (n=ABDR=28) Chromosome Hexaploid Triticale doubling Octoploid Triticale (2n=AABBRR=42) (2n=AABBDDRR=56)
小黑麦Triticale (Triticum (♀) X Secale (♂)) Tetraploid Wheat (2n = AABB = 28) Hexaploid Wheat (2n = AABBDD = 42) F1 (n = ABR = 21) F1 (n = ABDR = 28) Hexaploid Triticale (2n = AABBRR = 42) Octoploid Triticale (2n = AABBDDRR = 56) Diploid Rye (2n = RR = 14) Chromosome doubling X X