The karyotypes and the banding patterns of S and D genomes in Aegilops show that they are the possible donors of B and D genomes in Triticum. The banding patterns of C and Mgenomes are similar in some aspects to that of B genome in Triticum.

• 山羊草属S、D染色体组的核型与带型表明它们是小麦B、D染色体组的可能供体,C、M染色体组的一部分染色体带型亦与小麦B组带型相似。