认识在自然条件下产生多倍体小麦的进化途径,从而揭示出用置换原始类型在基因型中不带有多倍体小麦的缺点(如感染真菌病害及其它缺点等)的方法重新合成多倍体小麦的前景。早在二十世纪初就有山羊草属(AegilopsL.)参与形成多倍体小麦的看法。在20——30年代期间,查明了硬粒小麦和普通小麦,以及提莫菲维小麦的染色体结构,其染色体组的组成分别用AB、ABD和AG符号表示。 Recognizing the evolutionary pathways that produce polyploid wheat under natural conditions, revealing the multiple recombination of the method of replacing the original type with the absence of polyploid wheat in the genotype (such as fungal disease and other disadvantages) Wheat foreground. As early as the early twentieth century Aegilops L. was involved in the formation of polyploid wheat. During the 1920s and 1930s, the chromosomal structures of Durum and Triticum, and Timofeev were identified, and the composition of their genomes was indicated by the AB, ABD and AG symbols, respectively.