本文是作者从事小麦与偃麦草远缘杂交三十余年的研究总结.介绍了亲本选配原则、花期调节、交配方法等远缘杂交技术,用回交与重复授粉、筛选结实率高的组合与单株、延长生育期等方法克服远缘杂种F_1的不育性.介绍了小偃麦远缘杂种的培育和选择的方法,八倍体小偃麦、异附加系、异代换系和六倍体小偃麦(小麦新品种)的创制、鉴定和应用等. This article is the author’s summary of more than thirty years of distant hybridization between wheat and Agropyron.The introduction of the principles of parent selection, flowering adjustment, mating methods and other distant hybridization techniques, backcrossing and repeated pollination, selection of a combination of high seed setting rate And single plant, extending the growth period and other methods to overcome the sterility of distant hybrid F_1.The methods of breeding and selection of the distant hybrids of the small triticale are introduced, and the methods of cultivating and selecting octoploid Triticum aestivum, heterologous addition lines, The creation, identification and application of hexaploid Tritium aestivum (new wheat variety).