我国从事现代小麦品种改良工作是从本世纪二十年代开始的。半个多世纪特别是解放三十多年来,通过各种育种途径和方法,育成了数以千计的优良品种,全同已实现三至五次的品种更换,每次更换又都有力地促进了小麦生产的发展。回顾小麦品种演变的历史,总结不同时期各麦区利用小麦种质资源开展工作的经验,对提高小麦育种水平,促 Our country is engaged in the improvement of modern wheat varieties from the twenties of this century began. For more than half a century, especially over the past 30 years since the liberation, thousands of fine varieties have been bred through various breeding ways and methods. The same species has been replaced three to five times in a variety of ways, Promote the development of wheat production. Recalling the history of the evolution of wheat varieties, summed up in different periods wheat wheat germplasm resources to carry out work experience, to improve the level of wheat breeding, promote