一、前言谷子是我国北方的主要粮食作物之一,过去,由于我们对谷子的生物学基础理论尤其是关于谷子的分类,谷子进化与起源过程即谷子的系统发育和个体发育的关系,谷子的经济性状在遗传结构上的位点,远缘杂种的人工合成等等和核型有密切关系的各个重要方面很少研究,以致无论在谷子育种,谷子栽培等各个方面,因缺乏基础科学理论指导,导致在掌握谷子的经 I. Introduction The millet is one of the major cereal crops in the north of our country. In the past, due to our basic biological theory of millet, especially about the classification of millet, the relationship between the evolution of millet and the phylogeny and development of the millet, Economic traits in the genetic structure of the site, the far hybrid synthesis and so on and karyotype are closely related to all the important aspects of research rarely, so that in terms of millet breeding, millet cultivation and other aspects, due to the lack of basic scientific theory , Resulting in the master of the millet