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一、引种工作随着甜菜生产和制糖工业的发展,我国甜菜科研单位先后开展了甜菜引种与育种工作,取得了可喜成绩。根据引种材料的来源特点、引种时间和研究利用情况,我国甜菜引种工作大致分为三个阶段。第一阶段,即自建国至1959年,共引入150份材料,其中国内农家种15份,国外品种材料125份,野生种10份。国外引种主要来自
First, the introduction of work With the development of sugar beet production and sugar industry, China’s beet scientific research units have launched the introduction and breeding of beet, and achieved gratifying results. According to the origin of introduced materials, introduction time and research utilization, the introduction of beet can be divided into three stages. In the first stage, from the founding of the People’s Republic of China until 1959, a total of 150 materials were introduced, of which 15 were domestic farmer species, 125 are foreign breeds and 10 are wild species. Introduced mainly from abroad