论文部分内容阅读
甜菜引种工作的重要性国外引种是作物品种资源研究工作的重要组成部分。在充分发掘和利用我国丰富多彩种质资源的同时,大量有计划、有针对性地引进国外优良品种及育种用的原始材料是多快好省地开展作物育种工作的重要途径之一。甜菜引种也不例外,由于该作物原产地不是中国,加上我国甜菜种植历史短,国外引种更为重要。解放前,甜菜种植是属殖民地掠夺式经营栽培,种植面积逐年缩小,品
The Importance of Beet Introduction Foreign introductions are an important part of crop variety research. While fully exploiting and utilizing the rich and colorful germplasm resources of our country, a large number of planned and targeted introduction of raw materials for fine varieties and breeding purposes are one of the important ways to carry out crop breeding in a more efficient and economical manner. Beet introduction is no exception, because the crop is not the origin of China, coupled with the history of our beet cultivation is short, the introduction of foreign more important. Before the liberation, the beet cultivation was a predatory colonization cultivation cultivation area has been reduced year by year, the goods