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我们国家正在逐步的扩大马铃薯的栽植范围和面积,但是在马铃薯的栽培事业中存在着一个重要的障碍,这就是马铃薯的种性退化迅速,影响到许多地区不能就地留种而长期的依靠外地供
Our country is gradually expanding the planting area and area of potato. However, there is an important obstacle in the potato cultivation. This is the rapid degeneration of potato species, affecting the inability to stay in many areas and the long-term dependence on the field for