马铃薯就地留种在沈阳一直被认为是解决不了的难题。多年来沈阳市种植马铃薯,种薯全靠外地调,种植面积取决于调运种薯的数量,马铃薯生产长期处于被动局面。近年来由于“四人邦”的干扰破坏和调种的困难,种植面积明显减少。加之调入种薯退化多病,单产很低,导致总产量大幅度下降,市场供应紧张,对于计划经济和加强工农联盟均有一定影响。因此,探索马铃薯就地留种的途径,研究解决马铃薯种薯问题,是当前马铃薯生产上的 The in-situ planting of potatoes in Shenyang has long been considered a problem that can not be solved. For many years, Shenyang City, planting potatoes, seedlings all rely on outside adjustment, planted area depends on the number of transported seed potato, potato production in a passive situation for a long time. In recent years, due to the interference and destruction of the “gang of four” and the difficulty of planting seeds, the area under cultivation has obviously decreased. Coupled with the introduction of seed potato degenerative diseases, low yields, resulting in a substantial decline in total output, the market supply of tension for the planned economy and to strengthen the alliance of workers and peasants have a certain impact. Therefore, to explore ways to stay in potatoes in situ to study and solve potato seed problems is the current potato production