本文以优良马铃薯品种男爵为试验材料,对马铃薯抗退化就地留种问题进行了多年的研究,结果表明:利用秋季凉爽气候秋播留种,能获得较高薯产量,来年秋播仍能保持优良种性,而利用该种薯春播生产,种薯的优良性状与北引未退化良种相同,是马铃薯就地留神的一个好途径。 In this paper, the Baron as a good potato varieties tested materials, the anti-degeneration of potatoes on-site seed for years of research, the results showed that: the use of autumn cool climate to stay species, access to higher yields of potato, the autumn planting can still be held in the coming year Excellent species, and the use of the seed sowing spring production, the excellent traits of seed and North cited non-degenerate varieties of the same, is a good way to look at the potato in situ.