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荷兰瓦格宁根市高等农业学校马利努斯博士培育出了一种独特的马铃薯,它的块茎全部生在地面以上的茎秆上。培育的方法是,取一段带叶的马铃薯茎秆,将它的下端用一种能造根的植物激素进行处理,移植到温室中去。然后用另外一种生长素进行处理,再置于光照F每天不超过12小时,这样一来,
Dr. Marinus, a farmer’s school of agriculture at Wageningen, the Netherlands, breeds a unique potato whose tubers are all grown on stalks above the ground. The method of breeding is to take a leafy potato stalk, treat it with a plant hormone capable of rooting and transplanting it into a greenhouse. And then treated with another kind of auxin, and then placed in light F no more than 12 hours a day, this way,