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绪言以苹果栽培合理化为目的,矮化砧的引入受到了重视,大家也很关心其中英国东茂林试验场所培育的矮化砧木。但是,由于这些矮化砧木不能用简单的方法进行大量的繁殖,很难确保砧木的便宜价格,而成为日本普及矮化砧木的一个障碍。到目前为止,绝大多数是采用培土压条法来繁殖砧木。作者等为了解决这个问题,研究了培土压条法以外的繁殖方法,首先考虑了水平压条法,进而明确了根段扦插法
INTRODUCTION In order to rationalize the cultivation of apple, the introduction of dwarfing anvils has received great attention, and everyone is also very concerned about the dwarfing rootstocks cultivated in the test sites of the East Maolimie in England. However, as these dwarfing rootstocks can not be reproduced in large quantities in a simple manner, it is difficult to secure the cheap price of rootstocks and become a barrier to the popularization of dwarfing rootstocks in Japan. So far, the vast majority of cultivated rooting method is used to multiply soil. In order to solve this problem, the author studied the breeding methods other than the earth-mowing and pressing method. Firstly, the horizontal mounding method was considered, and then the root cuttings method