十字花科蔬菜植物,在营养生长期间,茎部并不向上伸长。因此,这些植物在这期间通过茎接法进行嫁接教养,就比较困难。为了克服这种困难,作者除试验了一种花序嫁接法外,于1953年冬又对于萝卜和球茎甘蓝,利用它们的特殊器官(膨大的根和茎),而设计试验了一种顶芽根接法,结果获得了成功。方法的设计是根据萝卜和球茎甘蓝在形态组织上的特殊结构,即它们的次生木质部(萝卜)或椭部(球茎甘蓝)都非常发达,具有大量的薄壁细胞,尤其是 Cruciferous vegetable plants, stems do not elongate upward during vegetative growth. As a result, it is more difficult for these plants to be grafted by stem-join during this period. In order to overcome this difficulty, in addition to testing an inflorescence grafting method, in the winter of 1953 and for radish and kohlrabi, using their special organs (dilated roots and stems), the authors designed and tested a terminal bud root Connection, the result was successful. The design of the method is based on the special structure and morphology of radish and kohlrabi, that is, their secondary xylem (radish) or ellipses (kohlrabi) are highly developed with a large number of parenchyma cells, especially