在已形成树冠的大树上进行的嫁接方法。。一般在骨干枝的分枝上部20-30厘米处用腹接、劈接或切接以及芽接等方法接上若干接穗，嫁接数较多时，称为多头高接。
vt. topwork
misc. top grafting
在黄土高原旱地进行了苹果高接换种技术试验。
The experiment of top grafting technique for replacing cultivar was conducted in drought apple orchards of loss plateau.
由澳洲坚果高接换种试验研究表明：7种嫁接方法中合接和改良切接的嫁接成活率最高达38．9%；
Experiment on top grafting of Macadamia integrifolia showed that the survival rate could reach the highest (38.9%)with splice grafting and joint grafting of 7 grafting methods.
用腹接取代劈接和切接作为果树高接更新品种的方法对于克服缺铁失绿症、促进更新品种生长具有重要意义。
It is important to replace cleft grafting and cutting grafting with belly grafting as a method of top working to correct chlorosis and improve growth of new cultivar.
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