Question

'Cleft grafting', a widely practiced grafting technique often used in top working of fruit trees, involves splitting open the cut end of a rootstock branch and inserting one or more wedge-shaped scion pieces into the resulting cleft, primarily to ensure:

Q: Answer-'Cleft grafting', a widely practiced grafting technique often used in top working of fruit trees, in...

Cleft grafting ensures close, firm contact between the cambium layers of the rootstock and scion achieved by carefully aligning the cut surfaces within the cleft, which is essential for successful graft union formation, since it is specifically the actively dividing cambium tissue not the bark or wood alone that must connect for the graft to heal and grow together successfully.