These IDENTICAL plants taken from the same mother were grown on Cereus rootstock on left vs Hylocereus rootstock on right.
Same age and size when grafted a year ago(TP Dawsons 1 X Trichocereus J1).
These differences may help you confirm/deny cultivar differences that are not visible on similar looking plants when are still ungrafted on their own roots.
Grafting may also help shape growth for certain aspects like spine length, size, weight, chemical composition, insect resistance, disease resistance etc.
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These IDENTICAL plants taken from the same mother were grown on Cereus rootstock on left vs Hylocereus rootstock on right.
Same age and size when grafted a year ago(TP Dawsons 1 X Trichocereus J1).
These differences may help you confirm/deny cultivar differences that are not visible on similar looking plants when are still ungrafted on their own roots.
Grafting may also help shape growth for certain aspects like spine length, size, weight, chemical composition, insect resistance, disease resistance etc.