Yes, in fact most roses and fruit trees are grafted onto different root stock. Most citrus is on sour orange stock. https://citrusrootstocks.org/rootstock-cultivars/ In the case of roses, this is the hideous Dr Huey variety, which will often try and take over the grafted rose https://www.rosenotes.com/2012/03/dr-huey-you-sucker-you.htm...