Assertion: apple tree's rootstock | /r/CapableOf | provide vigor
Facets:
value: to the grafted scion
type: TRANSITIVE-OBJECT
Source sentences:
text: Semi-dwarf trees are very commonly grafted trees; a shoot (called scion) taken from an apple variety (which transmits the fruiting qualities of the variety) is grafted on to a particular rootstock (to provide vigor to the grafted scion) which determines the size of the tree.