Assertion: black walnut | /r/ObjectUse | used as rootstock
Facets:
value: for commercial breeding of j. regia
type: PURPOSE
value: primarily
type: DEGREE
value: often
type: TEMPORAL
value: for the english scion
type: TRANSITIVE-OBJECT
Source sentences:
text: The Northern California black walnut (Juglans hindsii) and the hybrid ‘Paradox’ (J. hindsii x J. regia) are used primarily as a rootstock for the English scion.
text: Other species include J. californica, the California black walnut (often used as a root stock for commercial breeding of J. regia), J. cinerea (butternuts), and J. major, the Arizona walnut.