Assertion: bradford pear | /r/ObjectUse | used as blight-resistant rootstock
Facets:
value: for pyrus communis fruit orchards
type: TRANSITIVE-OBJECT
Source sentences:
text: The Bradford pear (Pyrus calleryana 'Bradford') in particular has become widespread in North America, and is used only as an ornamental tree, as well as a blight-resistant rootstock for Pyrus communis fruit orchards.