Assertion: black walnut | /r/CapableOf | produce substance
Facets:
value: to other plants
type: TRANSITIVE-OBJECT
Source sentences:
text: The Black walnut produces a substance that is toxic or "allelopathic" to other plants called juglone.
text: The black walnut tree (Juglans nigra) produces a substance known as juglone.
text: The black walnut produces a substance that is toxic, or "allelopathic," to other plants called juglone.
text: The black walnut tree (Juglans nigra L.) produces a substance called juglone that is harmful to certain species of plants and trees.