Assertion: aphid | /r/CapableOf | weaken plant
Facets:
value: by feeding on their sap
type: MANNER
Source sentences:
text: Aphids can weaken a plant, stunt its growth, cause leaves to curl or wilt, and delay fruit or flower production.
text: —aphids weaken plants by feeding on their sap, and they sometimes transmit deadly viruses while eating.