Assertion: wilt's symptom | /r/CapableOf | develop causing a thinning of the leaves
Facets:
value: slowly
type: MANNER
value: in pistachio
type: LOCATION
value: over several years
type: TEMPORAL
value: in some cases
type: TEMPORAL
Source sentences:
text: In some cases, particularly in pistachio, symptoms develop slowly over several years causing a thinning of the leaves and a corresponding loss in yield as the fungus progresses up the branch.