Recently we've seen suspected chemical injury on a number of plants including sugar maple and redbud.
Sugar Maple
Photo: Rosetta, OSU
Suspected chemical injury on sugar maple
Photo: Rosetta, OSU
Suspected chemical injury on sugar maple.
Note curling new growth.
Photo: Rosetta, OSU
Suspected chemical injury on sugar maple 'Green Mountain'
Note straplike new growth, leaf curling.
Redbud
Note the leaf distortion, vein enlargement, scallped edges.
Photo: Rosetta, OSU
Closeup of suspected chemical injury on redbud.
Note the leaf puckering.
Photo: Rosetta, OSU
Closeup of suspected chemical injury on redbud.
Note the leaf distortion and vein enlargment.
Photo: Rosetta, OSU
Closeup of suspected chemical injury on redbud.
Note scalloped leaf edges.