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Elm yellows | Elm
HOST:Elm
HOST (LATIN):Ulmus americana
PATHOGEN:Candidatus Phytoplasma ulmi
SYNONYM:Phytoplasma Elm yellows group
SOURCE:W. Sinclair
Diseased twig (right) with epinasty, chlorosis, and yellowing of leaves. Sometimes both yellow and green leaves occur on same branch. Healthy branch (left).