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Witches'-broom | Alfalfa

HOST:Alfalfa
HOST (LATIN):Medicago sativa
PATHOGEN:Candidatus Phytoplasma trifolii
SYNONYM:Phytoplasma Clover proliferation group
SOURCE:S. Thomson

Alfalfa plant (center) exhibiting stunting and proliferation of stems. Other symptoms are small, rounded, chlorotic, often puckered leaves and a yellowish cast.