WITCHES'-BROOM
|
Alfalfa

SOURCE:
S. Thomson
DISEASE:
Witches'-broom
HOST:
Alfalfa
(Medicago sativa)
Alfalfa plant (center) exhibiting stunting and proliferation of stems. Other symptoms are small, rounded, chlorotic, often puckered leaves and a yellowish cast.
PATHOGEN:
'Candidatus Phytoplasma trifolii'
PATHOGEN SYNONYM:
Phytoplasma Clover proliferation group