SOURCE:

C. Hibben, W. Sinclair

DISEASE:

Witches'-broom

HOST:

Lilac

(Syringa josiflexa 'Royalty')

Lilac with broomlike symptoms and dead twigs.

PATHOGEN:

'Candidatus Phytoplasma fraxini'

PATHOGEN SYNONYM:

Phytoplasma Ash yellows group