SOURCE:

J. Vigl, W. Schweigkofler

DISEASE:

Apple proliferation

HOST:

Apple

(Malus domestica 'Golden Delicious')

Enlarged stipules are typical with some cultivars infected by the phytoplasma.

PATHOGEN:

'Candidatus Phytoplasma mali'

PATHOGEN SYNONYM:

Phytoplasma Apple proliferation group