DISEASE: Bunch disease
HOST: Walnut
Tree with advanced disease symptoms of branch and twig death.

Bunch disease | Walnut
DISEASE: Bunch disease
HOST: Walnut (Juglans microcarpa)
PATHOGEN: 'Candidatus Phytoplasma pruni'
PATHOGEN SYNONYM: Phytoplasma X-disease group
SOURCE: W. Sinclair
DISEASE: Greening disease
HOST: Periwinkle
Diseased plants with phyllody and greenish yellow leaves.

Greening disease | Periwinkle
DISEASE: Greening disease
HOST: Periwinkle (Vinca minor)
PATHOGEN: 'Candidatus Phytoplasma asteris'
PATHOGEN SYNONYM: Phytoplasma Aster yellows group
SOURCE: E. Braun
DISEASE: Sudden death (Wilt)
HOST: Palm
Palm in Columbia with severe yellowing of leaves.

Sudden death (Wilt) | Palm
DISEASE: Sudden death (Wilt)
HOST: Palm (Elaeis guineensis)
PATHOGEN: Phytomonas sp.
SOURCE: R. McCoy, M. Davis