DISEASE: Bacterial leaf spot of beet
HOST: Beet
Beet leaves with spots and marginal necrosis.
Bacterial leaf spot of beet | Beet
DISEASE: Bacterial leaf spot of beet
HOST: Beet (Beta vulgaris subsp. vulgaris)
PATHOGEN: Pseudomonas syringae pv. aptata
PATHOGEN SYNONYM: Pseudomonas aptata
SOURCE: P. Brown
DISEASE: Petal blight
HOST: Orchid
Flower petals of Vanda orchid with necrotic spots.
Petal blight | Orchid
DISEASE: Petal blight
HOST: Orchid (Vanda sp.)
PATHOGEN: Acidovorax cattleyae
SOURCE: A. Alvarez
DISEASE: Phony disease (Phony peach)
HOST: Peach
Tree with characteristic reduced growth. Foliage is dark green, then turns yellowish. Twigs become brittle and branches die back. Fruit are small.
Phony disease (Phony peach) | Peach
DISEASE: Phony disease (Phony peach)
HOST: Peach (Prunus persica)
PATHOGEN: Xylella fastidiosa
SOURCE: P. C. Anderson
DISEASE: Phony disease (Phony peach)
HOST: Peach
Twigs on diseased trees have shortened internodes and increased lateral branching.
Phony disease (Phony peach) | Peach
DISEASE: Phony disease (Phony peach)
HOST: Peach (Prunus persica)
PATHOGEN: Xylella fastidiosa
SOURCE: M. Davis