DISEASE: Bacterial bud and petal blight
HOST: Orchid
Miltonia orchid with brownish necrotic areas around edges of flower petals.

Bacterial bud and petal blight | Orchid
DISEASE: Bacterial bud and petal blight
HOST: Orchid (Miltonia sp.)
PATHOGEN: Acidovorax cattleyae
SOURCE: R. Raabe
DISEASE: Bacterial bud and petal blight
HOST: Orchid
Miltonia orchid with diseased water-soaked flower buds.

Bacterial bud and petal blight | Orchid
DISEASE: Bacterial bud and petal blight
HOST: Orchid (Miltonia sp.)
PATHOGEN: Acidovorax cattleyae
SOURCE: R. Raabe
DISEASE: Bacterial heart rot and fruit collapse
HOST: Pineapple
Infected leaf with olive green, puffy appearance.

Bacterial heart rot and fruit collapse | Pineapple
DISEASE: Bacterial heart rot and fruit collapse
HOST: Pineapple (Ananas comosus)
PATHOGEN: Dickeya sp.
PATHOGEN SYNONYM: Erwinia chrysanthemi
SOURCE: G. Taniguchi
DISEASE: Bacterial heart rot and fruit collapse
HOST: Pineapple
Advanced stage of heart rot. Note puffy appearance of discolored midportions of central heart leaves.

Bacterial heart rot and fruit collapse | Pineapple
DISEASE: Bacterial heart rot and fruit collapse
HOST: Pineapple (Ananas comosus)
PATHOGEN: Dickeya sp.
PATHOGEN SYNONYM: Erwinia chrysanthemi
SOURCE: C. V. Subere
DISEASE: Bacterial heart rot and fruit collapse
HOST: Pineapple
Dark, necrotic, decayed area at bases of central heart leaves. Advanced stage is characterized by an olive green leaf color and puffy appearance of midportions of leaves.

Bacterial heart rot and fruit collapse | Pineapple
DISEASE: Bacterial heart rot and fruit collapse
HOST: Pineapple (Ananas comosus)
PATHOGEN: Dickeya sp.
PATHOGEN SYNONYM: Erwinia chrysanthemi
SOURCE: K. Rohrbach
DISEASE: Bacterial heart rot and fruit collapse
HOST: Pineapple
Diseased plant with reddening of leaves, a symptom of the disease.

Bacterial heart rot and fruit collapse | Pineapple
DISEASE: Bacterial heart rot and fruit collapse
HOST: Pineapple (Ananas comosus)
PATHOGEN: Dickeya sp.
PATHOGEN SYNONYM: Erwinia chrysanthemi
SOURCE: G. Taniguchi
DISEASE: Bacterial heart rot and fruit collapse
HOST: Pineapple
Diseased pineapple (right) has olive green color. Healthy fruit (left).

Bacterial heart rot and fruit collapse | Pineapple
DISEASE: Bacterial heart rot and fruit collapse
HOST: Pineapple (Ananas comosus)
PATHOGEN: Dickeya sp.
PATHOGEN SYNONYM: Erwinia chrysanthemi
SOURCE: K. Rohrbach
DISEASE: Bacterial heart rot and fruit collapse
HOST: Pineapple
Diseased ripe fruit with external discoloration.

Bacterial heart rot and fruit collapse | Pineapple
DISEASE: Bacterial heart rot and fruit collapse
HOST: Pineapple (Ananas comosus)
PATHOGEN: Dickeya sp.
PATHOGEN SYNONYM: Erwinia chrysanthemi
SOURCE: C. V. Subere
DISEASE: Bacterial heart rot and fruit collapse
HOST: Pineapple
Longitudinal section of pineapple fruit core exhibiting outward spread of infection.

Bacterial heart rot and fruit collapse | Pineapple
DISEASE: Bacterial heart rot and fruit collapse
HOST: Pineapple (Ananas comosus)
PATHOGEN: Dickeya sp.
PATHOGEN SYNONYM: Erwinia chrysanthemi
SOURCE: C. V. Subere