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DISEASE: Bacterial wilt

HOST: Tomato

Severely infected plants in glass house. First symptoms appear as wilt of young leaves. Leaf epinasty may occur.

Bacterial wilt | Tomato

DISEASE: Bacterial wilt

HOST: Tomato (Lycopersicon esculentum)

PATHOGEN: Ralstonia solanacearum

PATHOGEN SYNONYM: Pseudomonas solanacearum

SOURCE: M. Goto

DISEASE: Bacterial wilt

HOST: Tomato

Necrotic, brownish, cortical tissues. Massive infection of cortex may result in water-soaked lesions on stem surfaces.

Bacterial wilt | Tomato

DISEASE: Bacterial wilt

HOST: Tomato (Lycopersicon esculentum)

PATHOGEN: Ralstonia solanacearum

PATHOGEN SYNONYM: Pseudomonas solanacearum

SOURCE: A. Hayward

DISEASE: Olive knot

HOST: Olive

Multiple infections of young stems. The bacterium invades vascular tissues during certain times of the year and may be isolated from branches that appear healthy.

Olive knot | Olive

DISEASE: Olive knot

HOST: Olive (Olea europaea)

PATHOGEN: Pseudomonas savastanoi pv. savastanoi

SOURCE: M. Schroth

DISEASE: Olive knot

HOST: Olive

Tree with knots/galls on branches along with twig dieback, which is associated with knots. Fusarium and Diplodia spp. infect through knots and are thought to be main reason for dieback.

Olive knot | Olive

DISEASE: Olive knot

HOST: Olive (Olea europaea)

PATHOGEN: Pseudomonas savastanoi pv. savastanoi

SOURCE: M. Schroth

DISEASE: Olive knot

HOST: Olive

Multiple infections on olive branch. Knots at this stage begin to die from the outside in and are infected by several fungi.

Olive knot | Olive

DISEASE: Olive knot

HOST: Olive (Olea europaea)

PATHOGEN: Pseudomonas savastanoi pv. savastanoi

SOURCE: M. Schroth