RESULTS

(7)

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DISEASE: Bacterial leaf scorch

HOST: Sycamore

Sycamore with scorched leaves and dieback of small branches.

Bacterial leaf scorch | Sycamore

DISEASE: Bacterial leaf scorch

HOST: Sycamore (Platanus occidentalis)

PATHOGEN: Xylella fastidiosa

SOURCE: W. Sinclair

DISEASE: Bacterial leaf scorch

HOST: Sycamore

Close-up of scorched leaves.

Bacterial leaf scorch | Sycamore

DISEASE: Bacterial leaf scorch

HOST: Sycamore (Platanus occidentalis)

PATHOGEN: Xylella fastidiosa

SOURCE: W. Sinclair

DISEASE: Bacterial leaf spot

HOST: Cowpea

Leaf spots vary in size from small to large and some fall out in time, leaving a shot-hole appearance.

Bacterial leaf spot | Cowpea

DISEASE: Bacterial leaf spot

HOST: Cowpea (Vigna unguiculata)

PATHOGEN: Xanthomonas axonopodis pv. vignicola

PATHOGEN SYNONYM: Xanthomonas campestris pv. vignicola

SOURCE: R. Gitaitis

DISEASE: Bacterial leaf spot

HOST: Cowpea

Leaves with large, light brown necrotic areas.

Bacterial leaf spot | Cowpea

DISEASE: Bacterial leaf spot

HOST: Cowpea (Vigna unguiculata)

PATHOGEN: Xanthomonas axonopodis pv. vignicola

PATHOGEN SYNONYM: Xanthomonas campestris pv. vignicola

SOURCE: R. Gitaitis

DISEASE: Fire blight

HOST: Pluot

Fire blight cankers on major limb. Pluot is an interspecific hybrid of plum and apricot.

Fire blight | Pluot

DISEASE: Fire blight

HOST: Pluot (Prunus hybrid 'Dandy Dapple')

PATHOGEN: Erwinia amylovora

SOURCE: S. Mohan

DISEASE: Fire blight

HOST: Pluot

Dead shoot, the result of systemic infection.

Fire blight | Pluot

DISEASE: Fire blight

HOST: Pluot (Prunus hybrid 'Dandy Dapple')

PATHOGEN: Erwinia amylovora

SOURCE: S. Mohan

DISEASE: Fire blight

HOST: Pluot

Typical symptoms of fire blight-infected shoot.

Fire blight | Pluot

DISEASE: Fire blight

HOST: Pluot (Prunus hybrid 'Dandy Dapple')

PATHOGEN: Erwinia amylovora

SOURCE: S. Mohan