RESULTS

(6)

FILTER

DISEASE: Pierce's disease

HOST: Grape

Leaves with bright yellow, chlorotic areas with dead, dry, necrotic adjacent tissues.

Pierce's disease | Grape

DISEASE: Pierce's disease

HOST: Grape (Vitis vinifera)

PATHOGEN: Xylella fastidiosa

SOURCE: J. Clark, S. Purcell

DISEASE: Pierce's disease

HOST: Grape

Early symptoms of Pierce's disease on leaves. Symptoms vary greatly among cultivars.

Pierce's disease | Grape

DISEASE: Pierce's disease

HOST: Grape (Vitis vinifera 'Chardonnay')

PATHOGEN: Xylella fastidiosa

SOURCE: J. Clark, S. Purcell

DISEASE: Pierce's disease

HOST: Grape

Late-season wood on diseased canes fail to mature, leaving green "islands" of tissue surrounded by dark brown, mature wood.

Pierce's disease | Grape

DISEASE: Pierce's disease

HOST: Grape (Vitis vinifera 'Fiesta')

PATHOGEN: Xylella fastidiosa

SOURCE: S. Purcell

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

DISEASE: Sudden death (Wilt)

HOST: Palm

Palm with desiccated, wilted leaves, a symptom of the disease.

Sudden death (Wilt) | Palm

DISEASE: Sudden death (Wilt)

HOST: Palm (Elaeis guineensis)

PATHOGEN: Phytomonas sp.

SOURCE: R. McCoy, M. Davis

DISEASE: Syringae leaf spot

HOST: Tomato

Leaves with brown necrotic lesions and chlorotic margins. Symptoms vary greatly among cultivars. Some have black or brown lesions with bright yellow, chlorotic areas and others do not have yellowing.

Syringae leaf spot | Tomato

DISEASE: Syringae leaf spot

HOST: Tomato (Lycopersicon esculentum)

PATHOGEN: Pseudomonas syringae pv. syringae

SOURCE: R. Gitaitis