| plantsdb

RESULTS

(64)

DISEASE: Bacterial stem rot

HOST: Tomato

Stem with long necrotic lesions. The pathogen often enters plants following pruning injuries.

DISEASE: Bacterial stem rot

HOST: Tomato

Wilt is first symptom of disease. Later, the pith usually disintegrates, causing hollow and blackened stems.

DISEASE: Bacterial wilt

HOST: Tomato

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

DISEASE: Bacterial wilt

HOST: Tomato

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

DISEASE: Grain rot

HOST: Rice

Close-up of diseased grain. Infected portions of lemma and palea are purplish to dark brown.

DISEASE: Grain rot

HOST: Rice

Discolored and withered hulls of infected panicles. A brown margin between the infected and healthy parts of the grain is a diagnostic feature.

DISEASE: Halo blight

HOST: Rice

Leaves with yellowish brown lesions, 2 to 10 mm in diameter. Lesions are surrounded by distinct halos. Later, brown spots or stripes may develop in the center.

DISEASE: Pith necrosis

HOST: Tomato

Cracked, dry, hollow stems with internal necrosis.

DISEASE: Pith necrosis

HOST: Tomato

External necrotic stem tissues. Initial symptoms include chlorosis of young leaves. Wilting may occur when disease is severe.