RESULTS

(5)

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DISEASE: Bacterial fruit blotch

HOST: Watermelon

Symptoms of external disease of mature watermelon.

Bacterial fruit blotch | Watermelon

DISEASE: Bacterial fruit blotch

HOST: Watermelon (Citrullus lanatus)

PATHOGEN: Acidovorax citrulli

PATHOGEN SYNONYM: Acidovorax avenae subsp. citrulli

SOURCE: R. X. Latin

DISEASE: Bacterial fruit blotch

HOST: Watermelon

Diseased watermelon with copious white foam.

Bacterial fruit blotch | Watermelon

DISEASE: Bacterial fruit blotch

HOST: Watermelon (Citrullus lanatus)

PATHOGEN: Acidovorax citrulli

PATHOGEN SYNONYM: Acidovorax avenae subsp. citrulli

SOURCE: R. Gitaitis

DISEASE: Bacterial leaf and stem necrosis

HOST: Watermelon

Seedlings with necrotic leaves and water-soaked stems.

Bacterial leaf and stem necrosis | Watermelon

DISEASE: Bacterial leaf and stem necrosis

HOST: Watermelon (Citrullus lanatus)

PATHOGEN: Pseudomonas viridiflava

SOURCE: Y. Aysan

DISEASE: Black rot

HOST: Rutabaga

Rutabaga with discoloration of vascular system.

Black rot | Rutabaga

DISEASE: Black rot

HOST: Rutabaga (Brassica napus var. napobrassica)

PATHOGEN: Xanthomonas campestris pv. campestris

SOURCE: M. Shurtleff

DISEASE: Elm yellows

HOST: Elm

Elm yellows is characterized by witches'-brooms and stunting. Some cultivars have both yellow and reddish foliar discoloration.

Elm yellows | Elm

DISEASE: Elm yellows

HOST: Elm (Ulmus parvifolia)

PATHOGEN: 'Candidatus Phytoplasma ulmi'

PATHOGEN SYNONYM: Phytoplasma Elm yellows group

SOURCE: W. Sinclair