RESULTS

(3)

FILTER

DISEASE: Bacterial blight

HOST: Poppy

The disease begins with water-soaked lesions that turn brown to black. They may be surrounded by a translucent ring. Buds, leaves, flowers, and pods are affected.

Bacterial blight | Poppy

DISEASE: Bacterial blight

HOST: Poppy (Eschscholzia californica)

PATHOGEN: Xanthomonas campestris pv. papavericola

SOURCE: M. Daughtrey

DISEASE: Bacterial leaf spot

HOST: Elm

Leaf with small, dark brown lesions and necrosis along veins.

Bacterial leaf spot | Elm

DISEASE: Bacterial leaf spot

HOST: Elm (Ulmus americana)

PATHOGEN: Pseudomonas syringae pv. ulmi

SOURCE: W. Sinclair

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.

Halo blight | Rice

DISEASE: Halo blight

HOST: Rice (Oryza sativa)

PATHOGEN: Pseudomonas syringae pv. oryzae

SOURCE: H. Kuwata