RESULTS

(4)

FILTER

DISEASE: Alfalfa dwarf

HOST: Alfalfa

Alfalfa dwarf is characterized by stunted plants (left), usually dark blue-green in color. Xylem tissues become brown, especially when exposed to air.

Alfalfa dwarf | Alfalfa

DISEASE: Alfalfa dwarf

HOST: Alfalfa (Medicago sativa)

PATHOGEN: Xylella fastidiosa

SOURCE: R. M. Davis

DISEASE: Bacterial leaf streak and stripe

HOST: Grass

Vasey grass with yellowish to brownish red streaks and stripes.

Bacterial leaf streak and stripe | Grass

DISEASE: Bacterial leaf streak and stripe

HOST: Grass (Paspalum urvillei)

PATHOGEN: Acidovorax avenae

PATHOGEN SYNONYM: Acidovorax avenae subsp. avenae

SOURCE: R. Gitaitis

DISEASE: Elm leaf scorch

HOST: Elm

Diseased tree with scorch at leaf margins.

Elm leaf scorch | Elm

DISEASE: Elm leaf scorch

HOST: Elm (Ulmus americana)

PATHOGEN: Xylella fastidiosa

SOURCE: J. Sherald, M. Shurtleff

DISEASE: Elm leaf scorch

HOST: Elm

Severely diseased tree with dieback and scorched leaves.

Elm leaf scorch | Elm

DISEASE: Elm leaf scorch

HOST: Elm (Ulmus americana)

PATHOGEN: Xylella fastidiosa

SOURCE: W. Sinclair