RESULTS

(4)

FILTER

DISEASE: Bacterial pustule

HOST: Soybean

Early symptoms are minute, pale green spots on young leaves. Later, small pustules form in the center of spots, best observed on underside of leaves. Spots vary in size and darken with age and lesions coalesce. Dead areas are torn away by wind.

Bacterial pustule | Soybean

DISEASE: Bacterial pustule

HOST: Soybean (Glycine max)

PATHOGEN: Xanthomonas axonopodis pv. glycines

PATHOGEN SYNONYM: Xanthomonas campestris pv. glycines

SOURCE: APS

DISEASE: Enterobacter bulb decay

HOST: Onion

Onion bulb with extensive soft, brown rot.

Enterobacter bulb decay | Onion

DISEASE: Enterobacter bulb decay

HOST: Onion (Allium cepa)

PATHOGEN: Enterobacter cloacae

SOURCE: H. Schwartz

DISEASE: Hollow stalk

HOST: Tobacco

Hollow stalk may appear at time of topping and suckering. Top leaves wilt and the stalk becomes bare as the disease moves downward.

Hollow stalk | Tobacco

DISEASE: Hollow stalk

HOST: Tobacco (Nicotiana tabacum)

PATHOGEN: Pectobacterium carotovorum

PATHOGEN SYNONYM: Erwinia carotovora subsp. carotovora

SOURCE: P. Shoemaker

DISEASE: Hollow stalk

HOST: Tobacco

Infection of flue-cured tobacco stalks occur at wound sites caused by topping. After top infection, browning of pith occurs and tissues rot.

Hollow stalk | Tobacco

DISEASE: Hollow stalk

HOST: Tobacco (Nicotiana tabacum)

PATHOGEN: Pectobacterium carotovorum

PATHOGEN SYNONYM: Erwinia carotovora subsp. carotovora

SOURCE: APS