DISEASE: Bacterial stalk and top rot
HOST: Corn (Maize)
Corn at intermediate stage of disease development.
Bacterial stalk and top rot | Corn (Maize)
DISEASE: Bacterial stalk and top rot
HOST: Corn (Maize) (Zea mays)
PATHOGEN: Dickeya zeae
PATHOGEN SYNONYM: Erwinia chrysanthemi pv. zeae
SOURCE: A. Alvarez
DISEASE: Bacterial stalk and top rot
HOST: Corn (Maize)
Plant with decay of growing point and stalk. Other bacterial species also cause stalk rot, including Pectobacterium carotovorum.
Bacterial stalk and top rot | Corn (Maize)
DISEASE: Bacterial stalk and top rot
HOST: Corn (Maize) (Zea mays)
PATHOGEN: Dickeya zeae
PATHOGEN SYNONYM: Erwinia chrysanthemi pv. zeae
SOURCE: APS
DISEASE: Bacterial stalk and top rot
HOST: Corn (Maize)
Corn with tan, water-soaked, slimy stalk tissue.
Bacterial stalk and top rot | Corn (Maize)
DISEASE: Bacterial stalk and top rot
HOST: Corn (Maize) (Zea mays)
PATHOGEN: Dickeya zeae
PATHOGEN SYNONYM: Erwinia chrysanthemi pv. zeae
SOURCE: D. White
DISEASE: Bacterial stalk and top rot
HOST: Corn (Maize)
The disease typically occurs midseason and causes tan to dark brown, water-soaked, rotted tissues at base of whorl. Uppermost leaves may wilt.
Bacterial stalk and top rot | Corn (Maize)
DISEASE: Bacterial stalk and top rot
HOST: Corn (Maize) (Zea mays)
PATHOGEN: Dickeya zeae
PATHOGEN SYNONYM: Erwinia chrysanthemi pv. zeae
SOURCE: S. Mohan
DISEASE: Bacterial stalk and top rot
HOST: Corn (Maize)
Corn exhibiting symptoms at early stage of disease. Note water-soaked external stalk tissues.
Bacterial stalk and top rot | Corn (Maize)
DISEASE: Bacterial stalk and top rot
HOST: Corn (Maize) (Zea mays 'Pukekohe')
PATHOGEN: Dickeya zeae
PATHOGEN SYNONYM: Erwinia chrysanthemi pv. zeae
SOURCE: J. Young
DISEASE: Bacterial stalk and top rot
HOST: Sorghum
Row of severely diseased plants.
Bacterial stalk and top rot | Sorghum
DISEASE: Bacterial stalk and top rot
HOST: Sorghum (Sorghum bicolor)
PATHOGEN: Dickeya zeae
PATHOGEN SYNONYM: Erwinia chrysanthemi pv. zeae
SOURCE: L. Claflin
DISEASE: Bacterial stalk and top rot
HOST: Sorghum
Water-soaking and necrosis of severely diseased leaves.
Bacterial stalk and top rot | Sorghum
DISEASE: Bacterial stalk and top rot
HOST: Sorghum (Sorghum bicolor)
PATHOGEN: Dickeya zeae
PATHOGEN SYNONYM: Erwinia chrysanthemi pv. zeae
SOURCE: L. Claflin
DISEASE: Green petal disease
HOST: Strawberry
Diseased plant with button berries and green petals that turn red. The disease is caused by a subgroup of aster yellows.
Green petal disease | Strawberry
DISEASE: Green petal disease
HOST: Strawberry (Fragaria × ananassa)
PATHOGEN: 'Candidatus Phytoplasma' sp.
PATHOGEN SYNONYM: Phytoplasma (undefined)
SOURCE: M. Clark
DISEASE: X-disease (Western X) or buckskin
HOST: Cherry
Comparison of normal, dark cherries (in hand) with infected, immature cherries with less pigmentation.
X-disease (Western X) or buckskin | Cherry
DISEASE: X-disease (Western X) or buckskin
HOST: Cherry (Prunus avium)
PATHOGEN: 'Candidatus Phytoplasma pruni'
PATHOGEN SYNONYM: Phytoplasma X-disease group
SOURCE: A. Purcell, M. Davis