DISEASE: Bacterial leaf spot
HOST: Hydrangea (Oak-leaf)
Leaf with individual brown necrotic lesions and coalesced lesions that formed large necrotic areas. The disease is caused by an unclassified xanthomonad.
Bacterial leaf spot | Hydrangea (Oak-leaf)
DISEASE: Bacterial leaf spot
HOST: Hydrangea (Oak-leaf) (Hydrangea quercifolia)
PATHOGEN: Xanthomonas campestris
SOURCE: W. Uddin, W. Sinclair
DISEASE: Bacterial wilt
HOST: Ginger
Blackening of pith and cortex of rhizome.
Bacterial wilt | Ginger
DISEASE: Bacterial wilt
HOST: Ginger (Zingiber officinale)
PATHOGEN: Ralstonia solanacearum
PATHOGEN SYNONYM: Pseudomonas solanacearum
SOURCE: A. Alvarez
DISEASE: Bacterial wilt
HOST: Ginger
Field of wilted ginger plants.
Bacterial wilt | Ginger
DISEASE: Bacterial wilt
HOST: Ginger (Zingiber officinale)
PATHOGEN: Ralstonia solanacearum
PATHOGEN SYNONYM: Pseudomonas solanacearum
SOURCE: A. Hayward
DISEASE: Bacterial wilt
HOST: Ginger
Ginger plants with yellowing, marginal necrosis, and downward curling of infected leaves, in contrast to darker, fully expanded healthy leaves.
Bacterial wilt | Ginger
DISEASE: Bacterial wilt
HOST: Ginger (Zingiber officinale)
PATHOGEN: Ralstonia solanacearum
PATHOGEN SYNONYM: Pseudomonas solanacearum
SOURCE: M. Paret, N. Joy
DISEASE: Bacterial wilt
HOST: Ginger
Cupping and leaf necrosis precedes wilt and death of plants.
Bacterial wilt | Ginger
DISEASE: Bacterial wilt
HOST: Ginger (Zingiber officinale)
PATHOGEN: Ralstonia solanacearum
PATHOGEN SYNONYM: Pseudomonas solanacearum
SOURCE: M. Paret, N. Joy
DISEASE: Bacterial wilt
HOST: Ginger
Typical symptoms of bacterial wilt in ginger plantations, Kerala, India.
Bacterial wilt | Ginger
DISEASE: Bacterial wilt
HOST: Ginger (Zingiber officinale)
PATHOGEN: Ralstonia solanacearum
PATHOGEN SYNONYM: Pseudomonas solanacearum
SOURCE: M. Paret, N. Joy