DISEASE: Bacterial blight
HOST: Iris
Iris with irregularly shaped, water-soaked lesions and blighted leaves.
![](/sites/default/files/plant_disease/images/0480.jpg)
Bacterial blight | Iris
DISEASE: Bacterial blight
HOST: Iris (Iris tectorum)
PATHOGEN: Xanthomonas campestris pv. tardicrescens
SOURCE: M. Goto
DISEASE: Pear decline
HOST: Pear
'Bartlett' pears were grafted onto tolerant rootstock. All trees are infected. Note yellowish, diseased branches.
![](/sites/default/files/plant_disease/images/0697.jpg)
Pear decline | Pear
DISEASE: Pear decline
HOST: Pear (Pyrus communis 'Bartlett')
PATHOGEN: 'Candidatus Phytoplasma pyri'
PATHOGEN SYNONYM: Phytoplasma Apple proliferation group
SOURCE: C. Smart