Blight (disambiguation)

Blight commonly refers to:

Potato blight:
- Late blight, caused by Phytophthora infestans an oomycete or water mold that causes the serious potato disease
- Early blight, caused by Alternaria solani a fungal pathogen, producing a disease in tomato and potato plants

Blight may also refer to:

Alternaria leaf blight, a condition of cucurbits caused by the ascomycete fungus Alternaria cucumerina.
Black potato blight, caused by Phoma andigena a fungal pathogen of potatoes only found at altitude in Peru.
Blossom blight or sclerotinia rot, a genus of fungi with numerous plant pathogenic taxa.
Corynespora blight, caused by the plant pathogen Corynespora cassiicola. Also known as "target spot".
Gummy stem blight, caused by Didymella bryoniae a fungal plant pathogen, which attacks mature plants. A sunken brown canker appears at the base of the stem.
Halo blight, caused by Pseudomonas amygdali pv. phaseolicola a bacterial blight disease in legumes.
Pantoea bacterial blight, better known as bacterial brown spot, caused by the Gram-negative bacteria Pantoea ananatis
Phoma blight, caused by one of the Phoma species of about 140 taxa of plant pathogenic species including P. exigua var. foveata (Gangrene) and P. terrestris (Pink root of onion).
Phomopsis blight, caused by Phomopsis a genus of canker-producing plant pathogens.
Rhizoctonia blight, caused by Rhizoctonia solani a plant pathogenic fungus with a wide host range and worldwide distribution.