International standards and resources
The American Phytopathological Society publishes a list of plant disease names.
Australian conventions and resources
The Australian Plant Pest Database, managed by Plant Health Australia, includes names and information about plant diseases and pests that could infect Australian commercial plants.
Names of plant diseases are often based on the name of the pathogen involved:
Fusarium wilt tomato ringspot virus infection
Other names are based on descriptions of the symptoms:
bacterial leaf spot black rot
Use British spellings and lower case for common names of plant diseases and pests, even if the disease name is usually abbreviated to an acronym. Exceptions are proper nouns and some (but not all) letters denoting type or subtype.
Asiatic citrus psyllid giant African snail Dutch elm disease Fusarium head blight mango leaf gall midge vegetable leafminer papaya ringspot