Aphanomyces raphani

Aphanomyces raphani
Scientific classification
Domain: Eukaryota
Clade: Diaphoretickes
Clade: Sar
Clade: Stramenopiles
Class: Oomycetes
Order: Saprolegniales
Family: Leptolegniaceae
Genus: Aphanomyces
Species:
A. raphani
Binomial name
Aphanomyces raphani
J.B. Kendr., (1927)

Aphanomyces raphani, also known as Radish black root disease, is a fungal plant pathogen of various species of Brassicaceae. It is a necrotrophic pathogen causing small black water soaked lesions on its hosts which become rapidly colonised by other fungi and bacteria.