Aphanomyces raphani

{{Short description|Species of single-celled organism}}

{{Speciesbox

| image =

| genus = Aphanomyces

| species = raphani

| authority = J.B. Kendr., (1927)

}}

Aphanomyces raphani,{{Cite web |title=Species Fungorum - GSD Species |url=https://www.speciesfungorum.org/GSD/GSDspecies.asp?RecordID=276151 |access-date=2023-04-01 |website=www.speciesfungorum.org}} 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.{{Cite journal |last=UK, CAB International |last2=Hall |first2=G. |date=December 1989 |title=Aphanomyces raphani . [Descriptions of Fungi and Bacteria]. |url=http://cabidigitallibrary.org/doi/10.1079/DFB/20056400973 |journal=Descriptions of Fungi and Bacteria |language=en |volume=98 |doi=10.1079/DFB/20056400973 |issn=2514-5592}}