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Mycosphaerella brassicicola (cabbage ring spot )
Mycosphaerella brassicicola
cabbage ring spot
Asteroma brassicae, Asteromella brassicae, Cercospora albomaculans, Dothidea brassicae, Phyllosticta brassicicola, Phyllosticta napi, Pseudocercosporella anguioides, Sphaerella brassicicola, Sphaeria brassicicola., Depazea brassicicola
Worldwide
AL,CA, HI, IL, OR, NY, TX, WA
2022-04-13 18:04:27
fungus
Mexico
Brassicaceae
MYCOBR
3 Known Hosts
Brassica oleracea vars.
cabbage, cauliflower, broccoli, brussel sprouts
No
ISF RPLD
No references found indicating seed as a pathway, though some references imply that seed may be a pathway. Crop debris is the most common source of inoculum. Plant debris associated with the seed may carry fungal spores.
Though there is no clear data,  hot water disinfection and Thiram slurry seed treatments may be effective against the fungus in debris.
Clean and condition seed to remove all plant debris.
MYCOBR-5
ISF RPLD
International Seed Federation Regulated Pest List Database. pestlist.worldseed.org Nyon Switzerland
MYCOBR-5
Kurose, D., Evans, H.C., Djeddour, D.H., Cannon, P.F., Furuya, N., and Tsuchiya, K. 2009. Systematics of Mycosphaerella species associated with the invasive weed Fallopia japonica, including the potential biological control agent M. polygoni-cuspidati. Mycoscience 50: 179-189.
Brassica napus
rapeseed
No
No references found indicating that seed is a pathway. Crop debris is the most common source of inoculum. Plant debris associated with the seed may carry fungal spores.
Brassica rapa
chinese cabbage, turnip
No
No references found indicating seed is a pathway. Debris is the most common source of inoculum. Crop debris associated with the seed may carry fungal spores.
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