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Passalora concors (leaf blotch )
Passalora concors
leaf blotch
Mycovellosiella concors, Fusisporium concors, Cercospora concors
Africa: Kenya, Malawi, Uganda, Asia: Armenia, China, India, Pakistan, Sudan, Europe: Bulgaria, Cyprus, Germany, Poland, Sweden; North America: USA.
GA, IA, MI, MS, NY, WA, IN, WV, VT
2025-10-30
fungus
Korea
potato
MYCVCO
Passalora concors (formerly Mycovellosiella concors). It primarily infects potatoes and is transmitted via airborne spores from infected leaves and splash-dispersed conidia, with no evidence of seed or tuber transmission.
1 Known Hosts
Solanum lycopersicum
tomato
No
ARS GRIN, MYCVCO-1, MYCVCO-2
Tomato is listed on the ARS GRIN as a possible host but the pathogen is only included on a "preliminary" list of pathogens that may be in Poland. No substantiated evidence of tomato being a host for this pathogen was found. This is a pathogen of potato.
2025-10-30 11:42:57
ARS GRIN
Farr, DF and Rossman AY 2015. Fungal Databases, Systematic Mycology and Microbiology Laboratory, ARS, USDA. http://nt.ars-grin.gov/fungaldatabases/
MYCVCO-1
Tian, S. M., Ma, P., Liu, D. Q., & Zou, M. Q. (2008). First report of Cercospora concors causing Cercospora leaf blotch of potato in Inner Mongolia, North China. Plant disease, 92(4), 654-654.
MYCVCO-2
Morante, M. C. (2014). First report of Passalora concors (Casp.) causing Cercospora leaf blotch in the Andean region of Cochabamba, Bolivia. Journal of Plant Pathology & Microbiology, 5(2), 1.
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