Didymella lycopersici
canker of tomato
Ascochyta lycopersici, Diplodina lycopersici, Phoma lycopersici, Sphaeronaema lycopersici,
Worldwide
AK, DE, FL, NJ, NC, OR, VA, WI
2022-11-22 18:57:08
fungus
China, Korea, Thailand
peppers, tomato, eggplant
DIDYLY
3 Known Hosts
Capsicum annuum
pepper
No
DIDYLY-8,ISF RPLD
Pathway not proven. Detected in seed coats and endosperm from one cultivar in only one research paper. Research was primarily done in the laboratory or greenhouse. No other references or research found to verify if this pathogen is seed borne in pepper.
Khulbe RD, Dhyani AP, Sati MC, 1991. Seed-borne Didymella lycopersici and Diaporthe phaseolorum: their location in seed, transmission and pathogenic importance in red pepper and bell pepper. Indian Phytopathology, 44:480-486
International Seed Federation Regulated Pest List Database. pestlist.worldseed.org Nyon Switzerland
Solanum lycopersicum
tomato
Yes
DIDYLY-2,DIDYLY-3,DIDYLY-4,ISF RPLD
Seed transmission has been demonstrated. Spores of the fungus are found on external seed parts. Fungus does not survive more than 9 months on seed.
Yes
Agar plate
DIDYLY-2,DIDYLY-3
Thiram and Benomyl
DIDYLY-6,DIDYLY-7,DIDYLY-4
Knight DE, Keyworth WG, 1960. Didymella stem rot of outdoor tomatoes. I and II. Annals of Applied Biology, 48:245-269.
Phillips DH, 1956. Tomato seed transmission of Didymella lycopersici Kleb. Transactions of British Mycological Society, 39:319-329.
Fagg J, Fletcher JT, 1987. Studies of the epidemiology and control of tomato stem rot caused by Didymella lycopersici. Plant Pathology, 36:361-366
International Seed Federation Regulated Pest List Database. pestlist.worldseed.org Nyon Switzerland
Kasselaki AM, Malathrakis NE, Goumas DE, Cooper JM, Leifert C, 2008. Effect of alternative treatments on seed-borne Didymella lycopersici in tomato. Journal of Applied Microbiology, 105:36-41
Kasselaki AM, Malathrakis NE, Goumas DE, Leifert C, 2007. Effect of alternative seed treatments on seed-borne fungal diseases in tomato. In: Improving sustainability in organic and low input food production systems. Proceedings of the 3rd International Congress of the European Integrated Project Quality Low Input Food (QLIF), University of Hohenheim, Germany, 20-23 March, 2007 [ed. by Niggli, U.\Leifert, C.\Alföldi, T.\Lück, L.\Willer, H.]. Frick, Switzerland: Research Institute of Organic Agriculture (FiBL), 289-291.
Solanum melongena
eggplant
No
ISF RPLD
No references found indicating seed is a pathway. Seed pathway may be inferred because tomato seed is a pathway.
International Seed Federation Regulated Pest List Database. pestlist.worldseed.org Nyon Switzerland
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