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Microdochium panattonianum (anthracnose of lettuce )
Microdochium panattonianum
anthracnose of lettuce
Ascochyta suberosa, Didymaria perforans, Marssonia panattoniana, Marssonia perforans, Marssonina panattoniana
Worldwide, primarily North America, Europe, Australia
AK, CA, FL, ID, MI, NC, OR TX, WA
2021-04-28
fungus
endive, lettuce
MARSPA
The primary inoculum is soilborne
2 Known Hosts
Lactuca sativa
lettuce
No
MARSPA-3,MARSPA-4,MARSPA-5,RICH ISTA
Pathway not proven. Seed as a pathway has been evaluated by artificially inoculated seed and seed harvested from infected plants. Neither technique resulted in infected seedlings. Seed as a pathway has been discounted and other sources of inoculum are considered more important in the epidemiology of the disease.
No
Yes, Thiram slurry
Produce lettuce seed in dry climates where Microdochium panattonianum is not disease problem.
MARSPA-5
MARSPA-3
Davis, R.M., Subbarao, K.V., Raid, R.N., and Kurtz, E.A. 1997. Compendium for lettuce diseases. American Phytopathological Society: St. Paul, Minnesota (USA).
MARSPA-4
Galea VJ, Price TV, 1988. Infection of lettuce by Microdochium panattonianum. Transactions of the British Mycological Society, 91:419-425
MARSPA-5
International Seed Federation Regulated Pest List Database. www.pestlist.worldseed.org. Nyon, switzerland
RICH ISTA
Richardson, MJ. 1990. An Annotated List of Seedborne Diseases. International Seed Testing Association, Zurich Switzerland.
Cichorium endivia
endive
No
No references found indicating seed is a pathway. Inoculum is primarily from soil.
Production of lettuce seed in dry climates may be applied to endive seed production.
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