Black Dot (Colletotrichum coccodes) disease

Black dot is a fungal disease caused by Colletotrichum coccodes. Once considered a minor pathogen, recently there have been significant yield losses and reduced quality. Read this factsheet to know what to look for, how it spreads, and what you can do about it.

Click here to download the factsheet

Life cycle diagram produced by J. Ekman

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Soil biology in potato production

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PotatoLink Bulletin November 2021