Potatoes in Canada

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Reminder for those buying seed potatoes in 2017

Potato seed tubers harbouring Dickeya dianthicola and Pectobacterium wasabiae are the only confirmed source of these pathogens.


February 13, 2017
By Steven B. Johnson University of Maine Cooperative

At this point, there is no evidence that either of the two pathogens overwinter in the soil. The generally accepted length of survival time in the soil for these pathogens is one week to six months, climate dependent. Longer survival is possible on plant matter in the soil. With that, the source of the inoculum, and hence the source of the disease, is seed. Therefore, any best management practices efforts on Dickeya dianthicola or Pectobacterium wasabiae must start with the seed. | READ MORE


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