Research Library

Late Blight

Late blight (caused by Phytophthora infestans) may be the most destructive pathogen of potato with respect to the effect this disease has had upon human history.  

Late blight was the biological cause of the Irish potato famine in the mid-1800’s.  The disease still can cause significant crop loss today. Many management options are available for managing potato late blight.



Additional Resources

Common Pests of Potatoes

I recently had the opportunity to speak at the Utah State University Vegetable IPM Winter Webinar Series (January 20, 2021). Nick Volesky and I talked about common insect and disease problems of potatoes. It wasn't possible to discuss all diseases, or spend a lot of...

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Potato Disease Quiz

The answers are in! For those attending the Idaho Potato Conference and participating in the Disease Quiz, see how you did!

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