Images from a 1940s slide set on how to control late blight in potatoes.

You may have heard about late blight of potatoes and tomatoes without even realizing it – it was the disease that caused the Irish potato famine of the mid-nineteenth century. In essence, Late blight of potatoes and tomatoes is a fungus-like pathogen that can infect and destroy the leaves, stems, fruits and tubers of potato and tomato plants.

And, unfortunately, the disease is still around. Amanda Gevens, a UW-Madison and UW-Extension plant pathologist, shared information with podCALS about how to identify the symptoms of late blight, what to do if you find infected plants and the disease’s prevalence so far this season.

Click here to listen to the podcast and read a transcript of the interview.