University of Idaho Extension has published a new bulletin to help potato farmers recognize the symptoms of bacterial rot and protect their operations from the devastating crop disease. <p>Idaho hasn’t had a ring rot flareup in a few years and the state’s last major outbreak of the disease was in 2012.<p>UI Extension Seed Potato Specialist Kasia Duellman hopes the bulletin will remind commercial and seed potato farmers to maintain good sanitation practices and remain vigilant for symptoms.<p>She warns ring rot is highly destructive and tough to eliminate once it gets a foothold on a farm. <p>“It can be an existential crisis for a seed potato grower’s business if it is found on their farm,” Duellman said. <p>The new UI ring rot bulletin can be found online at: https://webpages.uidaho.edu/extension-seed-potato/PDF/BUL1021BacterialRingRot.pdf <p>Ring rot, which is not a human health issue, is a tuber-borne bacterial disease that can