These “3R” potatoes have been painstakingly developed by the International Potato Center (CIP) through research in Lima, Peru, and Nairobi, Kenya. Late Blight, caused by the water mold Phytophthora infestans, remains a persistent threat to potato production because of limited and largely defeated resistance in domesticated potato (Solanum tuberosum).
Kenya Nears Release of Disease-Resistant 3R Potatoes to Protect Farmers from Late Blight



