Early blight and white mold — and the yield and quality loss due to these and other potato pests — are the top concerns of many potato growers. Those are the results of the Potato Perspectives Survey that Bayer CropScience, Research Triangle Park, N.C., conducted among attendees of the Potato Expo, Jan. 8-10, in San Antonio. Of those surveyed, 48 percent said early blight and white mold were the most difficult diseases to control in 2013. More