Janna Beckerman, Purdue University (IMAGE) Purdue University Caption Janna Beckerman said apple scab is now resistant to popular fungicides in Indiana and Michigan. Orchard growers will have to change management techniques. Credit Purdue Agricultural Communication photo/Tom Campbell Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.