New IDM Grower Guidelines, Fungicide Rotations

Bill Calkins

Ball Seed has released revised Impatiens Downy Mildew (IDM) Guidelines for Growers with new Fungicide Rotation Information. The company has also recorded a video presentation for growers explaining how to use the data in the charts to develop an effective fungicide program. Both resources can be found on the Ball Seed website at (scroll down to “Insects & Diseases”).

A direct link to the revised guidelines and fungicide rotations can be found at The video “How to Use the Guidelines—A Video Discussion with Dr. Will Healy”—which includes a look at the charts, how to assess risk and tips to avoid phytotoxicity —is at

These resources will also be shared with the Greenhouse Tech Team Group on Facebook and on Ball Seed’s LinkedIn Page. GT