Michigan State University
Bio: Dr. Bert Cregg is a Professor of Horticulture and Forestry at Michigan State University. He conducts research and extension programming on physiology and management of trees in landscapes, nurseries, and Christmas tree production. Prior to joining the faculty at MSU he was a research plant physiologist for the US Forest Service and International Paper.
Root dips including mycorrhizae, bio-stimulants, and other products are widely promoted to improve tree planting success. In this presentation, Dr. Bert Cregg will discuss the basics behind these products and present recent research from his lab on their effectiveness in improving tree survival and growth after transplanting.