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.

Email: cregg@msu.edu

Website: https://www.canr.msu.edu/people/bert_cregg