Dr. Bert Cregg

Dr. Bert Cregg

Dr. Bert Cregg is a Professor of Horticulture and Forestry at Michigan State University. He holds a doctorate in Tree Physiology from the University of Georgia. Dr. Cregg conducts research and extension programs on physiology and management of trees in landscapes and nursery and Christmas tree production. 

Michigan State University

Quit Stressing Me Out! Coping with Abiotic Plant Issues

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Tree stresses caused by environmental factors such as drought, cold, and flooding, are among some of the most common problems faced by trees in the Great Lakes region.  In this presentation, Dr. Bert Cregg, Professor of Horticulture and Forestry at Michigan State University, will discuss abiotic problems that affect trees and the site conditions that often lead to them.  Dr. Cregg will present ways to deal with abiotic issues and suggest tree selections that may head off problems before they start.