12.0 Dr J M Sasse. First semester 36 hours of lectures and 36 hours of practical work. On completion of this subject, students should: understand elementary plant biochemistry; have introductory knowledge of molecular biology; have an understanding of the basic physiological processes that determine the growth and structure of trees and forests. Cell molecules, gene expression and replication, cell structure and function, membranes, photosynthesis, hormones, nitrogen metabolism, growth and differentiation in trees, environmental effects on tree growth, water relations, nutrition, stress physiology, physiological models. One written 3-hour examination at the end of the course. Marks may also be given for assignments and practical work. Salisbury, F B and Ross, C W, Plant Physiology, 4th ed. Wadsworth, 1992