The Role of Physiology in Forestry

Kramer, P.J.

The Forestry Chronicle 32(3): 297-308


DOI: 10.5558/tfc32297-3
Accession: 068508014

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As forestry becomes more intensive, problems, many of which are essentially physiological in nature, multiply. Because of this the need for physiological research and co-operation between foresters and physiologists is stressed. The role of tree physiology in forestry is defined as being two-fold: first, to elucidate the nature of the basic physiological processes in the tree which control growth, and second, to show how these processes are individually or collectively affected by both heredity and environment. The knowledge thus gained will widen the possibilities for scientific management of forest development. By way of illustration, several examples of forestry problems are cited in which benefits have been derived from a physiological approach, such as pine-hardwood competition, littleleaf disease, dieback, and cold resistance. Attention is drawn to further problems of forestry which invite and require the participation of physiologists for their solution. Among these are: (1) the basis of disease and insect resistance, (2) the problem of survival of seedlings, (3) growth efficiency of a tree in a particular environment, (4) factors affecting length of growing season of trees.