|Forest Investment Account|
|Abstract of FII Project R04-086|
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A Comparison of the Genetic Diversity and Mode of Spread of the Spruce Pathogen Inonotus tomentosus in Old-growth Forests and Plantations
|Author(s): Lewis, Kathy (University of Northern British Columbia)||Subject: Ecology, Forestry, Genetics, Pathology, Silviculture/Forest Management Systems||Series: Forest Investment Account (FIA) - Forest Science Program|
Inonotus tomentosus is a fungal pathogen of commercially valuable tree species in British Columbia and one of the most important biotic disturbance agents in conifer forests across Canada. Little is known about mode of infection and relative roles of basidiospores and root contact in disease spread. An investigation into the diversity of genotypes of I. tomentosus will help to determine whether infection is due to spread by root contact, by basidiospores, or a combination of the two and if forest management affects the mode of disease spread. This information is essential to properly manage the disease and to understand the potential impact on timber supply from second growth stands. The results from this project will provide forest managers with important information on disease spread from which effective management strategies can be developed. Using a novel molecular approach we will compare the level of genetic variation in I. tomentosus in natural stands and plantations within BC.
Updated September 08, 2005
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