Canadian Forest Service Publications
Quantitative assessment of the bacterial rhizosphere flora of Pinus contorta var. latifolia. 1975. Dangerfield, J.A.; Westlake, D.W.S.; Cook, F.D. Canadian Journal of Microbiology 21(12): 2034-2038.
Year: 1975
Issued by: Pacific Forestry Centre
Catalog ID: 1569
Language: English
Availability: Not available through the CFS (click for more information).
Available from the Journal's Web site. †
DOI: 10.1139/m75-292
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Abstract
The bacterial flora associated with root systems of young and mature lodgepole pine was investigated by sampling forest-grown trees. Counts were performed and expressed on a surface-area basis to give a more realistic comparison of organism density or activity within the control soil, rhizosphere soil, and rhizoplane. On this basis, densities increased by an order of 104- to 106-fold from control soil to rhizoplane, with the degree of stimulation being inversely related to root radius.