Wallis, G.W.
-
Tree hazards in recreational sites in British Columbia: management guidelines
Wallis, G.W.; Morrison, D.J.; Ross, D.W.
Year: 1992
Catalog ID: 3263
Issued by: Pacific Forestry Centre
Availability: PDF (download)
-
Control of Armillaria and Phellinus root diseases: 20-year results from the Skimikin stump removal experiment
Morrison, D.J.; Wallis, G.W.; Weir, L.C.
Year: 1988
Catalog ID: 2819
Issued by: Pacific Forestry Centre
Availability: PDF (download)
-
Tree hazards in recreation sites in British Columbia: management guidelines
Wallis, G.W.; Morrison, D.J.; Ross, D.W.
Year: 1987
Catalog ID: 2116
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
-
Detection of root disease in coastal Douglas-fir stands using large scale 70-mm aerial photography
Year: 1984
Catalog ID: 2434
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
-
Detection of Phellinus weirii using large scale 70 mm aerial photography
Year: 1984
Catalog ID: 2433
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
-
Estimating and total extent of Phellinus weirii root rot centers using above- and below-ground disease indicators
Year: 1981
Catalog ID: 2117
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
-
A ground survey method for estimating loss caused by Phellinus weirii root rot, II: Survey procedures and data analysis
Bloomberg, W.J.; Cumberbirch, P.M.; Wallis, G.W.
Year: 1980
Catalog ID: 2089
Issued by: Pacific Forestry Centre
Availability: PDF (download)
-
A ground survey method for estimating loss caused by Phellinus weirii root rot, I: Development of survey design
Bloomberg, W.J.; Cumberbirch, P.M.; Wallis, G.W.
Year: 1980
Catalog ID: 2088
Issued by: Pacific Forestry Centre
Availability: PDF (download)
-
Comparison of indicator variables for estimating growth reduction associated with Phellinus weirii root rot in Douglas-fir plantations
Year: 1979
Catalog ID: 1950
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
-
Practicing what we preach
-
Workshops on root rots in conifer stands. Planning and execution. Phase 1/Coastal stands
-
Phellinus (Poria) Weirii root rot. Detection and management proposals in Douglas-fir stands
-
Synopsis of establishment data for Douglas-fir growth and yield, and root rot installations on Southern Vancouver Island, BC
Year: 1976
Catalog ID: 3982
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
-
Growth characteristics of Phellinus (Poria) weirii in soil and on root and other surfaces
Year: 1976
Catalog ID: 1758
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
-
Disease following thinning in western hemlock stands
Year: 1976
Catalog ID: 1748
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
-
A data bank system for forest tree disease and growth plots in British Columbia
Bloomberg, W.J.; Hunt, D.; Wallis, G.W.
Year: 1976
Catalog ID: 1739
Issued by: Pacific Forestry Centre
Availability: PDF (download)
-
Root rot and stem decay following commercial thinning in western hemlock and guidelines for reducing losses
-
Mass inoculation of Douglas-fir seedling roots with Phellinus (Poria) weirii (Murr.) Gilbertson
Year: 1975
Catalog ID: 1551
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
-
Entomology-pathology working group
-
Losses in fire-killed timber
Wallis, G.W.; Godfrey, J.N.; Richmond, H.A.
Year: 1974
Catalog ID: 1549
Issued by: Pacific Forestry Centre
Availability: PDF (download)
-
Urea and nitrate fertilizers fail to inhibit root rot
-
Impact of root rot and other diseases in young Douglas-fir plantations
Johnson, A.L.S.; Wallis, G.W.; Foster, R.E.
Year: 1972
Catalog ID: 29207
Issued by: Pacific Forestry Centre
Availability: PDF (download)
-
Deterioration of fire-killed timber at Taylor River Vancouver Island, British Columbia
Wallis, G.W.; Richmond, H.A.; Godfrey, J.N.; Craig, H.M.
Year: 1971
Catalog ID: 26484
Issued by: Pacific Forestry Centre
Availability: PDF (download)
-
Decay associated with logging scars on immature western hemlock in coastal British Columbia
Wallis, G.W.; Reynolds, G.; Craig, H.M.
Year: 1971
Catalog ID: 26395
Issued by: Pacific Forestry Centre
Availability: PDF (download)
-
Fomes annosus root and butt rot: a threat in managed stands in coastal British Columbia
-
Common tree diseases of British Columbia
-
Seasonal variation in spore deposition of Fomes annosus in coastal forests of British Columbia
-
The initiation and spread of Poria weirii root rot of Douglas-fir
Year: 1965
Catalog ID: 27757
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
-
Inoculation of Douglas-fir roots with Poria weirii
Year: 1962
Catalog ID: 23892
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
-
Infection of Scots pine roots by Fomes annosus
Year: 1961
Catalog ID: 20919
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
-
Poria weirii root rot of Douglas-fir (unpublished report)
Year: 1957
Catalog ID: 27670
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
-
The control of yellow laminated root rot of Douglas-fir
-
The effect of trenching on the spread of yellow laminated root rot of Douglas-fir
-
Poria weirii root rot of Douglas-fir (Unpublished report)
Year: 1955
Catalog ID: 27660
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
-
Poria weirii root rot. II. Some factors relating to the control of the disease on Douglas-fir (Unpublished report)
Year: 1954
Catalog ID: 27646
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
-
Poria weirii root rot. I. Comparative studies on Douglas-fir and western red cedar (Unpublished report)
Year: 1954
Catalog ID: 27644
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
-
Commercial thinning in Douglas-fir in relation to control of Poria weirii root rot
-
Studies in forest pathology. XII. Decay of western hemlock in the Upper Columbia Region, British Columbia
Foster, R.E.; Craig, H.M.; Wallis, G.W.
Year: 1954
Catalog ID: 20736
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
-
Yellow laminated root rot of Douglas-fir
Buckland, D.C.; Molnar, A.C.; Wallis, G.W.
Year: 1954
Catalog ID: 20733
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
-
Root rot of Douglas-fir