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Publications by H.D. Lawrence

19 records.

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The efficacy of single and double applications of a new insect growth regulator, Tebufenozide (RH5992), on Jack pine budworm in Ontario. O-X-444
Meating, J.H.; Retnakaran, A.; Lawrence, H.D.; Robinson, A.G.; Howse, G.M.
Year: 1996    Catalog ID: 9123
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Efficacité du dipel 8AF en formule diluée et non diluée dans la lutte contre la spongieuse (Lepidoptera: Lymantriidae) dans le sud de l’Ontario
van Frankenhuyzen, K.; Howard, C.A.; Churcher, J.J.; Howse, G.M.; Lawrence, H.D.
Year: 1989    Catalog ID: 22212
Available from: Great Lakes Forestry Centre
CFS Availability: Print (free)
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Deposition and efficacy of Dipel 8AF applied diluted and undiluted against the gypsy moth (Lepidoptera: Lymantriidae) in Southeastern Ontario. FPM-X-84.
van Frankenhuyzen, K.; Howard, C.A.; Churcher, J.J.; Howse, G.M.; Lawrence, H.D.
Year: 1989    Catalog ID: 8808
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Results of forest insect and disease surveys in the Algonquin region of Ontario, 1983: forest districts, Parry Sound, Bracebridge, Algonquin Park, Pembroke, Minden and Bancroft
Brodersen, H.; Lawrence, H.D.
Year: 1984    Catalog ID: 9358
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Results of forest insect and disease surveys in the Central region of Ontario, 1983. Miscellaneous Report 6.
Evans, H.J.; Barnes, C.A.; Lawrence, H.D.; Weir, H.J.
Year: 1984    Catalog ID: 9374
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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The 1982 spruce budworm situation in Ontario, Part A: damage and forecasts; Part B: aerial spraying operations. O-X-349.
Meating, J.H.; Lawrence, H.D.; Howse, G.M.; Carrow, J.R.
Year: 1983    Catalog ID: 9024
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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The 1982 gypsy moth situation in Ontario: General surveys, spray trials and forecasts for 1983. O-X-352.
Meating, J.H.; Lawrence, H.D.; Cunningham, J.C.; Howse, G.M.
Year: 1983    Catalog ID: 9027
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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The 1981 spruce budworm situation in Ontario. Part A: Damage and forecasts Part B: Aerial spraying operations. O-X-343.
Meating, J.H.; Lawrence, H.D.; Howse, G.M.; Carrow, J.R.
Year: 1982    Catalog ID: 9018
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Results of forest insect and disease surveys in the North Central region of Ontario,1980.
Lawrence, H.D.; Biggs, W.D.
Year: 1981    Catalog ID: 32270
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Results of forest insect and disease surveys in the North Central Region of Ontario, 1979.
Lawrence, H.D.; Biggs, W.D.
Year: 1980    Catalog ID: 34408
Available from: Great Lakes Forestry Centre
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Results of forest insect and disease surveys in the North Central region of Ontario, 1978.
Lawrence, H.D.; Biggs, W.D.
Year: 1979    Catalog ID: 32262
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Forest insect and disease surveys in the North Central region of Ontario, 1977. Foster, H. R.; Lawrence, H. D.
Foster, H.R.; Lawrence, H.D.
Year: 1978    Catalog ID: 32258
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Forest insect and disease surveys in the North Central region of Ontario, 1976.
Foster, H.R.; Lawrence, H.D.
Year: 1977    Catalog ID: 32249
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Forest insect and disease surveys in the Algonquin region of Ontario,1975.
Weir, H.J.; Lawrence, H.D.
Year: 1976    Catalog ID: 32239
Available from: Great Lakes Forestry Centre
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Forest insect and disease surveys in the Algonquin region of Ontario, 1974. O-X-224.
Weir, H.J.; Lawrence, H.D.
Year: 1975    Catalog ID: 8901
Available from: Great Lakes Forestry Centre
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Forest insect and disease surveys in the Eastern survey region, 1973. O-X-196.
MacLeod, L.S.; Lawrence, H.D.
Year: 1974    Catalog ID: 8874
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Forest insect and disease surveys in the Eastern survey region, 1972. (Forest districts: Pembroke, Parry Sound, North Bay, and Swastika). O-X-176.
MacLeod, L.S.; Lawrence, H.D.
Year: 1973    Catalog ID: 8859
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Forest insect and disease surveys in the Eastern survey region, 1971. (Forest District: Pembroke, Parry Sound, North Bay, and Swastika). O-X-159.
MacLeod, L.S.; Lawrence, H.D.
Year: 1972    Catalog ID: 8846
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Forest insect and disease surveys in the Eastern survey Region, 1970. O-X-143.
MacLeod, L.S.; Lawrence, H.D.
Year: 1971    Catalog ID: 30000
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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This may not be a complete list of the author's publications. This list provides the author's publications since he or she joined, or worked in cooperation with, the CFS. When available, another link is provided for periods of work elsewhere.