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Publications by G.M. Howse

77 records.

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Aerial sketch-mapping of the 1998 ice storm in eastern Ontario
Scarr, T.A.; Hopkin, A.A.; Howse, G.M.
Year: 2003    Catalog ID: 21481
Available from: Great Lakes Forestry Centre
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Insect pest management.
Scarr, T.A.; Smith, S.M.; Turgeon, J.J.; Howse, G.M.
Year: 2001    Catalog ID: 33973
Available from: Great Lakes Forestry Centre
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Gypsy moth. Frontline Express 20.
Howse, G.M.
Year: 2001    Catalog ID: 20950
Available from: Great Lakes Forestry Centre
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Forest Tent Caterpillar. Frontline Express 9.
Howse, G.M.; Scarr, T.A.
Year: 2001    Catalog ID: 18295
Available from: Great Lakes Forestry Centre
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La livrée des forêts. Nouvelles Express 9.
Howse, G.M.; Scarr, T.A.
Year: 2001    Catalog ID: 18296
Available from: Great Lakes Forestry Centre
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A survey to evaluate crown condition of forest, roadside, and urban maple trees in Ontario, 1987-1995
Hopkin, A.A.; Howse, G.M.
Year: 1998    Catalog ID: 9740
Available from: Great Lakes Forestry Centre
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Forest health in Ontario, 1996: Results of Canadian Forest Service surveys
Hopkin, A.A.; Howse, G.M.
Year: 1997    Catalog ID: 9739
Available from: Great Lakes Forestry Centre
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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
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Impact of the jack pine budworm in Ontario. Frontline Technical Note 87.
Gross, H.L.; Hopkin, A.A.; Howse, G.M.
Year: 1996    Catalog ID: 9200
Available from: Great Lakes Forestry Centre
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Impact of the jack pine budworm in Ontario: a review
Hopkin, A.A.; Howse, G.M.
Year: 1995    Catalog ID: 21856
Available from: Great Lakes Forestry Centre
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Jack pine budworm situation in Ontario 1986-1994
Howse, G.M.; Meating, J.H.
Year: 1995    Catalog ID: 21860
Available from: Great Lakes Forestry Centre
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Oak leafshredder, Croesia semipurpurana
Grant, G.G.; Retnakaran, A.; Howse, G.M.
Year: 1995    Catalog ID: 21767
Available from: Great Lakes Forestry Centre
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Jack pine budworm biology and management. Proceedings of the Jack Pine Budworm Symposium, Winnipeg, Manitoba, January 24-26, 1995
Jack pine budworm biology and management. Proceedings of the Jack Pine Budworm Symposium, Winnipeg, Manitoba, January 24-26, 1995
Volney, W.J.A.; Nealis, V.G.; Howse, G.M.; Westwood, A.R.; McCullough, D.G.; Laishley, B.L.
Year: 1995    Catalog ID: 12135
Available from: Northern Forestry Centre
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Pest damage to Ontario seed orchards: results of FIDS seed orchard surveys 1990-1992. O-X-440.
Hopkin, A.A.; Howse, G.M.
Year: 1994    Catalog ID: 9119
Available from: Great Lakes Forestry Centre
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Efficacy of single and double applications of Foray 48B (Bacillus thuringiensis) against the gypsy moth (Lymantria dispar L.) in Ontario. O-X-423.
Meating, J.H.; Schyff, S.; Howse, G.M.
Year: 1993    Catalog ID: 9102
Available from: Great Lakes Forestry Centre
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Pest-caused depletions to the forest resource of Ontario, 1982-1987
Gross, H.L.; Roden, D.B.; Churcher, J.J.; Howse, G.M.; Gertridge, D.
Year: 1992    Catalog ID: 22233
Available from: Great Lakes Forestry Centre
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Distribution and activity of spray deposits in an oak canopy following aerial application of diluted and undiluted formulations of Bacillus thuringiensis Berliner against the gypsy moth, Lymantria dispar L. (Lepidoptera: Lymantriidae)
van Frankenhuyzen, K.; Wiesner, C.J.; Riley, C.M.; Nystrom, C.W.; Howard, C.A.; Howse, G.M.
Year: 1991    Catalog ID: 22644
Available from: Great Lakes Forestry Centre
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Development of nuclear polyhedrosis virus for control of gypsy moth (Lepidoptera: Lymantriidae) in Ontario. I. Reduction in dosage and emitted volume (1989 and 1990)
Cunningham, J.C.; Kaupp, W.J.; Howse, G.M.
Year: 1991    Catalog ID: 21631
Available from: Great Lakes Forestry Centre
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Suppression of spruce budworm populations by Trichogramma minutum Riley, 1982-1986
Smith, S.M.; Wallace, D.R.; Howse, G.M.; Meating, J.H.
Year: 1990    Catalog ID: 22415
Available from: Great Lakes Forestry Centre
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Encore une infestation de livrées des forêts.
Churcher, J.J.; Howse, G.M.
Year: 1989    Catalog ID: 34495
Available from: Great Lakes Forestry Centre
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Another outbreak of forest tent caterpillars.
Churcher, J.J.; Howse, G.M.
Year: 1989    Catalog ID: 34490
Available from: Great Lakes Forestry Centre
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Essais de pulvérisations aériennes de Disparvirus en Ontario, en 1986
Kaupp, W.J.; Cunningham, J.C.; Meating, J.H.; Howse, G.M.; Denys, A.
Year: 1989    Catalog ID: 22211
Available from: Great Lakes Forestry Centre
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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
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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
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Forest insect and disease conditions in Ontario.
Applejohn, M.J.; Howse, G.M.
Year: 1988    Catalog ID: 33248
Available from: Great Lakes Forestry Centre
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Aerial spray trials with Disparvirus in Ontario in 1986. FPM-X-82.
Kaupp, W.J.; Cunningham, J.C.; Meating, J.H.; Howse, G.M.; Denys, A.
Year: 1988    Catalog ID: 8806
Available from: Great Lakes Forestry Centre
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Forest insect and disease conditions in Ontario.
Applejohn, M.J.; Howse, G.M.
Year: 1987    Catalog ID: 33245
Available from: Great Lakes Forestry Centre
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Forest insect and disease conditions in Ontario.
Applejohn, M.J.; Howse, G.M.
Year: 1987    Catalog ID: 33244
Available from: Great Lakes Forestry Centre
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Forest insect and disease conditions in Ontario, 1986.
Applejohn, M.J.; Howse, G.M.
Year: 1986    Catalog ID: 33273
Available from: Great Lakes Forestry Centre
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Forest insect and disease conditions in Ontario.
Applejohn, M.J.; Howse, G.M.
Year: 1985    Catalog ID: 33272
Available from: Great Lakes Forestry Centre
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Forest insect and disease conditions in Ontario.
Applejohn, M.J.; Howse, G.M.
Year: 1985    Catalog ID: 33242
Available from: Great Lakes Forestry Centre
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Forest insect and disease conditions in Ontario, 1985.
Applejohn, M.J.; Howse, G.M.
Year: 1985    Catalog ID: 33241
Available from: Great Lakes Forestry Centre
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Forest insect and disease conditions in Ontario.
Applejohn, M.J.; Howse, G.M.
Year: 1984    Catalog ID: 33240
Available from: Great Lakes Forestry Centre
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Spruce budworm parasitoid surveys in Ontario
Meating, J.H.; Howse, G.M.; Syme, P.D.; Smith, K.L.
Year: 1984    Catalog ID: 21983
Available from: Great Lakes Forestry Centre
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Viruses: Application and assessment
Cunningham, J.C.; Howse, G.M.
Year: 1984    Catalog ID: 21628
Available from: Great Lakes Forestry Centre
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Forest Insect and Disease Conditions in Ontario, 1983. Miscellaneous Report 16.
Howse, G.M.; Applejohn, M.J.
Year: 1984    Catalog ID: 9384
Available from: Great Lakes Forestry Centre
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Forest insect and disease conditions in Ontario.
Applejohn, M.J.; Howse, G.M.
Year: 1983    Catalog ID: 33271
Available from: Great Lakes Forestry Centre
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Forest insect and disease conditions in Ontario.
Applejohn, M.J.; Howse, G.M.
Year: 1983    Catalog ID: 33238
Available from: Great Lakes Forestry Centre
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Forest insect and disease conditions in Ontario.
Applejohn, M.J.; Howse, G.M.
Year: 1983    Catalog ID: 33237
Available from: Great Lakes Forestry Centre
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Pests of larch: biology, damage and control
Howse, G.M.
Year: 1983    Catalog ID: 21858
Available from: Great Lakes Forestry Centre
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Insect pests of jack pine: biology, damage, and control
Howse, G.M.
Year: 1983    Catalog ID: 21859
Available from: Great Lakes Forestry Centre
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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
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Forest insect and disease conditions in Ontario, 1982. O-X-350.
Howse, G.M.; Syme, P.D.; Gross, H.L.; Myren, D.T.; Meating, J.H.; Applejohn, M.J.; Smith, K.L.
Year: 1983    Catalog ID: 9025
Available from: Great Lakes Forestry Centre
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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
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Spruce budworm spraying in Ontario 1981.
Carrow, J.R.; Nicholson, S. A.; Howse, G.M.
Year: 1982    Catalog ID: 34469
Available from: Great Lakes Forestry Centre
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The 1980 spruce budworm situation in Ontario. Part A: damage and forecasts; Part B: aerial spraying operations. O-x-336.
Howse, G.M.; Harnden, A.A.; Meating, J.H.; Carrow, J.R.
Year: 1982    Catalog ID: 9011
Available from: Great Lakes Forestry Centre
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Forest insect and disease conditions in Ontario, 1981. O-X-339.
Howse, G.M.; Gross, H.L.; Syme, P.D.; Myren, D.T.; Meating, J.H.; Applejohn, M.J.
Year: 1982    Catalog ID: 9014
Available from: Great Lakes Forestry Centre
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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
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Losses from and control of spruce budworm and other insects in the boreal mixedwood forest. 1981. Howse, G.M. COJFRC Symposium Proceedings O-P-9. p239-251.
Howse, G.M.
Year: 1981    Catalog ID: 33667
Available from: Great Lakes Forestry Centre
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Forest insect and disease conditions in Ontario.
Applejohn, M.J.; Howse, G.M.
Year: 1981    Catalog ID: 33233
Available from: Great Lakes Forestry Centre
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Forest insect and disease conditions in Ontario.
Applejohn, M.J.; Howse, G.M.
Year: 1981    Catalog ID: 33232
Available from: Great Lakes Forestry Centre
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Forest insect and disease conditions in Ontario.
Applejohn, M.J.; Howse, G.M.
Year: 1981    Catalog ID: 33231
Available from: Great Lakes Forestry Centre
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Forest insect and disease conditions in Ontario, 1980. O-x-327.
Howse, G.M.; Syme, P.D.; Gross, H.L.; Myren, D.T.; Applejohn, M.J.
Year: 1981    Catalog ID: 9002
Available from: Great Lakes Forestry Centre
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Spruce budworm spraying in Ontario 1979.
Carrow, J.R.; Nicholson, S. A.; Howse, G.M.
Year: 1980    Catalog ID: 34468
Available from: Great Lakes Forestry Centre
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The 1979 spruce budworm situation in Ontario. O-X-310.
Howse, G.M.; Harnden, A.A.; Carrow, J.R.
Year: 1980    Catalog ID: 8986
Available from: Great Lakes Forestry Centre
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Aerial application of spruce budworm baculovirus: replicated tests with an aqueous formulation and a trial using an oil formulation in 1978. FPM-X-21.
Cunningham, J.C.; Howse, G.M.; McPhee, J.R.; De Groot, P.; White, M.B.E.
Year: 1979    Catalog ID: 8745
Available from: Great Lakes Forestry Centre
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The 1978 spruce budworm situation in Ontario. O-X-300.
Howse, G.M.; Harnden, A.A.
Year: 1979    Catalog ID: 8976
Available from: Great Lakes Forestry Centre
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Aerial application of spruce budworm baculovirus: tests on second instar larvae in 1976. FPM-X-2.
Kaupp, W.J.; Cunningham, J.C.; Howse, G.M.; McPhee, J.R.; De Groot, P.
Year: 1978    Catalog ID: 8726
Available from: Great Lakes Forestry Centre
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Aerial application of spruce budworm baculovirus: tests of virus strains, dosages and formulations in 1977. FPM-X-3.
Cunningham, J.C.; Kaupp, W.J.; Howse, G.M.; McPhee, J.R.; De Groot, P.
Year: 1978    Catalog ID: 8727
Available from: Great Lakes Forestry Centre
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Experimental aerial application of insect growth regulators against the spruce budworm, Choristoneura fumiferana (Clemens) in Thessalon (1976) and Hearst (1977). FPM-X-19.
Retnakaran, A.; Kaupp, W.J.; Howse, G.M.
Year: 1978    Catalog ID: 8743
Available from: Great Lakes Forestry Centre
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The 1977 spruce budworm situation in Ontario. O-X-280.
Howse, G.M.; Harnden, A.A.
Year: 1978    Catalog ID: 8956
Available from: Great Lakes Forestry Centre
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The 1976 spruce budworm situation in Ontario. O-X-260.
Howse, G.M.; Harnden, A.A.; Sippell, W.L.
Year: 1977    Catalog ID: 8937
Available from: Great Lakes Forestry Centre
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The 1975 spruce budworm situation in Ontario. O-X-250.
Howse, G.M.; Harnden, A.A.; Sippell, W.L.
Year: 1976    Catalog ID: 8927
Available from: Great Lakes Forestry Centre
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The persistence of nuclear polyhedrosis virus and entomopoxvirus in populations of spruce budworm. I-P-X-10.
Cunningham, J.C.; Howse, G.M.; Kaupp, W.J.; McPhee, J.R.; Harnden, A.A.; White, M.B.E.
Year: 1975    Catalog ID: 29585
Available from: Great Lakes Forestry Centre
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Experimental aerial application of insect growth regulators against the spruce budworm, Choristoneura fumiferana (Clem.) in Manitoulin Island in 1974 and 1975. I-P-X-13.
Retnakaran, A.; Howse, G.M.; Kaupp, W.J.
Year: 1975    Catalog ID: 29588
Available from: Great Lakes Forestry Centre
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The 1974 spruce budworm situation in Ontario. O-X-228.
Howse, G.M.; Harnden, A.A.; Sippell, W.L.
Year: 1975    Catalog ID: 8905
Available from: Great Lakes Forestry Centre
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A 2 year study of virus chemical insecticide combination in the integrated control of the spurce budworm, Choristoneura fumiferana (Tortricidae: Lepidoptera).
Morris, O.N.; Armstrong, J.A.; Howse, G.M.; Cunningham, J.C.
Year: 1974    Catalog ID: 33297
Available from: Great Lakes Forestry Centre
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The 1973 spruce budworm situtation in Ontario. O-X-193.
Howse, G.M.; Harnden, A.A.; Sippell, W.L.
Year: 1974    Catalog ID: 8873
Available from: Great Lakes Forestry Centre
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The use of insecticides in the control of forest insect pests. 1973. Howse, G.M. Symposium Proceedings O-P-2. p5-9.
Howse, G.M.
Year: 1973    Catalog ID: 33642
Available from: Great Lakes Forestry Centre
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The 1972 spruce budworm situation in Ontario. O-X-173.
Howse, G.M.; Harnden, A.A.; Sippell, W.L.
Year: 1973    Catalog ID: 8858
Available from: Great Lakes Forestry Centre
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Aerial application of viruses against spruce budworm, 1971. O-X-189.
Howse, G.M.; Sanders, C.J.; Harnden, A.A.; Cunningham, J.C.; Bird, F.T.; McPhee, J.R.
Year: 1973    Catalog ID: 8869
Available from: Great Lakes Forestry Centre
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The possible use of viruses in the control of spruce budworm.
Bird, F.T.; Cunningham, J.C.; Howse, G.M.
Year: 1972    Catalog ID: 34339
Available from: Great Lakes Forestry Centre
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Aerial Application of Virus-Insecticide Combinations Against Spruce Budworm Choristoneura fumiferana (Clem) (Tortricidae: lepidoptera) at Rankin, Ontario, 1972. CC-X-37.
Morris, O.N.; Armstrong, J.A.; Hildebrand, M.J.; Howse, G.M.; Harnden, A.A.; Cunningham, J.C.; McPhee, J.R.
Year: 1972    Catalog ID: 29700
Available from: Great Lakes Forestry Centre
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The 1971 spruce budworm situation in Ontario. O-X-163.
Howse, G.M.; Harnden, A.A.; Sippell, W.L.
Year: 1972    Catalog ID: 8848
Available from: Great Lakes Forestry Centre
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The spruce budworm situation in Ontario, 1970.O-X-147.
Howse, G.M.; Harnden, A.A.; Sippell, W.L.
Year: 1971    Catalog ID: 29842
Available from: Great Lakes Forestry Centre
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Sampling populations of pine leaf adelgid Pineus pinifoliae (Fitch). I The gall and associated insects.
Howse, G.M.; Dimond, J.B.
Year: 1965    Catalog ID: 34516
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Arborvitae leaf miners in Maine.
Howse, G.M.
Year: 1964    Catalog ID: 34521
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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.