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Publications by O.N. Morris

58 records.

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Microbial insecticides in Canada: their registration and use in agriculture, forestry and public and animal health
Morris, O.N.; Cunningham, J.C.; Finney-Crawley, J.R.; Jaques, R.P.; Kinoshita, G.
Year: 1986    Catalog ID: 22024
Available from: Great Lakes Forestry Centre
CFS Availability: Print (free)
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Comparative efficacies of single and double applications of commercial Bacillus thuringiensis against the spruce budworm, Choristoneura fumiferana in balsam fir stands
Morris, O.N.
Year: 1984    Catalog ID: 22022
Available from: Great Lakes Forestry Centre
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Field response of the spruce budworm, Choristoneura fumiferana (Lepidoptera: Tortricidae), to dosage and volume rates of commercial Bacillus thuringiensis
Morris, O.N.
Year: 1984    Catalog ID: 22023
Available from: Great Lakes Forestry Centre
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Field development of Bacillus thuringiensis for control of defoliation by the spruce budworm in Eastern Canada 1970-1980
Smirnoff, W.A.; Morris, O.N.
Year: 1984    Catalog ID: 14429
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Comparative efficacy of Thuricide 16B and Dipel 88 against the spruce budworm, Choristoneura fumiferana (Lepidoptera: Tortricidae) in balsam fir stands
Morris, O.N.
Year: 1983    Catalog ID: 22019
Available from: Great Lakes Forestry Centre
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Protection of Bacillus thuringiensis from inactivation by sunlight
Morris, O.N.
Year: 1983    Catalog ID: 22020
Available from: Great Lakes Forestry Centre
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Microorganisms isolated from forest insects of British Columbia
Morris, O.N.
Year: 1983    Catalog ID: 22021
Available from: Great Lakes Forestry Centre
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Changes in spruce budworm, Choristoneura fumiferana (Lepidoptera: Tortricidae) biomass in stands treated with commercial Bacillus thuringiensis var. kurstaki
Morris, O.N.; Moore, A.
Year: 1983    Catalog ID: 22025
Available from: Great Lakes Forestry Centre
CFS Availability: Print (free)
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Relative potencies of 50 isolates of Bacillus thuringiensis for larvae of the spruce budworm, Choristoneura fumiferana (Lepidoptera: Tortricidae)
Morris, O.N.; Moore, A.
Year: 1983    Catalog ID: 22026
Available from: Great Lakes Forestry Centre
CFS Availability: Print (free)
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Efficacité de doses graduées, et d’une application par rapport à deux applications de Bacillus Thuringiensis (Var. Kurstaki) contre la tourdeuse des bourgeons de l’épinette [Choristoneura Fumiferana (Clem.)]FPM_X-53F.
Morris, O.N.; Hildebrand, M.J.; Moore, A.
Year: 1982    Catalog ID: 22192
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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An improved technique for dosing larvae of the spruce budworm, Choristoneura fumiferana (Lepidoptera: Tortricidae), with measured quantities of Bacillus thuringiensis var. kurstaki
Moore, A.; Morris, O.N.
Year: 1982    Catalog ID: 22017
Available from: Great Lakes Forestry Centre
CFS Availability: Print (free)
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Bacteria as pesticides: Forest applications
Morris, O.N.
Year: 1982    Catalog ID: 22018
Available from: Great Lakes Forestry Centre
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Response of the spruce budworm, Choristoneura fumiferana (Clem.), to graded dosage rates and single versus double applications of Bacillus thuringiensis var. kurstaki. FPM-X-53.
Morris, O.N.; Hildebrand, M.J.; Moore, A.
Year: 1982    Catalog ID: 8773
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Report of the 1981 cooperative Bacillus thuringiensis (B.t.) spray trials. FPM-X-58.
Morris, O.N.
Year: 1982    Catalog ID: 8777
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Efficacités comparées de trois formulations commerciales de Bacillus Thuringiensis pour la lutte contre la tourdeuse des bourgeons de l’épinette, Choristoneura Fumiferana (Clem.)FPM-X-47.
Morris, O.N.; Hildebrand, M.J.; Moore, A.
Year: 1981    Catalog ID: 22191
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Cold fog applications of pesticides for control of Malacosoma disstria
Johnson, W.T.; Morris, O.N.
Year: 1981    Catalog ID: 21877
Available from: Great Lakes Forestry Centre
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Interaction of Bacillus thuringiensis var. kurstaki with selected emulsifiers, solvents and an organophosphate insecticide. FPMX-44.
Morris, O.N.
Year: 1981    Catalog ID: 8765
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Comparative effectiveness of three commercial formulations of Bacillus thuringiensis for control of the spruce budworm, Choristoneura fumiferana (Clem.). FPM-X-47.
Morris, O.N.; Hildebrand, M.J.; Moore, A.
Year: 1981    Catalog ID: 8768
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Report on the 1980 cooperative Bacillus thuringiensis (B.t.) spray trials. FPM-X-48.
Morris, O.N.
Year: 1981    Catalog ID: 8769
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Mortality in eastern spruce budworm larvae induced by topical application of various samples of ABG 6103 and chemical analysis of these samples for contamination by carbamate and /or organophosphate insecticides. 1980. FPMI File Report 4.
Morris, O.N.; Nigam, P.C.; Sundaram, K.M.S.
Year: 1980    Catalog ID: 33866
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Interactions de Bacillus Thuringiensis var. Kurstaki avec certains émulsifiants et solvants, et un insecticide organophosphoré. FPM-X44F.
Morris, O.N.
Year: 1980    Catalog ID: 22188
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Report of the 1979 CANUSA Cooperative Bacillus thuringiensis B.t. spray trials. FPM-X-40.
Morris, O.N.
Year: 1980    Catalog ID: 21564
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Preliminary field studies on the use of additives to improve deposition rate and efficacy of commercial formulations of Bacillus thuringiensis applied against the spruce budworm, Choristoneura fumiferana (Lepidoptera: Tortricidae). FPM-X-32.
Morris, O.N.; Hildebrand, M.J.; Armstrong, J.A.
Year: 1980    Catalog ID: 8753
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Aerial Field Trials with a New Formulation of Bacillus thuringiensis against the spruce budworm, Choristoneura fumiferana (Clem.) CC-X-144.
Morris, O.N.; Armstrong, J.A.; Hildebrand, M.J.
Year: 1977    Catalog ID: 29760
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Studies on the Protection of Insect Pathogens from Sunlight Inactivation II. Preliminary Field Trials. CC-X-113.
Morris, O.N.; Moore, A.
Year: 1975    Catalog ID: 29709
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Laboratory Tests and Field Trials of Low Volume Aerial Applications of Bacillus thuringiensis Orthene Combinations Against the Spruce Budworm Choristonerura fumiferana (Clem.)
Morris, O.N.; Armstrong, J.A.; Hildebrand, M.J.
Year: 1975    Catalog ID: 29710
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Studies on the Protection of Insect Pathogens from Sunlight Inactivation I. Preliminary Laboratory Tests. CC-X-112.
Morris, O.N.
Year: 1975    Catalog ID: 29654
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Field trials of Bacillus thuringiensis against the spruce budworm, 1960-1973
Morris, O.N.; Angus, T.A.; Smirnoff, W.A.
Year: 1975    Catalog ID: 15657
Available from: Laurentian Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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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
CFS Availability: PDF (request by e-mail)
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Aerial Application of Bacillus thuringiensis Orthene Combinations against the Spruce Budworm Choristoneura fumiferana(Clem.). CC-X-71.
Morris, O.N.; Armstrong, J.A.
Year: 1974    Catalog ID: 29635
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Pathogenicity of Some Entomogenous Fungi, Their Compatibility and Integrated Activity with Chemical Insecticides Against Pissodes strobi (Peck.) CC-X-69.
Timonin, M.I.; Morris, O.N.
Year: 1974    Catalog ID: 29648
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Aerial Application of Bacillus thuringiensis - Fenitrothion Combinations Against the Spruce Budworm, Choristoneura fumiferana (Clem.). CC-X-61.
Morris, O.N.; Armstrong, J.A.
Year: 1973    Catalog ID: 29682
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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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
CFS Availability: PDF (download)
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Laboratory and Field Trials of Mixtures of Various Insect Pathogens and Insecticides against some forest insect pests. CC-X-36.
Morris, O.N.
Year: 1972    Catalog ID: 29701
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Preliminary quantitative studies on the susceptibility of the western hemlock looper, Lambdina fiscellaria lugubrosa (Hulst) and the western oak looper to viruses from several insect species
Morris, O.N.
Year: 1971    Catalog ID: 28396
Available from: Pacific Forestry Centre
CFS Availability: PDF (download)
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The effect of sunlight, ultraviolet and gamma radiations, and temperature on the infectivity of a nuclear polyhedrosis virus
Morris, O.N.
Year: 1971    Catalog ID: 28397
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).

Available from the Journal's Web site.
DOI: 10.1016/0022-2011(71)90161-3
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Metabolic changes in diseased insects. III. Nucleic acid metabolism in Lepidoptera infected by densonucleosis and Tipula iridescent viruses
Morris, O.N.
Year: 1970    Catalog ID: 28231
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).

Available from the Journal's Web site.
DOI: 10.1016/0022-2011(70)90058-3
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Precocious development of adult characteristics in virus-infected Lepidoptera
Morris, O.N.
Year: 1970    Catalog ID: 28232
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).

Available from the Journal's Web site.
DOI: 10.1016/0022-2011(70)90057-1
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Susceptibility of British Columbia forest insects to mixtures of Bacillus thuringiensis and low doses of chemical pesticides
Morris, O.N.
Year: 1970    Catalog ID: 28233
Available from: Pacific Forestry Centre
CFS Availability: PDF (download)
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Insect disease survey in British Columbia 1964-1969
Morris, O.N.; Olsen, P.E.
Year: 1970    Catalog ID: 26480
Available from: Pacific Forestry Centre
CFS Availability: Print (free), PDF (download)
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Susceptibility of several forest insects of British Columbia to commercially produced Bacillus thuringiensis. I. Studies on the physiological properties of some commercial products
Morris, O.N.
Year: 1969    Catalog ID: 27975
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).

Available from the Journal's Web site.
DOI: 10.1016/0022-2011(69)90248-1
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Susceptibility of several forest insects of British Columbia to commercially produced Bacillus thuringiensis. II. Laboratory and field pathogenicity tests
Morris, O.N.
Year: 1969    Catalog ID: 27976
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).

Available from the Journal's Web site.
DOI: 10.1016/0022-2011(69)90221-3
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Metabolic changes in diseased insects. I. Autoradiographic studies in DNA synthesis on normal and in polyhedrosis-virus-infected Lepidoptera
Morris, O.N.
Year: 1968    Catalog ID: 27876
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).

Available from the Journal's Web site.
DOI: 10.1016/0022-2011(68)90260-7
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Metabolic changes in diseased insects. II. Radioautographic studies in DNA and RNA in nuclear-polyhedrosis and cytoplasmic-polyhedrosis virus infections
Morris, O.N.
Year: 1968    Catalog ID: 27877
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).

Available from the Journal's Web site.
DOI: 10.1016/0022-2011(68)90195-X
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A virus disease of Ectropis crepusularia Schiff. (Geometridae: Lepidoptera)
Morris, O.N.
Year: 1967    Catalog ID: 27807
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).

Available from the Journal's Web site.
DOI: 10.1139/m67-112
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Histochemical changes in Melolontha melolontha (Linnaeus) (Coleoptera) infected by a new virus
Morris, O.N.
Year: 1966    Catalog ID: 27549
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).

Available from the Journal's Web site.
DOI: 10.1139/m66-130
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Incorporating of radioactive uridine into the RNA of the Lepidopteran Barathra brassicae
Morris, O.N.
Year: 1966    Catalog ID: 27550
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).

Available from the Journal's Web site.
DOI: 10.1016/0022-2011(66)90141-8
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RNA changes in insect tissue infected with a nuclear-polyhedrosis virus
Morris, O.N.
Year: 1966    Catalog ID: 27551
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).

Available from the Journal's Web site.
DOI: 10.1016/0022-2011(66)90100-5
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Susceptibility of Lambdina fiscellaria somniaria (Hulst) (Geometridae) and Lambdina fiscellaria lugubrosa (Hulst) Geometridae) to viruses from several other insects
Morris, O.N.
Year: 1964    Catalog ID: 24021
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).

Available from the Journal's Web site.
DOI: 10.1139/m64-035
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Pathogens recovered from forest insects in British Columbia, 1947-1963
Morris, O.N.
Year: 1963    Catalog ID: 23903
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Pathogenicity of three commercial preparations of Bacillus thuringiensis Berliner fo some forest insects
Morris, O.N.
Year: 1963    Catalog ID: 23904
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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A nuclear polyhedrosis of Orgyia pseudotsugata: causative agent and histopathology
Morris, O.N.
Year: 1963    Catalog ID: 23905
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).

Available from the Journal's Web site.
DOI: 10.1139/m63-117
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The natural and artificial control of the Douglas-fir tussock moth, Orgyia pseudotsugata McDunnough, by a nuclear polyhedrosis virus
Morris, O.N.
Year: 1963    Catalog ID: 23906
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Comparative susceptibility of four forest insects to a commercial preparation of Bacillus thuringiensis (Berliner)
Morris, O.N.
Year: 1962    Catalog ID: 20995
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).

Available from the Journal's Web site.
DOI: 10.4039/Ent94686-7
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Progressive histochemical changes in virus-infected fat body of the western oak looper
Morris, O.N.
Year: 1962    Catalog ID: 20996
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Quantitative infectivity studies on the nuclear polyhedrosis of the western oak looper, Lambdiina fiscellaria somniaria (Hulst)
Morris, O.N.
Year: 1962    Catalog ID: 20997
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Studies on the causative agent and histopathology of a virus disease of the western oak looper
Morris, O.N.
Year: 1962    Catalog ID: 21001
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Susceptibility of the black-headed budworm to Thuricide
Morris, O.N.
Year: 1961    Catalog ID: 20913
Available from: Pacific 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.