Puritch, G.S.
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Effect of a commercial insecticidal soap on greenhouse whitefly (Hom. Aleyrod.) and its parasitoid, Encarsia formosa (Hym: Euloph.) 1982. Puritch, G.S.; Tonks, N.; Downey, P. Journal of the Entomological Society of British Columbia 79: 25-28.
Puritch, G.S.; Tonks, N.; Downey, P.
Year: 1982
Catalog ID: 2285
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
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Télédétection non visuelle d’arbres soumis à des contraintes : examen critique. 1981. Puritch, G.S. Environnement Canada, Service canadien des forêts, Administration centrale, Ottawa (Ontario). 43 p.
Year: 1981
Catalog ID: 20014
Issued by: National Capital Region
Availability: Not available through the CFS (click for more information).
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Nonvisual remote sensing of trees affected by stress--a review. 1981. Puritch, G.S. Environment Canada, Canadian Forestry Service, Pacific Forest Research Centre, Victoria, BC. Forestry Technical Report 30. 38 p.
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Identification, abundance and origin of moss, liverwort and algal contaminants in greenhouses of containerized forest nurseries. 1981. Ross, R.L.M.; Puritch, G.S. Canadian Journal of Forest Research 11(2): 356-360.
Year: 1981
Catalog ID: 2107
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
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Effect of fatty acid salts on the growth of Botrytis cinerea. 1981. Puritch, G.S.; Tan, W.C.; Hopkins, J.C. Canadian Journal of Botany 59(4): 491-494.
Puritch, G.S.; Tan, W.C.; Hopkins, J.C.
Year: 1981
Catalog ID: 2106
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Pesticidal soaps and adjuvants--what are they and how do they work? 1981. Puritch, G.S. Pages 53-67 in Proceedings of the 23rd Annual Lower Mainland Horticultural Improvement Assoc. Growers' Short Course, February 11-13, 1981, Abbotsford, B.C. [s.n.], [s.1.].
Year: 1981
Catalog ID: 2083
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
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A cut-branch technique for introducing solutions into conifers. 1981. Puritch, G.S.; McMullan, E.E. Canadian Journal of Forest Research 11(2): 218-222.
Year: 1981
Catalog ID: 2082
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Effects of insecticidal soap used in the gypsy moth control program in Kitsilano on insects and vegetation. 1981. Puritch, G.S.; Brooks, B.C. Environment Canada, Canadian Forestry Service, Pacific Forest Research Centre, Victoria, BC. Information Report BC-X-218. 22 p.
Year: 1981
Catalog ID: 2038
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
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Non-specific host-tree processes occurring in bark in response to damage and their role in defense. 1980. Puritch, G.S.; Jensen, G.D. Pages 94-102 in H.M. Heybroek, B.R. Stephan, and K. von Weissenberg, editors. Resistance to Diseases and Pests in Forest Trees: proceedings of the third International Workshop on the Genetics of Host-Parasite Interactions in Forstry, September 14-21, 1980, Wageningen, The Netherlands. Centre for Agricultural Publishing and Documentation, Wageningen.
Year: 1980
Catalog ID: 2252
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Chemical control of balsam woolly aphid (Homoptera: Adelgidae) on seedlings of Abies amabilis. 1980. Puritch, G.S.; Nigam, P.C.; Carrow, J.R. Journal of the Entomological Society of British Columbia 77: 15-18.
Puritch, G.S.; Nigam, P.C.; Carrow, J.R.
Year: 1980
Catalog ID: 2037
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Hormonal enhancement of cone production in Douglas-fir grafts and seedlings. 1979. Puritch, G.S.; McMullan, E.E.; Meagher, M.D.; Simmons, C.S. Canadian Journal of Forest Research 9(2): 193-200.
Puritch, G.S.; McMullan, E.E.; Meagher, M.D.; Simmons, C.S.
Year: 1979
Catalog ID: 2010
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Biocidal effects of fatty acid salts on various forest insect pests. 1978. Puritch, G.S. Pages 105-112 (Chapter 10) in J.J. Kabara The pharmacological effect of lipids. American Oil Chemists' Society, Champaign, Illinois, USA.
Year: 1978
Catalog ID: 2009
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Distribution and phenolic composition of sapwood and heartwood in Abies grandis and effects of the balsam woolly aphid. 1977. Puritch, G.S. Canadian Journal of Forest Research 7(1): 54-62.
Year: 1977
Catalog ID: 1792
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Field test of furadan and baygon against balsam woolly aphid in British Columbia. 1977. Carrow, J.R.; Puritch, G.S.; Nigam, P.C. Bi-monthly Research Notes 33(2): 10.
Carrow, J.R.; Puritch, G.S.; Nigam, P.C.
Year: 1977
Catalog ID: 1600
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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The toxic effects of fatty acids and their salts on the balsam woolly aphid, Adelges picea (Ratz.) 1975. Puritch, G.S. Canadian Journal of Forest Research 5(4): 515-522.
Year: 1975
Catalog ID: 1594
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Fungitoxic effects of fatty acid salts. 1975. Puritch, G.S.; Etheridge, D.E. Bi-monthly Research Notes 31(4): 26-27.
Puritch, G.S.; Etheridge, D.E.
Year: 1975
Catalog ID: 1593
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Effect of water stress on the rate of non-suberized impervious tissue formation following wounding in Abies grandis. 1975. Puritch, G.S.; Mullick, D.B. Journal of Experimental Botany 26(6): 903-910.
Year: 1975
Catalog ID: 1592
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Occurrence of juvabione-related compounds in grand fir and pacific silver fir infested by balsam woolly aphid. 1974. Puritch, G.S.; Nijholt, W.W. Canadian Journal of Botany 52(3): 585-587.
Year: 1974
Catalog ID: 1591
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
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Biocidal effect of fatty acids and soaps on the balsam woolly aphid. 1974. Puritch, G.S.; Talmon de l'Armee, M. Bi-monthly Research Notes 30(6): 35-36.
Puritch, G.S.; Talmon de l'Armee, M.
Year: 1974
Catalog ID: 1590
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Effects of pressure increase and release on temperature within a pressure chamber used to estimate plant water potential. 1973. Puritch, G.S.; Turner, J.A. Journal of Experimental Botany 24(2): 342-348.
Year: 1973
Catalog ID: 28704
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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The structure of freeze-etched bordered-pit membranes of Abies grandis. 1973. Puritch, G.S.; Johnson, R.P.C. Wood Science and Technology 7(4): 256-260.
Puritch, G.S.; Johnson, R.P.C.
Year: 1973
Catalog ID: 28703
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Effect of Water Stress on Photosynthesis, Respiration, and Transpiration of Four Abies Species. 1973. Puritch, G.S. Canadian Journal of Forest Research 3(2): 293-298.
Year: 1973
Catalog ID: 28702
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
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The effects of Adelges piceae (Ratz.) infestation on the physiology and biochemistry of Abies spp. Abstracts of papers presented at a Workshop held on February 15-16, 1972, Ottawa. 1972. Puritch, G.S. Department of Environment, Canadian Forestry Service, Program Operations Branch, Ottawa.
Year: 1972
Catalog ID: 28525
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Cone production in conifers. A review of the literature and evaluation of research needs. With an economic analysis by A.H. Vyse. 1972. Puritch, G.S. Environment Canada, Canadian Forestry Service, Pacific Forest Research Centre, Victoria, BC. Information Report BC-X-065. 94 p.
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Effect of balsam woolly aphid, Adelges piceae, infestation on the food reserves of grand fir, Abies grandis. 1971. Puritch, G.S.; Talmon-de l’Armee, M. Canadian Journal of Botany 49(7): 1219-1223.
Puritch, G.S.; Talmon-de l’Armee, M.
Year: 1971
Catalog ID: 28424
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
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Effect of balsam woolly aphid, Adelges piceae (Ratz.), infestation on the xylem of Abies grandis (Dougl) Lindl. 1971. Puritch, G.S.; Petty, J.A. Journal of Experimental Botany 22(4): 946-952.
Year: 1971
Catalog ID: 28408
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Effects of infestation by the balsam woolly aphid, Adelges piceae (Ratz.) on the ultrastructure of bordered-pit membranes of grand fir, Abies gradis (Dougl.) Lindl. 1971. Puritch, G.S.; Johnson, R.P.C. Journal of Experimental Botany 22(4): 953-958.
Puritch, G.S.; Johnson, R.P.C.
Year: 1971
Catalog ID: 28407
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Water permeability of the wood of grandfir (Abies grandis (Dougl.) Lindl.) is relation to infestation by the balsam woolly aphid, Adelges piceae (Ratz.) 1971. Puritch, G.S. Journal of Experimental Botany 22(4): 936-945.
Year: 1971
Catalog ID: 28406
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
