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Publications by P. De Groot

124 records.

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Seasonal occurrence and spatial distribution of resinosis, a symptom of Sirex noctilio(Hymenoptera: Siricidae) injury, on boles of Pinus sylvestris(Pinaceae).
Ryan, K.; De Groot, P.; Smith, S.M.; Turgeon, J.J.
Year: 2013    Catalog ID: 34414
Available from: Great Lakes Forestry Centre
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Available from the Journal's Web site.
DOI: 10.4039/tce.2012.96
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Retracing the routes of introduction of invasive species: the case of the Sirex noctilio woodwasp.
Boissin, E.; Hurley, B.; Wingfield, M. J.; Vasaitis, R.; Stenlid, J.; Davis, C.N.; De Groot, P.; Ahumada, R.; Carnegie, A.; Goldarazena, A.; Klasmer, P.; Wermelinger, B.; Slippers, B.
Year: 2012    Catalog ID: 34166
Available from: Great Lakes Forestry Centre
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Available from the Journal's Web site.
DOI: 10.1111/mec.12065
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Evidence of interaction between Sirex noctilio and other species inhabiting the bole of Pinus.
Ryan, K.; De Groot, P.; Smith, S.M.
Year: 2012    Catalog ID: 33805
Available from: Great Lakes Forestry Centre
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Available from the Journal's Web site.
DOI: 10.1111/j.1461-9563.2011.00558.x
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Distinguishing isolates of Deladenus siricidicola, a biological control agent of Sirex noctilio, from North American and the Southern hemisphere using PCR-RFLP.
Leal, I.; Foord, B.M.; Davis, C.N.; De Groot, P.; Mlonyeni, X. O.; Slippers, B.
Year: 2012    Catalog ID: 33804
Available from: Great Lakes Forestry Centre
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DOI: 10.1139/X2012-058
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Natural enemies associated with Sirex noctilio (Hymenoptera: Siricidae) and S. nigricornis in Ontario, Canada.
Ryan, K.; De Groot, P.; Nott, R.; Drabble, S.; Ochoa, I.M.; Davis, C.N.; Smith, S.M.; Turgeon, J.J.
Year: 2012    Catalog ID: 33691
Available from: Great Lakes Forestry Centre
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DOI: 10.1603/EN11275
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Effect of two bark beetle-vectored fungi on the on-host search and oviposition behavior of the introduced woodwasp Sirex noctilio (Hymenoptera: Siricidae)on Pinus sylvestris trees and logs
Ryan, K.; De Groot, P.; Davis, C.N.; Smith, S.M.
Year: 2012    Catalog ID: 33001
Available from: Great Lakes Forestry Centre
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DOI: 10.1007/s10905-011-9313-5
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Extreme homozygosity in Southern Hemisphere populations of Deladenus siricidicola a biological control agent of Sirex noctilio
Mlonyeni, X. O.; Wingfield, B. D.; Wingfield, M. J.; Ahumada, R.; Klasmer, P.; Leal, I.; De Groot, P.; Slippers, B.
Year: 2011    Catalog ID: 32925
Available from: Great Lakes Forestry Centre
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Available from the Journal's Web site.
DOI: 10.1016/j.biocontrol.2011.09.009
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Interactions between fungal symbiont of sirex noctilio (Hymenoptera: Siricidae) and two bark beetle-vectored fungi.
Ryan, K.; Moncalvo, J.-M.; De Groot, P.; Smith, S.M.
Year: 2011    Catalog ID: 32680
Available from: Great Lakes Forestry Centre
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Putative origin of clonal lineages of Amylostereum areolatum, the fungal symbiont associated with Sirex noctilio, retrieved from Pinus sylvestris, in eastern Canada.
Bergeron, M.J.; Leal, I.; Foord, B.M.; Ross, G.; Davis, C.N.; Slippers, B.; De Groot, P.; Hamelin, R.C.
Year: 2011    Catalog ID: 32612
Available from: Laurentian Forestry Centre
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A harvest failure approach to assess the threat from an invasive species.
Yemshanov, D.; McKenney, D.W.; De Groot, P.; Haugen, D.; Pedlar, J.H.; Sidders, D.M.; Joss, B.N.
Year: 2011    Catalog ID: 31873
Available from: Great Lakes Forestry Centre
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Density and location of simulated signs of injury affect efficacy of ground surveys for Asian longhorned beetle
Turgeon, J.J.; Pedlar, J.H.; De Groot, P.; Smith, M.T.; Jones, C.G.; Orr, M.; Gasman, B.
Year: 2010    Catalog ID: 31423
Available from: Great Lakes Forestry Centre
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DOI: 10.4039/n09-049
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The impact of Sirex noctilio and Pinus resinosa and Pinus sylvestris stands in New York and Ontario
Dodds, K.J.; De Groot, P.; Orwig, D.
Year: 2010    Catalog ID: 31251
Available from: Great Lakes Forestry Centre
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Available from the Journal's Web site.
DOI: 10.1139/X09-181
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Asian longhorned beetle Anoplophora glabripennis(Motschulsky): lessons learned and opportunities to improve the process of eradication and management
Smith, M.T.; Turgeon, J.J.; De Groot, P.; Gasman, B.
Year: 2009    Catalog ID: 31191
Available from: Great Lakes Forestry Centre
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Characterization of Deladenus siricidicola (Tylenchida: Neotylenchidae) associated with Sirex noctilio (Hymenoptera: Siricidae) in Canada
Yu, Q.; De Groot, P.; Leal, I.; Davis, C.N.; Ye, W.; Foord, B.M.
Year: 2009    Catalog ID: 30936
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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A bioeconomic approach to assess the impact of an alien invasive insect on timber supply and harvesting: a case study with Sirex noctilio in eastern Canada.
Yemshanov, D.; McKenney, D.W.; De Groot, P.; Haugen, D.; Sidders, D.M.; Joss, B.N.
Year: 2009    Catalog ID: 29373
Available from: Great Lakes Forestry Centre
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Available from the Journal's Web site.
DOI: 10.1139/X08-1649
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Host selection by Agrilus planipennis (Coleoptera: Buprestidae): inferences from sticky-band trapping
Lyons, D.B.; De Groot, P.; Jones, G.C.; Scharbach, R.D.
Year: 2009    Catalog ID: 29362
Available from: Great Lakes Forestry Centre
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Relationship of winter starch levels in young ash trees and attack by the emerald ash borer (coleoptera: buprestidae)
Morgan, R.E.; De Groot, P.; Smith, S.M.
Year: 2008    Catalog ID: 31104
Available from: Great Lakes Forestry Centre
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Electrophysiological Response and Attraction of Emerald Ash Borer to Green Leaf Volatiles (GLVs) Emitted by Host Foliage
De Groot, P.; Grant, G.G.; Poland, T.M.; Scharbach, R.D.; Buchan, L.; Nott, R.; MacDonald, L.M.; Pitt, D.G.
Year: 2008    Catalog ID: 29001
Available from: Great Lakes Forestry Centre
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Available from the Journal's Web site.
DOI: 10.1007/s10886-008-9514-3
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First report of Amylostereum areolatum, the fungal symbiont of Sirex noctilio, on Pinus spp. in Canada
Bergeron, M.J.; Hamelin, R.C.; Leal, I.; Davis, C.N.; De Groot, P.
Year: 2008    Catalog ID: 28935
Available from: Laurentian Forestry Centre
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Response of Pityophthorus puberulus (Coleoptera: Curculionidae: Scolytinae) to pheromones and terpenes
Brauner, A.M.; De Groot, P.
Year: 2007    Catalog ID: 28658
Available from: Great Lakes Forestry Centre
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Survey guide for detection of emerald ash borer
Lyons, D.B.; Caister, C.; De Groot, P.; Hamilton, B.; Marchant, K.; Scarr, T.A.; Turgeon, J.J.
Year: 2007    Catalog ID: 26858
Available from: Great Lakes Forestry Centre
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Guide pour les enquêtes de dépistage de l’agrile du frêne
Lyons, D.B.; Caister, C.; De Groot, P.; Hamilton, B.; Marchant, K.; Scarr, T.A.; Turgeon, J.J.
Year: 2007    Catalog ID: 26859
Available from: Great Lakes Forestry Centre
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Detecting signs and symptoms of Asian longhorned beetle injury
Ric, J.; De Groot, P.; Gasman, B.; Orr, M.; Doyle, J.; Smith, M.T.; Dumouchel, L.; Scarr, T.A.; Turgeon, J.J.
Year: 2007    Catalog ID: 26860
Available from: Great Lakes Forestry Centre
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Détection des signes et des symptômes d’attaque par le longicone étoilé
Turgeon, J.J.; Ric, J.; De Groot, P.; Gasman, B.; Orr, M.; Doyle, J.; Smith, M.T.; Dumouchel, L.; Scarr, T.A.
Year: 2007    Catalog ID: 26861
Available from: Great Lakes Forestry Centre
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Detection of wood-boring species in semiochemical-baited traps
Sweeney, J.D.; De Groot, P.; Humble, L.M.; MacDonald, L.M.; Price, J.; Mokrzycki, T.; Gutowski, J.M.
Year: 2007    Catalog ID: 26837
Available from: Atlantic Forestry Centre
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Sequential patterns of colonization of coarse woody debris by lps pini (Say) (Coleptera: Scolytidae) following a major ice storm in Ontario
Ryall, K.L.; De Groot, P.; Smith, S.M.
Year: 2006    Catalog ID: 31136
Available from: Great Lakes Forestry Centre
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Field evaluation of host kairomones and pheromones for capture of Conophthorus coniperda (Coleoptera: Scolytidae)
Brauner, A.M.; De Groot, P.
Year: 2006    Catalog ID: 31137
Available from: Great Lakes Forestry Centre
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Discovery of Sirex noctilio (Hymenoptera: Siricidae) in Ontario, Canada
De Groot, P.; Nystrom, K.L.; Scarr, T.A.
Year: 2006    Catalog ID: 28526
Available from: Great Lakes Forestry Centre
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Patterns in the within-tree distribution of the emerald ash borer Agrilus planipennis (Fairmaire) in young, green-ash plantations of south-western Ontario, Canada
Timms, L.L.; Smith, S.M.; De Groot, P.
Year: 2006    Catalog ID: 28095
Available from: Great Lakes Forestry Centre
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A visual guide to detecting emerald ash borer damage.
De Groot, P.; Biggs, W.D.; Lyons, D.B.; Scarr, T.A.; Czerwinski, E.J.; Evans, H.J.; Ingram, W.A.; Marchant, K.
Year: 2006    Catalog ID: 26856
Available from: Great Lakes Forestry Centre
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Guide visuel pour la détection des dommages causés par l’agrile du frêne
De Groot, P.; Biggs, W.D.; Lyons, D.B.; Scarr, T.A.; Czerwinski, E.J.; Evans, H.J.; Ingram, W.A.; Marchant, K.
Year: 2006    Catalog ID: 26857
Available from: Great Lakes Forestry Centre
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Behavioral and electrophysiological responses of the emerald ash borer, Agrilus planipennis, to induced volatiles of Manchurian ash, Fraxinus mandshurica
Rodriguez-Saona, C.; Poland, T.M.; Miller, J.R.; Stelinski, L.L.; Grant, G.G.; De Groot, P.; Buchan, L.; MacDonald, L.M.
Year: 2006    Catalog ID: 26445
Available from: Great Lakes Forestry Centre
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Effect of semiochemical release rate, killing agent, and trap design on detection of Tetropium fuscum (F.) and other longhorn beetles (Coleoptera: Cerambycidae)
Sweeney, J.D.; Gutowski, J.M.; Price, J.; De Groot, P.
Year: 2006    Catalog ID: 26254
Available from: Atlantic Forestry Centre
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Insects of seed cones in eastern Canada: Field Guide.
Turgeon, J.J.; De Groot, P.; Sweeney, J.D.
Year: 2005    Catalog ID: 33708
Available from: Great Lakes Forestry Centre
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Silvicultural techniques and guidelines for the management of major insects and diseases of spruce, pine and aspen in eastern Canada
De Groot, P.; Hopkin, A.A.; Sajan, R.J.
Year: 2005    Catalog ID: 25656
Available from: Great Lakes Forestry Centre
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Use of pityol to reduce damage by the white pine cone beetle, Conophthorus coniperda (Col., Scolytidae) in seed orchards
Trudel, R.; Guertin, C.; De Groot, P.
Year: 2004    Catalog ID: 31166
Available from: Great Lakes Forestry Centre
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Response of the whitespotted sawyer beetle, Monochamus s. scutellatus, assocated woodboreres to pheromones of some lps and Dendroctonus bark beetles
De Groot, P.; Nott, R.
Year: 2004    Catalog ID: 31167
Available from: Great Lakes Forestry Centre
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Susceptibility of pine plantations to attack by the pine shoot beetle (Tomicus piniperda) in southern Ontario
Morgan, R.E.; De Groot, P.; Smith, S.M.
Year: 2004    Catalog ID: 26416
Available from: Great Lakes Forestry Centre
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Host volatile attractants and traps for detection of Tetropium fuscum (F.), Tetropium castaneum L., and other longhorned beetles (Coleoptera: Cerambycidae).
Sweeney, J.D.; De Groot, P.; MacDonald, L.M.; Smith, S.M.; Cocquempot, C.; Kenis, M.; Gutowski, J.M.
Year: 2004    Catalog ID: 24921
Available from: Atlantic Forestry Centre
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Semiochemical disruption of the pine shoot beetle, Tomicus piniperda (Coleoptera: Scolytidae)
Poland, T.M.; De Groot, P.; Burke, S.; Wakarchuk, D.; Haack, R.A.; Nott, R.
Year: 2004    Catalog ID: 24573
Available from: Great Lakes Forestry Centre
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Response of Monochamus (Col., Cerambycidae) and some Buprestidae to flight intercept traps
De Groot, P.; Nott, R.
Year: 2003    Catalog ID: 24570
Available from: Great Lakes Forestry Centre
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Development of an improved attractive lure for the pine shoot beetle, Tomicus piniperda (Coleoptera: Scolytidae)
Poland, T.M.; De Groot, P.; Burke, S.; Wakarchuk, D.; Haack, R.A.; Nott, R.; Scarr, T.A.
Year: 2003    Catalog ID: 24571
Available from: Great Lakes Forestry Centre
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Attraction of Hylastes opacus (Coleoptera: Scolytidae) to nonanal
De Groot, P.; Poland, T.M.
Year: 2003    Catalog ID: 21463
Available from: Great Lakes Forestry Centre
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Response of the brown spruce longhorn beetle, Tetropium fuscum (Fabr.) to host volatiles
Sweeney, J.D.; De Groot, P.; MacDonald, L.M.
Year: 2002    Catalog ID: 23662
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Influence of enantiomers of a-pinene on the response of the red pine cone beetle, Conophthorus resinosae to its pheromone pityol
De Groot, P.; Nott, R.; MacDonald, L.M.
Year: 2002    Catalog ID: 21464
Available from: Great Lakes Forestry Centre
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Oviposition behaviour and response of Monochamus scutellatus (Coleoptera: Cerambycidae) to conspecific eggs and larvae
Peddle, S.; De Groot, P.; Smith, S.M.
Year: 2002    Catalog ID: 21175
Available from: Great Lakes Forestry Centre
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Sex attractants and seasonal flight patterns for three Eucosma (Lepidoptera: Tortricidae) species sympatric in eastern pine seed orchards and plantations
Grant, G.G.; De Groot, P.; Langevin, D.; Katovich, S.A.; Slessor, K.N.; Miller, W.E.
Year: 2002    Catalog ID: 20512
Available from: Great Lakes Forestry Centre
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Evaluation of traps of six different designs to capture pine sawyer beetles (Coleoptera: Cerambycidae)
De Groot, P.; Nott, R.
Year: 2001    Catalog ID: 21174
Available from: Great Lakes Forestry Centre
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Kairomonal response by four Monochamus species (Coleoptera: Cerambycidae) to bark beetle pheromones
Allison, J.D.; Borden, J.H.; McIntosh, R.L.; De Groot, P.; Gries, R.
Year: 2001    Catalog ID: 18836
Available from: Great Lakes Forestry Centre
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Response of cone and twig beetles (Coleoptera: Scolytidae) and a predator (Coleoptera: Cleridae) to pityol, conophthorin, and verbenone
De Groot, P.; DeBarr, G.L.
Year: 2000    Catalog ID: 18831
Available from: Great Lakes Forestry Centre
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Sex pheromone of Conophthorus ponderosae (Coleoptera: Scolytidae) in a coastal stand of western white pine (Pinaceae)
Miller, D.R.; Pierce, H.D.; De Groot, P.; Jeans-Williams, N.; Bennett, R.; Borden, J.H.
Year: 2000    Catalog ID: 18788
Available from: Great Lakes Forestry Centre
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Responses of Conophthorus spp. (Coleoptera: Scolytidae) to behavioral chemicals in field trials: a transcontinental perspective
Rappaport, N.G.; Stein, J.D.; Del Rio Mora, A.A.; DeBarr, G.; De Groot, P.; Mori, S.
Year: 2000    Catalog ID: 18789
Available from: Great Lakes Forestry Centre
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Phenolics from deciduous leaves and coniferous needles as sources of novel control agents for Lepidopteran forest pests
Abou-Zaid, M.M.; Grant, G.G.; Helson, B.V.; Beninger, C.W.; De Groot, P.
Year: 2000    Catalog ID: 9614
Available from: Great Lakes Forestry Centre
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Green leaf volatiles inhibit response of red pine cone beetle Conophthorus resinosae (Coleoptera: Scolytidae) to a sex pheromone
De Groot, P.; MacDonald, L.M.
Year: 1999    Catalog ID: 21173
Available from: Great Lakes Forestry Centre
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Variation in damage by terminal shoot insects among jack pine families
De Groot, P.; Schnekenburger, F.
Year: 1999    Catalog ID: 21161
Available from: Great Lakes Forestry Centre
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Evaluation of neem EC formulations containing azadirachtin for forest insect pest management in Canada
Helson, B.V.; Lyons, D.B.; De Groot, P.
Year: 1999    Catalog ID: 9730
Available from: Great Lakes Forestry Centre
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Factors affecting capture of the white pine cone beetle, Conophthorus coniperda (Schwarz) (Col., Scolytidae) in pheromone traps
De Groot, P.; DeBarr, G.L.
Year: 1998    Catalog ID: 21187
Available from: Great Lakes Forestry Centre
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Insect pine interactions
De Groot, P.; Turgeon, J.J.
Year: 1998    Catalog ID: 21163
Available from: Great Lakes Forestry Centre
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Leader and systemic applications of neem EC formulations for control of white pine weevil (Coleoptera: Curculionidae) on jack pine and white pine
Helson, B.V.; De Groot, P.; McFarlane, J.W.; Zylstra, B.F.; Scarr, T.A.
Year: 1998    Catalog ID: 21120
Available from: Great Lakes Forestry Centre
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Seasonal and diurnal flight activity of male Eucosma gloriola (Lepidoptera: Tortricidae)
De Groot, P.; Grant, G.G.; Nott, R.; Langevin, D.
Year: 1998    Catalog ID: 21121
Available from: Great Lakes Forestry Centre
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Life history and habits of the white pine cone borer, Eucosma tocullionana (Lepidoptera: Tortricidae)
De Groot, P.
Year: 1998    Catalog ID: 9662
Available from: Great Lakes Forestry Centre
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Field bioassays of synthetic pheromones and host monoterpenes for Conophthorus coniperda (Coleoptera: Scolytidae)
De Groot, P.; DeBarr, G.L.; Birgersson, G.O.
Year: 1998    Catalog ID: 9663
Available from: Great Lakes Forestry Centre
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CONESYS: A data collection, database, and decision support system for making insect pest management decisions in seed orchards.
De Groot, P.; Schnekenburger, F.; Fleming, R.A.; Turgeon, J.J.
Year: 1998    Catalog ID: 9664
Available from: Great Lakes Forestry Centre
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Choosing a transformation in analyses of insect counts from contagious distributions with low means. Research Paper SRS-5
Pepper, W.D.; Zarnoch, S.J.; DeBarr, G.L.; De Groot, P.; Tangren, C.D.
Year: 1997    Catalog ID: 9822
Available from: Great Lakes Forestry Centre
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Control of the white pine weevil in young plantations using a spring application of insecticides. Frontline Technical Note 86.
De Groot, P.; Zylstra, B.F.
Year: 1996    Catalog ID: 9184
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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User's guide to ConeSys: A cone crop monitoring and insect pest management decision support system for seed orchards. NODA/NFP Technical Report TR-24.
De Groot, P.; Schnekenburger, F.; Fleming, R.A.; Turgeon, J.J.
Year: 1996    Catalog ID: 9532
Available from: Great Lakes Forestry Centre
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Cone traits of jack pine and black spruce in young seedling seed orchards
De Groot, P.; Schnekenburger, F.
Year: 1996    Catalog ID: 9661
Available from: Great Lakes Forestry Centre
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Pheromones in red pine cone beetle, Conophthorus resinosae Hopkins, and its synonym _C. banksianae McPherson (Coleoptera: scolytidae)
Pierce, H.D.; De Groot, P.; Borden, J.H.; Ramaswamy, S.B.; Oehlschlager, A.C.
Year: 1995    Catalog ID: 32568
Available from: Great Lakes Forestry Centre
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Evaluation of insecticides for control of the red pine cone beetle, Conophthorus resinosae Hopkins and the white pine cone beetle, C. Coniperda (Schwarz)
Zylstra, B.F.; De Groot, P.; Helson, B.V.
Year: 1995    Catalog ID: 32567
Available from: Great Lakes Forestry Centre
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Cone and seed insects
Miller, G.E.; Turgeon, J.J.; De Groot, P.
Year: 1995    Catalog ID: 21988
Available from: Great Lakes Forestry Centre
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Equipment for ground application of insecticides
De Groot, P.
Year: 1995    Catalog ID: 21645
Available from: Great Lakes Forestry Centre
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Yellowheaded spruce sawfly, Pikonema alaskensis
De Groot, P.
Year: 1995    Catalog ID: 21646
Available from: Great Lakes Forestry Centre
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Control of white pine weevil in young jack pine plantations with permethrin and methoxychlor
De Groot, P.; Helson, B.V.; Zylstra, B.F.; McFarlane, J.W.; Comba, D.R.
Year: 1995    Catalog ID: 21653
Available from: Great Lakes Forestry Centre
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Factors affecting capture of male red pine cone beetles, Conophthorus resinosae Hopkins (Coleoptera: Scolytidae), in pheromone traps
De Groot, P.; Zylstra, B.F.
Year: 1995    Catalog ID: 21655
Available from: Great Lakes Forestry Centre
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Design of experimental efficacy trials in Canadian forests
Cadogan, B.L.; De Groot, P.
Year: 1995    Catalog ID: 21590
Available from: Great Lakes Forestry Centre
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Pheromones in white pine cone beetle, Conophthorus coniperda (Schwarz) (Coleoptera: Scolydidae)
Birgersson, G.O.; DeBarr, G.L.; De Groot, P.; Dalusky, M.J.; Pierce, H.D.; Borden, J.H.; Meyer, H.; Francke, W.; Espelie, K.E.; Berisford, C.W.
Year: 1995    Catalog ID: 21116
Available from: Great Lakes Forestry Centre
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A cone crop monitoring and decision support system for jack pine and black spruce seed orchards. Frontline Technical Note 85.
De Groot, P.; Schnekenburger, F.; Fleming, R.A.; Turgeon, J.J.
Year: 1995    Catalog ID: 9183
Available from: Great Lakes Forestry Centre
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Analysis and modelling of cohort life tables of jack pine seed cones.
De Groot, P.; Fleming, R.A.
Year: 1994    Catalog ID: 32566
Available from: Great Lakes Forestry Centre
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Monitoring Cone Crops in Jack Pine seed orchards: why bother? FPMX-89.
De Groot, P.
Year: 1994    Catalog ID: 31148
Available from: Great Lakes Forestry Centre
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Insect fauna of coniferous seed cones: diversity, host plant interactions, and management
Turgeon, J.J.; Roques, A.; De Groot, P.
Year: 1994    Catalog ID: 22623
Available from: Great Lakes Forestry Centre
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Status of cone and seed insect pest management in Canadian seed orchards
De Groot, P.; Turgeon, J.J.; Miller, G.E.
Year: 1994    Catalog ID: 21654
Available from: Great Lakes Forestry Centre
CFS Availability: Print (free)
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Pheromone-based pest management in seed orchards in Canada
De Groot, P.
Year: 1994    Catalog ID: 21517
Available from: Great Lakes Forestry Centre
CFS Availability: Print (free)
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Biology, damage and management of seed orchard pests. FPM-X-89.
Turgeon, J.J.; De Groot, P.
Year: 1994    Catalog ID: 8813
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Entomology in Ontario - 1993
Prévost, Y.H.; De Groot, P.
Year: 1993    Catalog ID: 22264
Available from: Great Lakes Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Vergers à graines de conifères: identification des ravageurs et guide de protection
Turgeon, J.J.; De Groot, P.
Year: 1993    Catalog ID: 22150
Available from: Great Lakes Forestry Centre
CFS Availability: Print (free)
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Better than “optimal” sampling for estimating yields of receptive seed cones in jack pine seed orchards.
Fleming, R.A.; De Groot, P.
Year: 1993    Catalog ID: 21699
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (request by e-mail)
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Efficacy and timing of insecticide sprays for control of white pine weevil (Coleoptera: Curculionidae) in high-value pine plantations
De Groot, P.; Helson, B.V.
Year: 1993    Catalog ID: 21652
Available from: Great Lakes Forestry Centre
CFS Availability: Print (free)
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Principles and practice of cone crop monitoring in conifer seed orchards in Ontario
De Groot, P.; Turgeon, J.J.
Year: 1992    Catalog ID: 31134
Available from: Great Lakes Forestry Centre
CFS Availability: Print (free)
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Management of insect pests of cones in seed orchards in Eastern Canada
Turgeon, J.J.; De Groot, P.
Year: 1992    Catalog ID: 22152
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Host acceptance behaviour of the jack pine tip beetle, Conophthorus banksianae and the red pine cone beetle, C. resinosae
De Groot, P.; Borden, J.H.
Year: 1992    Catalog ID: 21648
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (request by e-mail)
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Genetic divergence among eastern North American cone beetles, Conophthorus (Coleoptera: Scolytidae)
De Groot, P.; Harvey, G.T.; Roden, P.M.
Year: 1992    Catalog ID: 21650
Available from: Great Lakes Forestry Centre
CFS Availability: Print (free)
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On estimating the number of seed cones in jack pine seed orchards in Ontario.
Fleming, R.A.; De Groot, P.; Burns, T.R.
Year: 1991    Catalog ID: 21700
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (request by e-mail)
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Cone beetles in the boreal forest: at the cutting edge (Coleoptera: Scolytidae: Conophthorus sp.)
De Groot, P.
Year: 1991    Catalog ID: 21644
Available from: Great Lakes Forestry Centre
CFS Availability: Print (free)
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Life history of the jack pine tip beetle, Conophthorus banksianae McPherson (Coleoptera: Scolytidae): Implications for species status
De Groot, P.; Borden, J.H.
Year: 1991    Catalog ID: 21647
Available from: Great Lakes Forestry Centre
CFS Availability: Print (free)
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Evidence for a female-produced pheromone in the white pine cone beetle, Conophthorus coniperda (Schwarz), and in the red pine cone beetle, C. resinosae Hopkins (Coleoptera: Scolytidae)
De Groot, P.; DeBarr, G.L.; Birgersson, G.O.; Pierce, H.D.; Borden, J.H.; Berisford, Y.C.; Berisford, C.W.
Year: 1991    Catalog ID: 21649
Available from: Great Lakes Forestry Centre
CFS Availability: Print (free)
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Devising sampling methods for inventory of receptive seed cones of jack pine.
Fleming, R.A.; De Groot, P.; Obarymskyj, A.; Burns, T.R.
Year: 1990    Catalog ID: 21698
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (request by e-mail)
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Cytotaxonomy of Conophthorus (Coleoptera: Scolytidae) in eastern North America
De Groot, P.; Ennis, T.J.
Year: 1990    Catalog ID: 21651
Available from: Great Lakes Forestry Centre
CFS Availability: Print (free)
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Délimitation des zones-tampons autour des plans d’eau lors des épandages de perméthrine
Payne, N.J.; Helson, B.V.; Sundaram, K.M.S.; Kingsbury, P.D.; Fleming, R.A.; De Groot, P.
Year: 1989    Catalog ID: 22201
Available from: Great Lakes Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Toxicity of insecticides to first-instar larvae of the spruce budmoth, Zeiraphera canadensis Mus. and Free. (Lepidoptera: tortricidae): laboratory and field studies
Helson, B.V.; De Groot, P.; Turgeon, J.J.; Kettela, E.G.
Year: 1989    Catalog ID: 7149
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Technique de coloration des inclusions du virus de la granulosis
De Groot, P.
Year: 1987    Catalog ID: 29244
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Adaptation d’une plate-forme élévatrice pur emploi en forêt
Retnakaran, A.; De Groot, P.
Year: 1987    Catalog ID: 29248
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Permethrin deposits and airborne concentrations downwind from a single swath application using a back pack mistblower.
Sundaram, K.M.S.; De Groot, P.; Sundaram, A.
Year: 1987    Catalog ID: 22515
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (request by e-mail)
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Scolytes des cônes et des rameaux (Coléoptères: Scolytidae) du genre Conophthorus : une bibliographie annotée
De Groot, P.
Year: 1987    Catalog ID: 22207
Available from: Great Lakes Forestry Centre
CFS Availability: Print (free)
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Adaption of a personnel lift for use in forestry
Obarymskyj, A.; De Groot, P.
Year: 1987    Catalog ID: 9166
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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The use of bioassays to assess aquatic arthropod mortality from permethrin drift deposits
Helson, B.V.; Kingsbury, P.D.; De Groot, P.
Year: 1986    Catalog ID: 21832
Available from: Great Lakes Forestry Centre
CFS Availability: Print (free)
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Mortality factors of jack pine, Pinus banksiana Lamb., Strobili
De Groot, P.
Year: 1986    Catalog ID: 21643
Available from: Great Lakes Forestry Centre
CFS Availability: Print (free)
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A review of aerial spray trials with Lecontvirus for control of redheaded pine sawfly, Neodiprion lecontei (Hymenoptera: Diprionidae) in Ontario
Cunningham, J.C.; De Groot, P.; Kaupp, W.J.
Year: 1986    Catalog ID: 21627
Available from: Great Lakes Forestry Centre
CFS Availability: Print (free)
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Diptera associated with cones and seeds of North American conifers: An annotated bibliography. FPM-X-69.
De Groot, P.
Year: 1986    Catalog ID: 8791
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Diptères des cônes et des graines des conifères d'Amerique du Nord : Une bibliographie annotée. FPM-X-69F.
De Groot, P.
Year: 1986    Catalog ID: 8792
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Estimating the buffer required around water during permethrin application.FPM-X-70.
Payne, N.J.; Helson, B.V.; Sundaram, K.M.S.; Kingsbury, P.D.; Fleming, R.A.; De Groot, P.
Year: 1986    Catalog ID: 8793
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Cone and twig beetles (Coleoptera: Scolytidae) of the genus Conophthorus: an annotated bibliography. FPM-X-76.
De Groot, P.
Year: 1986    Catalog ID: 8799
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Chemical control of insect pests of white pine
De Groot, P.
Year: 1985    Catalog ID: 21642
Available from: Great Lakes Forestry Centre
CFS Availability: Print (free)
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Neodiprion lecontei (Fitch), redheaded pine sawfly (Hymenoptera: Diprionidae)
Cunningham, J.C.; De Groot, P.
Year: 1984    Catalog ID: 21625
Available from: Great Lakes Forestry Centre
CFS Availability: Print (free)
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The efficacy of aerially applied Matacil to control spruce budworm, Choristoneura fumiferana (Clem.) in Bathurst, New Brunswick. FPM_X-64.
Cadogan, B.L.; Zylstra, B.F.; De Groot, P.; Nystrom, C.W.
Year: 1984    Catalog ID: 8785
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Lecontvirus: a viral insecticide for control of redheaded pine sawfly, Neodiprion lecontei
Cunningham, J.C.; De Groot, P.; McPhee, J.R.
Year: 1984    Catalog ID: 9162
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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The efficacy of experimental formulations of fenitrothion and Matacil applied aerially to control Choristoneura fumierana(Clem.) in New Brunswick 1982. FPMI File Report 50.
Cadogan, B.L.; Zylstra, B.F.; De Groot, P.; Nystrom, C.W.
Year: 1983    Catalog ID: 33907
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Essais de pulvérisation aériennes d’un baculovirus pour lutter contre le diprion de leconte en Ontario en 1979 et 1980
De Groot, P.; Cunningham, J.C.
Year: 1983    Catalog ID: 22197
Available from: Great Lakes Forestry Centre
CFS Availability: Print (free)
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Aerial spray trials with a baculovirus to control redheaded pine sawfly in Ontario in 1979 and 1980. FPM-X-63.
De Groot, P.; Cunningham, J.C.
Year: 1983    Catalog ID: 8784
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Répression du diprion de leconte au moyen d’un baculovirus en Ontario en 1978 et examen des secteurs traités les anneés précédentes. FPM-X-20F.
De Groot, P.; Cunningham, J.C.; McPhee, J.R.
Year: 1979    Catalog ID: 31671
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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Control of red-headed pine sawfly with a baculovirus in Ontario in 1978 and a survey of areas treated in previous years. FPM-X-20.
De Groot, P.; Cunningham, J.C.; McPhee, J.R.
Year: 1979    Catalog ID: 8744
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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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
CFS Availability: PDF (download)
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Aerial application of baculovirus on red-headed pine sawfly, Neodiprion lecontei (Fitch) in 1977. FPM-X-1.
Kaupp, W.J.; Cunningham, J.C.; De Groot, P.
Year: 1978    Catalog ID: 8725
Available from: Great Lakes Forestry Centre
CFS Availability: PDF (download)
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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
CFS Availability: PDF (download)
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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
CFS Availability: PDF (download)
Mark record

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.