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ISPI database searched for other literature with author = "Blackshaw, R...",
73 possible publications found.
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Robert E. Blackshaw
Postemergence weed control in pea (Pisum sativum) with imazamox
Weed Technology 12 (1), 64-68 (1998)

R.E. Blackshaw, and K.N. Harker
Erodium cicutarium density and duration of interference effects on yield of wheat, oilseed rape, pea and dry bean
Weed Research 38 (1), 55-62 (1998)

Robert E. Blackshaw, Louis J. Molnar, and C. Wayne Lindwall
Merits of a weed-sensing sprayer to control weeds in conservation fallow and cropping systems
Weed Science 46 (1), 120-126 (1998)

Robert E. Blackshaw, Louis J. Molnar, Duane F. Chevalier, and C. Wayne Lindwall
Factors affecting the operation of the weed-sensing detectspray system
Weed Science 46 (1), 127-131 (1998)

R.E. Blackshaw, and K.N. Harker
Scentless chamomile (Matricaria perforata) growth, development, and seed production
Weed Science 45 (5), 701-705 (1997)

Robert E. Blackshaw, and William M. Hamman
Control of downy brome (Bromus tectorum) in winter wheat (Triticum aestivum) with MON 37500
Weed Technology 12 (3), 421-425 (1998)

A. Rashid, J.T. O'Donovan, A.A. Khan, R.E. Blackshaw, K.N. Harker, and R.P. Pharis
A possible involvement of gibberellin in the mechanism of Avena fatua resistance to triallate and cross-resistance to difenzoquat
Weed Research 38 (6), 461-466 (1998)

Robert E. Blackshaw, and K. Neil Harker
Redstem filaree (Erodium cicutarium) development and productivity under noncompetitive conditions
Weed Technology 12 (4), 590-594 (1998)

Robert E. Blackshaw, Greg Semach, and Toby Entz
Postemergence control of foxtail barley (Hordeum jubatum) seedlings in spring wheat (Triticum aestivum) and flax (Linum usitatissimum)
Weed Technology 12 (4), 610-616 (1998)

Robert E. Blackshaw, Greg Semach, Xiangju Li, John T. O'Donovan, and K. Neil Harker
An integrated weed management approach to managing foxtail barley (Hordeum jubatum) in conservation tillage
Weed Technology 13 (2), 347-353 (1999)

Robert E. Blackshaw, Louis J. Molnar, H.-Henning Muendel, Gilles Saindon, and Xiangju Li
Integration of cropping practices and herbicides improves weed management in dry bean (Phaseolus vulgaris)
Weed Technology 14 (2), 327-336 (2000)

Robert E. Blackshaw, Greg P. Semach, and John T. O'Donovan
Utilization of wheat seed rate to manage redstem filaree (Erodium cicutarium) in a zero-tillage cropping system
Weed Technology 14 (2), 389-396 (2000)

Robert E. Blackshaw, James R. Moyer, Ray C. Doram, and A. Lyle Boswell
Yellow sweetclover, green manure, and its residues effectively suppress weeds during fallow
Weed Science 49 (3), 406-413 (2001)

K. Neil Harker, Robert E. Blackshaw, and George W. Clayton
Timing weed removal in field pea (Pisum sativum)
Weed Technology 15 (2), 277-283 (2001)

Robert E. Blackshaw, Deirdre Lemerle, Rodney Mailer, and Ken R. Young
Influence of wild radish on yield and quality of canola
Weed Science 50 (3), 344-349 (2002)

Robert E. Blackshaw, Randall N. Brandt, and Toby Entz
Soil temperature and soil water effects on henbit emergence
Weed Science 50 (4), 494-497 (2002)

Robert E. Blackshaw, Gregory Semach, and H. Henry Janzen
Fertilizer application method affects nitrogen uptake in weeds and wheat
Weed Science 50 (5), 634-641 (2002)

Robert E. Blackshaw, and K. Neil Harker
Selective weed control with glyphosate in glyphosate-resistant spring wheat (Triticum aestivum)
Weed Technology 16 (4), 885-892 (2002)

John T. O'Donovan, K. Neil Harker, Robert E. Blackshaw, and Robert N. Stougaard
Effects of variable tralkoxydim rates on wild oat (Avena fatua) seed production, wheat (Triticum aestivum) yield, and economic return
Weed Technology 17 (1), 149-156 (2003)

J.T. O'Donovan, J.C. Newman, R.E. Blackshaw, K.N. Harker, D.A. Derksen, and A.G. Thomas
Growth, competitiveness, and seed germination of triallate/difenzoquat-susceptible and -resistant wild oat populations
Canadian Journal of Plant Science 79 (2), 303-312 (1999)

R.E. Blackshaw, H.H. Muendel, and G. Saindon
Canopy architecture, row spacing and plant density effects on yield of dry bean (Phaseolus vulgaris) in the absence and presence of hairy nightshade (Solanum sarrachoides)
Canadian Journal of Plant Science 79 (4), 663-669 (1999)

R.E. Blackshaw, G. Semach, X. Li, J.T. O'Donovan, and K.N. Harker
Tillage, fertiliser and glyphosate timing effects on foxtail barley (Hordeum jubatum) management in wheat
Canadian Journal of Plant Science 80 (3), 655-660 (2000)

J.T. O'Donovan, R.E. Blackshaw, K.N. Harker, D.W. McAndrew, and G.W. Clayton
Canada thistle (Cirsium arvense) management in canola (Brassica rapa) and barley (Hordem vulgare) rotations under zero tillage
Canadian Journal of Plant Science 81 (1), 183-190 (2001)

R.E. Blackshaw, F.J. Larney, C.W. Lindwall, P.R. Watson, and D.A. Derksen
Tillage intensity and crop rotation affect weed community dynamics in a winter wheat cropping system
Canadian Journal of Plant Science 81 (4), 805-813 (2001)

R.A. Butts, K.D. Floate, M. David, R.E. Blackshaw, and P.A. Burnett
Influence of intercropping canola or pea with barley on assemblages of ground beetles (Coleoptera: Carabidae)
Environmental Entomology 32 (3), 535-541 (2003)

R.P. Blackshaw, and S. D'Arcy-Burt
Spatial distribution of bibionid larvae in agricultural grassland
Entomologia Experimentalis et Applicata 84 (1), 17-25 (1997)

Robert E. Blackshaw, Louis J. Molnar, and H. Henry Janzen
Nitrogen fertilizer timing and application method affect weed growth and competition with spring wheat
Weed Science 52 (4), 614-622 (2004)

Robert E. Blackshaw
Soil temperature and soil water effects on pygmyflower (Androsace septentrionalis) emergence
Weed Science 51 (4), 592-595 (2003)

Anne M. Smith, and Robert E. Blackshaw
Weed-crop discrimination using remote sensing: a detached leaf experiment
Weed Technology 17 (4), 811-820 (2003)

K. Neil Harker, and Robert E. Blackshaw
Leaf extension rate may help determine when low wild oat herbicide rates will be effective
Weed Technology 17 (4), 829-835 (2003)

Doug A. Derksen, Randy L. Anderson, Robert E. Blackshaw, and Bruce Maxwell
Weed dynamics and management strategies for cropping systems in the northern Great Plains
Agronomy Journal 94 (2), 174-185 (2002)

K. Neil Harker, George W. Clayton, Robert E. Blackshaw, John T. O'Donovan, Newton Z. Lupwayi, Eric N. Johnson, Yantai Gan, Robert P. Zentner, Guy P. Lafond, and R. Byron Irvine
Glyphosate-resistant spring wheat production system effects on weed communities
Weed Science 53 (4), 451-464 (2005)

Robert E. Blackshaw, James R. Moyer, K. Neil Harker, and George W. Clayton
Integration of agronomic practices and herbicides for sustainable weed management in a zero-till barley field pea rotation
Weed Technology 19 (1), 190-196 (2005)

Robert E. Blackshaw, Hugh J. Beckie, Louis J. Molnar, Toby Entz, and James R. Moyer
Combining agronomic practices and herbicides improves weed management in wheat-canola rotations within zero-tillage production systems
Weed Science 53 (4), 528-535 (2005)

J.T. O'Donovan, R.E. Blackshaw, K.N. Harker, G.W. Clayton, and D.C. Maurice
Field evaluation of regression equations to estimate crop yield losses due to weeds
Canadian Journal of Plant Science 85 (4), 955-962 (2005)

R.E. Blackshaw
Nitrogen fertilizer, manure, and compost effects on weed growth and competition with spring wheat
Agronomy Journal 97 (6), 1612-1621 (2005)

K. Neil Harker, George W. Clayton, Robert E. Blackshaw, John T. O'Donovan, Eric N. Johnson, Yantai Gan, Frederick A. Holm, Ken L. Sapsford, R. Byron Irvine, and Rene C. Van Acker
Glyphosate-resistant wheat persistence in western Canadian cropping systems
Weed Science 53 (6), 846-859 (2005)

Bharat M. Upadhyay, Elwin G. Smith, G.W. Clayton, K.N. Harker, and R.E. Blackshaw
Economics of integrated weed management in herbicide-resistant canola
Weed Science 54 (1), 138-147 (2006)

Robert E. Blackshaw, John T. O'Donovan, K. Neil Harker, George W. Clayton, and Robert N. Stougaard
Reduced herbicide doses in field crops: A review
Weed Biology and Management 6 (1), 10-17 (2006)

Robert E. Blackshaw, K. Neil Harker, George W. Clayton, and John T. O'Donovan
Broadleaf herbicide effects on clethodim and quizalofop-P efficacy on volunteer wheat (Triticum aestivum)
Weed Technology 20 (1), 221-226 (2006)

John T. O'Donovan, Robert E. Blackshaw, K. Neil Harker, and George W. Clayton
Wheat seeding rate influences herbicide performance in wild oat (Avena fatua L.)
Agronomy Journal 98 (3), 815-822 (2006)

Anne Légère, Marie-Josée Simard, Eric Johnson, F. Craig Stevenson, Hugh Beckie, and Robert E. Blackshaw
Control of volunteer canola with herbicides: effects of plant growth stage and cold acclimation
Weed Technology 20 (2), 485-493 (2006)

R.E. Blackshaw, and T. Entz
Day and night temperature effects on vegetative growth of Erodium cicutarium
Weed Research 35 (6), 471-476 (1995)

K. Neil Harker, Robert E. Blackshaw, and George W. Clayton
Wild oat (Avena fatua) vs. redstem filaree (Erodium cicutarium) interference in dry pea
Weed Technology 21 (1), 235-240 (2007)

H.A. Cárcamo, and R.E. Blackshaw
Insect pest incidence and injury to herbicide-tolerant canola in western Canada
Agronomy Journal 99 (3), 842-846 (2007)

K.D. Floate, H.A. Cárcamo, R.E. Blackshaw, B. Postman, and S. Bourassa
Response of ground beetle (Coleoptera: Carabidae) field populations to four years of lepidoptera-specific Bt corn production
Environmental Entomology 36 (5), 1269-1274 (2007)

J. Mithila, C.J. Swanton, R.E. Blackshaw, R.J. Cathcart, and J. Christopher Hall
Physiological basis for reduced glyphosate efficacy on weeds grown under low soil nitrogen
Weed Science 56 (1), 12-17 (2008)

J.R. Moyer, R.E. Blackshaw, and H.C. Huang
Effect of sweetclover cultivars and management practices on following weed infestations and wheat yield
Canadian Journal of Plant Science 87 (4), 973-983 (2007)

Robert E. Blackshaw, and Randall N. Brandt
Nitrogen fertilizer rate effects on weed competitiveness is species dependent
Weed Science 56 (5), 743-747 (2008)

H.A. Cárcamo, J.K. Otani, L.M. Dosdall, R.E. Blackshaw, G.W. Clayton, K.N. Harker, J.T. O'Donovan, and T. Entz
Effects of seeding date and canola species on seedling damage by flea beetles in three ecoregions
Journal of Applied Entomology 132 (8), 623-631 (2008)

J. Otani, H. Cárcamo, L. Dosdall, R. Blackshaw, G. Clayton, N. Harker, K. Turkington, and J. O'Donovan
Effects of seeding date, canola species and pesticides on Lygus bugs in Alberta, Canada
Journal of Insect Science 8 (49), 20-21 (2008)

J.S. Ellis, R. Blackshaw, W. Parker, H. Hicks, and M.E. Knight
Genetic identification of morphologically cryptic agricultural pests
Agricultural and Forest Entomology 11 (1), 115-121 (2009)

Robert E. Blackshaw, and Randall N. Brandt
Phosphorus fertilizer effects on the competition between wheat and several weed species
Weed Biology and Management 9 (1), 46-53 (2009)

Muhammad Azim Khan, Robert E. Blackshaw, and Khan B. Marwat
Biology of milk thistle (Silybum marianum) and the management options for growers in north-western Pakistan
Weed Biology and Management 9 (2), 99-105 (2009)

Robert E. Blackshaw, and Louis J. Molnar
Phosphorus fertilizer application method affects weed growth and competition with wheat
Weed Science 57 (3), 311-318 (2009)

Brian L. Beres, K. Neil Harker, George W. Clayton, Eric Bremer, Robert E. Blackshaw, and Robert J. Graf
Weed-competitive ability of spring and winter cereals in the Northern Great Plains
Weed Technology 24 (2), 108-116 (2010)

S. Bourassa, H.A. Cárcamo, J.R. Spence, R.E. Blackshaw, and K. Floate
Effects of crop rotation and genetically modified herbicide-tolerant corn on ground beetle diversity, community structure, and activity density
The Canadian Entomologist 142 (2), 143-159 (2010)

L.M. Dosdall, K.N. Harker, J.T. O'Donovan, R.E. Blackshaw, H.R. Kutcher, Y. Gan, and E.N. Johnson
Crop sequence effects on root maggot (Diptera: Anthomyiidae: Delia spp.) infestations in canola
Journal of Economic Entomology 105 (4), 1261-1267 (2012)

Hugh J. Beckie, Robert E. Blackshaw, Ryan Low, Linda M. Hall, Connie A. Sauder, Sara Martin, Randall N. Brandt, and Scott W. Shirriff
Glyphosate- and acetolactate synthase inhibitor-resistant kochia (Kochia scoparia) in Western Canada
Weed Science 61 (2), 310-318 (2013)

K. Neil Harker, John T. O'Donovan, T. Kelly Turkington, Robert E. Blackshaw, Eric N. Johnson, Stu Brandt, H. Randy Kutcher, and George W. Clayton
Weed interference impacts and yield recovery after four years of variable crop inputs in no-till barley and canola
Weed Technology 27 (2), 281-290 (2013)

Ayano Sasaki-Crawley, Rosane Curtis, Michael Birkett, Apostolos Papadopoulos, Rod Blackshaw, and John Pickett
The use of Pluronic F-127 to study the development of the potato cyst nematode, Globodera pallida
Nematology 14 (7), 869-873 (2012)

Linda M. Hall, Hugh J. Beckie, Ryan Low, Scott W. Shirriff, Robert E. Blackshaw, Nicole Kimmel, and Christoph Neeser
Survey of glyphosate-resistant kochia (Kochia scoparia L. Schrad.) in Alberta
Canadian Journal of Plant Science 94 (1), 127-130 (2014)

Hugh J. Beckie, Peter H. Sikkema, Nader Soltani, Robert E. Blackshaw, and Eric N. Johnson
Environmental impact of glyphosate-resistant weeds in Canada
Weed Science 62 (2), 385-392 (2014)

K.N. Harker, J.T. O'Donovan, T.K. Turkington, R.E. Blackshaw, N.Z. Lupwayi, E.G. Smith, E.N. Johnson, Y. Gan, H.R. Kutcher, L.M. Dosdall, and G. Peng
Canola rotation frequency impacts canola yield and associated pest species
Canadian Journal of Plant Science 95 (1), 9-20 (2015)

Thomas A. Forge, Francis J. Larney, Lawrence M. Kawchuk, Drusilla C. Pearson, Carol Koch, and Robert E. Blackshaw
Crop rotation effects on Pratylenchus neglectus populations in the root zone of irrigated potatoes in southern Alberta
Canadian Journal of Plant Pathology 37 (3), 363-368 (2015)

K. Neil Harker, John T. O'Donovan, T. Kelly Turkington, Robert E. Blackshaw, Newton Z. Lupwayi, Elwin G. Smith, Eric N. Johnson, Denis Pageau, Steven J. Shirtliffe, Robert H. Gulden, John Rowsell, Linda M. Hall, and Christian J. Willenborg
Diverse rotations and optimal cultural practices control wild oat (Avena fatua)
Weed Science 64 (1), 170-180 (2016)

Hugh J. Beckie, Robert E. Blackshaw, Linda M. Hall, and Eric N. Johnson
Pollen- and seed-mediated gene flow in kochia (Kochia scoparia)
Weed Science 64 (4), 624-633 (2016)

H.J. Beckie, R.E. Blackshaw, K.N. Harker, and B.D. Tidemann
Weed seed shatter in spring wheat in Alberta
Canadian Journal of Plant Science 98 (1), 107-114 (2018)

Harold Steppuhn, Ken G. Wall, Alan D. Iwaasa, Robert E. Blackshaw, Rob Dunn, and Dianne Westerlund
Selected forage crops control foxtail barley and downy brome in saline soils
Canadian Journal of Plant Science 98 (2), 408-424 (2018)

H.J. Beckie, R.E. Blackshaw, J.Y. Leeson, P.W. Stahlman, T.A. Gaines, and E.N. Johnson
Seedbank persistence, germination and early growth of glyphosate-resistant Kochia scoparia
Weed Research 58 (3), 177-187 (2018)

Elwin G. Smith, K. Neil Harker, John T. O'Donovan, T. Kelly Turkington, Robert E. Blackshaw, Newton Z. Lupwayi, Eric N. Johnson, Denis Pageau, Steven J. Shirtliffe, Robert H. Gulden, Linda M. Hall, and Christian J. Willenborg
The profitability of diverse crop rotations and other cultural methods that reduce wild oat (Avena fatua)
Canadian Journal of Plant Science 98 (5), 1094-1101 (2018)

Alysha T. Torbiak, Robert E. Blackshaw, Randall N. Brandt, Linda M. Hall, Bill Hamman, and Charles M. Geddes
 Herbicide mixtures control glyphosate-resistant kochia (Bassia scoparia) in chemical fallow, but their longevity warrants careful stewardship
Canadian Journal of Plant Science 101 (2), 327-331 (2021)

Alysha T. Torbiak, Robert E. Blackshaw, Randall N. Brandt, Bill Hamman, and Charles M. Geddes
Herbicide strategies for managing glyphosate-resistant and -susceptible kochia (Bassia scoparia) in spring wheat
Canadian Journal of Plant Science 101 (4), 607-620 (2021)

     

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