P. Sikkema

发表

Multiple modes of convergent adaptation in the spread of glyphosate-resistant Amaranthus tuberculatus

D. Weigel, C. Lanz, P. Tranel, 2018, Proceedings of the National Academy of Sciences of the United States of America.

Multiple modes of convergent adaptation in the spread of glyphosate-resistant Amaranthus tuberculatus

D. Weigel, C. Lanz, P. Tranel, 2018, Proceedings of the National Academy of Sciences.

A decade of herbicide-resistant crops in Canada

S. Warwick, H. Beckie, P. Sikkema, 2006 .

Control of volunteer adzuki bean (Vigna angularis) with pre- and postemergence herbicides in corn (Zea mays).

C. Swanton, P. Sikkema, Christopher Kramer, 2010 .

Glyphosate-Resistant Cropping Systems in Ontario: Multivariate and Nominal Trait-Based Weed Community Structure

C. Swanton, P. Sikkema, F. Tardif, 2010, Weed Science.

Halauxifen-methyl controls glyphosate-resistant horseweed (Conyza canadensis) but not giant ragweed (Ambrosia trifida) in winter wheat

P. Sikkema, N. Soltani, D. Robinson, 2020, Weed Technology.

Glyphosate-Resistant Canada Fleabane Control in Winter Wheat with Postemergence Herbicides

P. Sikkema, N. Soltani, C. Shropshire, 2020 .

Control of Glyphosate-Resistant Horseweed (Conyza canadensis) with Dicamba Applied Preplant and Postemergence in Dicamba-Resistant Soybean

P. Sikkema, F. Tardif, N. Soltani, 2013, Weed Technology.

Control of Canada fleabane (Conyza canadensis) with glyphosate DMA/2,4-D choline applications in corn (Zea mays)

P. Sikkema, R. Nurse, N. Soltani, 2014 .

Potential wheat yield loss due to weeds in the United States and Canada

P. Sikkema, M. Flessner, J. Dille, 2021, Weed Technology.

Potential Yield Loss in Dry Bean Crops Due to Weeds in the United States and Canada

P. Jha, P. Sikkema, J. Dille, 2018, Weed Technology.

Potential Corn Yield Losses from Weeds in North America

P. Sikkema, Vince M. Davis, J. Dille, 2016, Weed Technology.

Mechanisms of Glyphosate Resistance in Common Ragweed (Ambrosia artemisiifolia): Patterns of Absorption, Translocation, and Metabolism

P. Sikkema, F. Tardif, S. Nissen, 2022, Weed Science.

Benefit of tank mixing dicamba with glyphosate applied after emergence for weed control in dicamba- and glyphosate-resistant soybean

C. Swanton, P. Sikkema, J. Vink, 2017, Canadian Journal of Plant Science.

Response of soybean and corn to halauxifen-methyl

P. Sikkema, N. Soltani, D. Robinson, 2020, Weed Technology.

Influence of glyphosate/dicamba application rate and timing on the control of glyphosate-resistant waterhemp in glyphosate/dicamba-resistant soybean

P. Sikkema, N. Soltani, D. Robinson, 2019, Canadian Journal of Plant Science.

Influence of Glyphosate/Dicamba Application Rate and Timing on the Control of Glyphosate-Resistant Horseweed in Glyphosate/Dicamba-Resistant Soybean

P. Sikkema, N. Soltani, D. Robinson, 2018, Weed Technology.

Control of glyphosate-resistant Canada fleabane in Ontario with multiple effective modes-of-action in glyphosate/dicamba-resistant soybean

P. Sikkema, N. Soltani, D. Robinson, 2019, Canadian Journal of Plant Science.

Transplant Growth Control through Water Deficit Stress-A Review

W. C. Fonteno, A. Liptay, P. Sikkema, 1998 .

Tolerance of azuki bean to herbicides applied preplant for weed control in a strip‐tillage cropping system

P. Sikkema, L. Brown, N. Soltani, 2022, Legume Science.

Responses of Dry Bean to 2,4-D Ester Applied Preplant and Preemergence

P. Sikkema, N. Soltani, C. Shropshire, 2019, American Journal of Plant Sciences.

Sensitivity of Dry Bean to Herbicides Applied Preplant for Glyphosate-Resistant Horseweed Control in a Strip-Tillage Cropping System

P. Sikkema, N. Soltani, C. Shropshire, 2019, Weed Technology.

Agronomic and economic assessment of intensive pest management of dry bean (Phaseolus vulgaris)

P. Sikkema, Gerard M. Pynenburg, C. Gillard, 2011 .

Control of annual ryegrass with spring-applied herbicides prior to seeding corn

P. Sikkema, N. Soltani, C. Shropshire, 2020, Canadian Journal of Plant Science.

Suppression of Annual Ryegrass in Corn with Nicosulfuron

P. Sikkema, N. Soltani, D. Robinson, 2019, Weed Technology.

Responses of spring-seeded cover crop roots by herbicide residues and short-term influence in soil aggregate stability and N cycling

P. Sikkema, D. Robinson, I. O’halloran, 2018, Canadian Journal of Plant Science.

Suppression of Glyphosate-Resistant Canada Fleabane (Conyza canadensis) in Corn with Cover Crops Seeded after Wheat Harvest the Previous Year

P. Sikkema, N. Soltani, D. Robinson, 2018, Weed Technology.

Effect of soybean and winter wheat herbicides on oilseed radish establishment and growth

P. Sikkema, N. Soltani, D. Robinson, 2017, Canadian Journal of Plant Science.

Tolerance of Corn (Zea mays L.) to Early and Late Glyphosate Applications

P. Sikkema, Christy L. Sprague, R. Nurse, 2014 .

Effects of genetically modified, herbicide-tolerant crops and their management on soil food web properties and crop litter decomposition

J. Trevors, C. Swanton, P. Sikkema, 2009 .

The importance of light quality in crop–weed competition

C. Swanton, P. Sikkema, K. Mahoney, 2009 .

Weed management in adzuki bean: a review

P. Sikkema, K. Belfry, 2018, Canadian Journal of Plant Science.

Weed Control in Dicamba-Resistant Soybean with Glyphosate/Dicamba Applied at Various Doses and Timings

P. Sikkema, N. Soltani, C. Shropshire, 2020 .

Survival of seeds from perennial biomass species during commercial‐scale anaerobic digestion

P. Sikkema, L. V. Eerd, B. Gilroyed, 2016 .

Weed Control in Glufosinate-Resistant Corn (Zea mays)1

C. Swanton, P. Sikkema, F. Tardif, 2000, Weed Technology.

Control of Volunteer Glyphosate-Resistant Corn (Zea mays) in Glyphosate-Resistant Soybean (Glycine max)1

W. Deen, P. Sikkema, N. Soltani, 2006, Weed Technology.

Sweet corn hybrid responses to thifensulfuron-methyl

P. Sikkema, N. Soltani, D. Robinson, 2005 .

Strategies to improve the control of glyphosate-resistant horseweed (Erigeron canadensis) with glufosinate applied preplant to soybean

P. Sikkema, N. Soltani, D. Robinson, 2022, Weed Technology.

The Addition of Saflufenacil to Glyphosate plus Dicamba Improves Glyphosate-Resistant Canada Fleabane (Erigeron canadensis L.) Control in Soybean

P. Sikkema, N. Soltani, D. Robinson, 2022, Agronomy.

Glyphosate-resistant giant ragweed (Ambrosia trifida L.) control with preplant herbicides in soybean [Glycine max (L.) Merr.]

P. Sikkema, F. Tardif, J. Vink, 2012, Canadian Journal of Plant Science.

Glyphosate-Resistant Giant Ragweed (Ambrosia trifida) Control in Dicamba-Tolerant Soybean

P. Sikkema, F. Tardif, J. Vink, 2012, Weed Technology.

Occurrence and distribution of glyphosate-resistant giant ragweed (Ambrosia trifida L.) in southwestern Ontario

P. Sikkema, F. Tardif, J. Vink, 2012, Canadian Journal of Plant Science.

Additive and synergistic interactions of 4-hydroxyphenylpyruvate dioxygenase (HPPD) and photosystem II (PSII) inhibitors for the control of glyphosate-resistant horseweed (Conyza canadensis) in corn

P. Sikkema, N. Soltani, D. Robinson, 2022, Weed Science.

Influence of Adjuvants on the Control of Glyphosate-Resistant Canada Fleabane and Waterhemp in Corn with Tolpyralate

P. Sikkema, N. Soltani, D. Robinson, 2020, American Journal of Plant Sciences.

Control of Glyphosate-Resistant Canada Fleabane (Conyza canadensis) and Waterhemp (Amaranthus tuberculatus var. Rudis) in Glyphosate/Dicamba-Resistant Soybean (Glycine max)

P. Sikkema, D. Robinson, D. Hooker, 2018 .

Control of glyphosate-resistant Canada fleabane [Conyza canadensis (L.) Cronq.] with preplant herbicide tankmixes in soybean [Glycine max. (L). Merr.]

P. Sikkema, F. Tardif, N. Soltani, 2013, Canadian Journal of Plant Science.

Control of glyphosate-resistant horseweed and giant ragweed in soybean with halauxifen-methyl applied preplant

P. Sikkema, N. Soltani, D. Robinson, 2020, Weed Technology.

Preplant and Postemergence Control of Glyphosate-Resistant Giant Ragweed in Corn

P. Sikkema, K. Belfry, 2015 .

Linuron Biologically Effective Dose for Glyphosate-Resistant Giant Ragweed (Ambrosia trifida L.) Control in Soybean (Glycine max L.)

P. Sikkema, L. Brown, N. Soltani, 2014 .

Distribution of glyphosate and cloransulam-methyl resistant giant ragweed (Ambrosia trifida L.) populations in southern Ontario

P. Sikkema, F. Tardif, N. Soltani, 2013 .

Glyphosate-Resistant Giant Ragweed ( Ambrosia trifida L.) in Ontario: Dose Response and Control with Postemergence Herbicides

P. Sikkema, F. Tardif, J. Vink, 2012 .

Giant ragweed (Ambrosia trifida L.) control in corn

P. Sikkema, N. Soltani, C. Shropshire, 2011, Canadian Journal of Plant Science.

Interaction between 4-Hydroxyphenylpyruvate Dioxygenase–Inhibiting and Reactive Oxygen Species–Generating Herbicides for the Control of Annual Weed Species in Corn

P. Sikkema, N. Soltani, D. Robinson, 2022, Weed Science.

Length of residual activity of saflufenacil/dimethenamid-p in soybean (Glycine max)

P. Sikkema, Robert T. Miller, N. Soltani, 2015, Canadian Journal of Plant Science.

Identity-Preserved Soybean Tolerance to Protoporphyrinogen Oxidase-Inhibiting Herbicides

P. Sikkema, K. Belfry, C. Shropshire, 2016, Weed Technology.

Tolerance of identity preserved soybean cultivars to preemergence herbicides

P. Sikkema, L. Brown, N. Soltani, 2015, Canadian Journal of Plant Science.

Biologically effective rate of sulfentrazone applied pre-emergence in soybean

P. Sikkema, R. Nurse, N. Soltani, 2015, Canadian Journal of Plant Science.

Soybean (Glycine max) cultivar tolerance to saflufenacil

P. Sikkema, Robert T. Miller, N. Soltani, 2012, Canadian Journal of Plant Science.

Biologically Effective Dose of Flumioxazin and Pyroxasulfone for Control of Multiple Herbicide–Resistant Waterhemp (Amaranthus tuberculatus) in Soybean

P. Sikkema, N. Soltani, D. Robinson, 2022, Weed Science.

Tolerance of adzuki bean to pre-emergence herbicides

P. Sikkema, R. Nurse, N. Soltani, 2015, Canadian Journal of Plant Science.

Soybean (Glycine max) Tolerance to Timing Applications of Pyroxasulfone, Flumioxazin, and Pyroxasulfone + Flumioxazin

P. Sikkema, D. Robinson, C. Shropshire, 2014, Weed Technology.

Weed Management in Conventional- and No-Till Soybean Using Flumioxazin/Pyroxasulfone

P. Sikkema, C. Shropshire, K. Mahoney, 2014 .

Tolerance of Soybean (Glycine max L.) to Protoporphyrinogen Oxidase Inhibitors and Very Long Chain Fatty Acid Synthesis Inhibitors Applied Preemergence

P. Sikkema, F. Tardif, R. Nurse, 2014 .

Impact of delayed postemergence herbicide application on corn yield based on weed height, days after emergence, accumulated crop heat units, and corn growth stage

P. Sikkema, N. Soltani, C. Shropshire, 2022, Weed Technology.

Control of glyphosate-resistant horseweed (Conyza canadensis) with tiafenacil mixes in corn

P. Sikkema, N. Soltani, C. Shropshire, 2021, Weed Technology.

Is There a Benefit of Adding Atrazine to HPPD-Inhibiting Herbicides for Control of Multiple-Herbicide-Resistant, Including Group 5-Resistant, Waterhemp in Corn?

P. Sikkema, N. Soltani, D. Robinson, 2021 .

Early Postemergence Herbicide Tank-Mixtures for Control of Waterhemp Resistant to Four Herbicide Modes of Action in Corn

P. Sikkema, N. Soltani, D. Robinson, 2021, Agricultural Sciences.

Herbicide programs for control of waterhemp (Amaranthus tuberculatus) resistant to three distinct herbicide sites of action in corn

P. Sikkema, N. Soltani, D. Robinson, 2020, Weed Technology.

Tolpyralate + Atrazine Applied Preemergence Provides Residual GR Canada Fleabane [Conyza canadensis (L.) Cronq.] Control Similar to Current Industry Standards

P. Sikkema, N. Soltani, D. Robinson, 2020 .

Influence of Adjuvants on the Efficacy of Tolpyralate plus Atrazine for the Control of Annual Grass and Broadleaf Weeds in Corn with and without Roundup WeatherMAX®

P. Sikkema, N. Soltani, D. Robinson, 2020, American Journal of Plant Sciences.

Influence of application timing and herbicide rate on the efficacy of tolpyralate plus atrazine

P. Sikkema, N. Soltani, D. Robinson, 2019, Weed Technology.

Tolerance of Maize (Zea mays L.) and Soybean [Glycine max (L.) Merr.] to Late Applications of Postemergence Herbicides

P. Sikkema, R. Nurse, K. Mahoney, 2014 .

Weed control and yield are improved when glyphosate is preceded by a residual herbicide in glyphosate-tolerant maize (Zea mays)

C. Swanton, P. Sikkema, F. Tardif, 2006 .

Effective dose of atrazine required to complement tolpyralate for annual weed control in corn

P. Sikkema, N. Soltani, D. Robinson, 2022, Weed Technology.

Interaction between Tolpyralate and Atrazine for the Control of Annual Weed Species in Corn

P. Sikkema, N. Soltani, D. Robinson, 2022, Weed Science.

Biologically Effective Dose and Selectivity of SAN 1269H (BAS 662H) for Weed Control in Corn (Zea mays)

C. Swanton, P. Sikkema, F. Tardif, 1999, Weed Technology.

Biologically Effective Dose and Selectivity of RPA 201772 for Preemergence Weed Control in Corn (Zea mays)

C. Swanton, P. Sikkema, F. Tardif, 1998, Weed Technology.

Weed Control, Environmental Impact, and Net-Profit of Two-Pass Weed Management Strategies in Dicamba-Resistant Soybean (Glycine max) Using Conventional Tillage

C. Swanton, P. Sikkema, J. Vink, 2017 .

Response of Barnyardgrass (Echinochloa crus-galli) to Glyphosate Application Timing and Rate in Glyphosate-Resistant Corn (Zea mays)1

P. Sikkema, P. B. Cavers, S. Weaver, 2005, Weed Technology.

Response of Common Lambsquarters (Chenopodium album) to Glyphosate Application Timing and Rate in Glyphosate-Resistant Corn1

P. Sikkema, P. B. Cavers, S. Weaver, 2004, Weed Technology.

Responses of Four Types of Winter Wheat to Fenoxaprop-p-ethyl

P. Sikkema, K. Belfry, 2015 .

The addition of very low rates of protoporphyrinogen oxidase–inhibiting herbicides to glufosinate does not improve control of glyphosate-resistant horseweed (Erigeron canadensis)

P. Sikkema, N. Soltani, D. Robinson, 2022, Weed Technology.

The interaction of pyroxasulfone and flumioxazin applied preemergence for the control of multiple-herbicide-resistant waterhemp (Amaranthus tuberculatus) in soybean

P. Sikkema, N. Soltani, D. Robinson, 2022, Weed Technology.

Efficacy of tiafenacil applied preplant alone or mixed with metribuzin for glyphosate-resistant horseweed control in soybean

P. Sikkema, N. Soltani, D. Robinson, 2021, Weed Technology.

Control of glyphosate-resistant Canada fleabane [Conyza canadensis (L.) Cronq.] with isoxaflutole and metribuzin tank mix.

P. Sikkema, F. Tardif, N. Soltani, 2016, Canadian Journal of Plant Science.

Canada fleabane (Conyza canadensis) control with preplant applied residual herbicides followed by 2,4-D choline/glyphosate DMA applied postemergence in corn

P. Sikkema, R. Nurse, N. Soltani, 2014, Canadian Journal of Plant Science.

Halosulfuron Absorption, Translocation, and Metabolism in White and Adzuki Bean

P. Westra, P. Sikkema, Zhenyi Li, 2016, Weed Science.

Enhancement of tolpyralate efficacy with adjuvants

P. Sikkema, N. Soltani, D. Robinson, 2022, Weed Technology.

Time-of-day effect on weed control efficacy with tolpyralate plus atrazine

P. Sikkema, N. Soltani, D. Robinson, 2020, Weed Technology.

The Effect of Time of Day on the Activity of Postemergence Soybean Herbicides

P. Sikkema, R. Nurse, G. Stopps, 2013, Weed Technology.

Environment and Soil Conditions Influence Pre- and Postemergence Herbicide Efficacy in Soybean

P. Sikkema, R. Nurse, A. Hamill, 2010, Weed Technology.

Time of Day Impacts Postemergence Weed Control in Corn

P. Sikkema, R. Nurse, C. Stewart, 2009 .

Annual weed control may be improved when AMS is added to below-label glyphosate doses in glyphosate-tolerant maize (Zea mays L.)

P. Sikkema, J. J. Kells, R. Nurse, 2008 .

Weed control, environmental impact, and net revenue of two-pass weed management strategies in dicamba-resistant soybean

C. Swanton, P. Sikkema, J. Vink, 2017, Canadian Journal of Plant Science.

Response of glyphosate-resistant soybean to dicamba spray tank contamination during vegetative and reproductive growth stages.

P. Sikkema, R. Nurse, N. Soltani, 2016, Canadian Journal of Plant Science.

The Addition of Dicamba to POST Applications of Quizalofop-p-ethyl or Clethodim Antagonizes Volunteer Glyphosate-Resistant Corn Control in Dicamba-Resistant Soybean

C. Swanton, P. Sikkema, J. Vink, 2016, Weed Technology.

Off-target movement assessment of dicamba in North America

P. Sikkema, J. Norsworthy, G. S. Alves, 2020, Weed Technology.

Response of Dicamba-Resistant Soybean to Glyphosate/Dicamba Application Rate and Timing

P. Sikkema, L. Brown, N. Soltani, 2019, American Journal of Plant Sciences.

Control of glyphosate-resistant waterhemp (Amaranthus tuberculatus var rudis) with dicamba and dimethenamid-P in Ontario

P. Tranel, P. Sikkema, N. Soltani, 2017, Canadian Journal of Plant Science.

Glyphosate resistant soybean injury from 2,4-D spray tank contamination

P. Sikkema, R. Nurse, N. Soltani, 2016, Canadian Journal of Plant Science.

Soybean response to simulated dicamba/diflufenzopyr drift followed by postemergence herbicides

C. Swanton, P. Sikkema, L. Brown, 2009 .

Tolerance of Dry Beans to Pyraflufen-Ethyl/2,4-D Ester

P. Sikkema, N. Soltani, C. Shropshire, 2022, Journal of Agricultural Science.

When using glyphosate plus dicamba, 2,4-D, halauxifen or pyraflufen/2,4-D for glyphosate-resistant horseweed (Erigeron canadensis) control in soybean, which third mix partner is better, saflufenacil or metribuzin?

P. Sikkema, N. Soltani, D. Robinson, 2022, Weed Technology.

Biologically effective dose of pyraflufen-ethyl/2,4-D, applied preplant alone or mixed with metribuzin on glyphosate-resistant horseweed in soybean

P. Sikkema, N. Soltani, D. Robinson, 2021, Weed Technology.

Biologically effective dose of bromoxynil applied alone and mixed with metribuzin for the control of glyphosate-resistant horseweed in soybean

P. Sikkema, N. Soltani, D. Robinson, 2021, Weed Technology.

Activity of Isoxaflutole plus Metribuzin Tankmixes in Isoxaflutole-Resistant Soybean

P. Sikkema, N. Soltani, D. Robinson, 2019, American Journal of Plant Sciences.

Isoxaflutole and Metribuzin Interactions in Isoxaflutole-Resistant Soybean

P. Sikkema, N. Soltani, D. Robinson, 2019, Weed Science.

Annual weed management in isoxaflutole-resistant soybean using a two-pass weed control strategy

P. Sikkema, N. Soltani, D. Robinson, 2019, Weed Technology.

Efficacy of Saflufenacil for Control of Glyphosate-Resistant Horseweed (Conyza canadensis) as Affected by Height, Density, and Time of Day

P. Sikkema, Robert T. Miller, N. Soltani, 2017, Weed Science.

Glyphosate-Resistant Horseweed (Conyza canadensis) Dose Response to Saflufenacil, Saflufenacil plus Glyphosate, and Metribuzin plus Saflufenacil plus Glyphosate in Soybean

P. Sikkema, Robert T. Miller, N. Soltani, 2016, Weed Science.

Occurrence of glyphosate and cloransulam resistant Canada fleabane (Conyza canadensis L. Cronq.) in Ontario

P. Sikkema, F. Tardif, N. Soltani, 2013, Canadian Journal of Plant Science.

The first record of protoporphyrinogen oxidase and four-way herbicide resistance in eastern Canada

P. Tranel, Martin Laforest, Darci A. Giacomini, 2019, Canadian Journal of Plant Science.

Control of glyphosate-resistant waterhemp with preemergence herbicides in glyphosate- and dicamba-resistant soybean

P. Sikkema, N. Soltani, D. Robinson, 2019, Canadian Journal of Plant Science.

Control of Glyphosate-Resistant Common Waterhemp (Amaranthus tuberculatus var. rudis) in Soybean in Ontario

P. Tranel, P. Sikkema, N. Soltani, 2017, Weed Technology.

Control of common waterhemp (Amaranthus tuberculatus var. rudis) in corn and soybean with sequential herbicide applications.

P. Sikkema, N. Soltani, J. Vyn, 2009 .

Control of herbicide-resistant common waterhemp (Amaranthus tuberculatus var. rudis) with pre- and post-emergence herbicides in soybean

C. Swanton, P. Sikkema, S. Weaver, 2007 .

Control of glyphosate-resistant Canada fleabane in soybean with preplant herbicides

P. Sikkema, L. Brown, N. Soltani, 2016, Canadian Journal of Plant Science.

Control of glyphosate resistant Canada fleabane with saflufenacil plus tankmix partners in soybean

P. Sikkema, Robert T. Miller, N. Soltani, 2016, Canadian Journal of Plant Science.

Control of glyphosate-resistant Canada fleabane in corn with preplant herbicides

P. Sikkema, L. Brown, C. Shropshire, 2016, Canadian Journal of Plant Science.

agronomy The Addition of Saﬂufenacil to Glyphosate plus Dicamba Improves Glyphosate-Resistant Canada Fleabane ( Erigeron canadensis L.) Control in Soybean

P. Sikkema, N. Soltani, D. Robinson, 2022 .

Improving the Level and Consistency of Glyphosate-Resistant Canada Fleabane (Erigeron canadensis L.) Control With Bromoxynil-Based Tankmixes Applied Preplant to Soybean

P. Sikkema, N. Soltani, D. Robinson, 2021, Journal of Agricultural Science.

Control of Glyphosate-Resistant Marestail in Identity-Preserved or Glyphosate-Resistant and Glyphosate/Dicamba-Resistant Soybean with Preplant Herbicides

P. Sikkema, N. Soltani, C. Shropshire, 2020, American Journal of Plant Sciences.

Distribution of glyphosate and cloransulam-methyl resistant Canada fleabane [Conyza canadensis (L.) Cronq.] in Ontario

P. Sikkema, Robert T. Miller, N. Soltani, 2017, Canadian Journal of Plant Science.

Perspectives on Potential Soybean Yield Losses from Weeds in North America

P. Sikkema, Vince M. Davis, J. Dille, 2017, Weed Technology.

Multiple herbicide-resistant horseweed (Conyza canadensis) dose response to tolpyralate and tolpyralate plus atrazine and comparison to industry standard herbicides in corn

P. Sikkema, N. Soltani, D. Robinson, 2019, Weed Technology.

Control of glyphosate-resistant horseweed with Group 4 herbicides in soybean

P. Sikkema, N. Soltani, C. Shropshire, 2022, Weed Technology.

Response of four market classes of dry bean to acifluorfen, bentazon, and bentazon/acifluorfen applied postemergence

P. Sikkema, N. Soltani, C. Shropshire, 2022, Legume Science.

Co-application of thifensulfuron with glyphosate accentuates soybean injury

P. Sikkema, N. Soltani, C. Shropshire, 2021, Canadian Journal of Plant Science.

Interaction of 4-Hydroxyphenylpyruvate Dioxygenase (HPPD) and Atrazine Alternative Photosystem II (PS II) Inhibitors for Control of Multiple Herbicide–Resistant Waterhemp (Amaranthus tuberculatus) in Corn

P. Sikkema, N. Soltani, D. Robinson, 2021, Weed Science.

Annual ryegrass control prior to seeding corn with glyphosate plus group 2 herbicides

P. Sikkema, N. Soltani, C. Shropshire, 2020 .

Influence of glyphosate on corn hybrid tolerance to tolpyralate + atrazine

P. Sikkema, N. Soltani, D. Robinson, 2020, Weed Technology.

Control of Glyphosate-Resistant Giant Ragweed ( Ambrosia trifida L.) with Isoxaflutole and Metribuzin Tankmix

P. Sikkema, F. Tardif, N. Soltani, 2016 .

Winter wheat (Triticum aestivum L.) response to herbicides as affected by application timing and temperature

P. Sikkema, F. Tardif, J. Letarte, 2015, Canadian Journal of Plant Science.

Response of Processing Tomato to Simulated Bromoxynil Drift Followed by In-Crop Metribuzin Application

P. Sikkema, D. Robinson, K. McNaughton, 2012 .

Response of Processing Tomato to Simulated Glyphosate Drift Followed by In-Crop Metribuzin Application

P. Sikkema, D. Robinson, K. McNaughton, 2012 .

Efficacy of topramezone and mesotrione for the control of annual grasses.

C. Swanton, P. Sikkema, N. Soltani, 2012 .

Response of Corn to Simulated Glyphosate Drift Followed by In-Crop Herbicides

W. G. Johnson, C. Swanton, P. Sikkema, 2009 .

Two-Way Performance Interactions among ρ-Hydroxyphenylpyruvate Dioxygenase- and Acetolactate Synthase-Inhibiting Herbicides

C. Swanton, P. Sikkema, F. Tardif, 2008, Weed Science.

Glyphosate-Resistant Common Ragweed (Ambrosia artemisiifolia) Control with Postemergence Herbicides and Glyphosate Dose Response in Soybean in Ontario

P. Sikkema, D. Robinson, D. Hooker, 2015, Weed Technology.

Control of volunteer glyphosate-tolerant maize (Zea mays) in glyphosate-tolerant soybean (Glycine max).

P. Sikkema, N. Soltani, C. Shropshire, 2006 .

Efficacy of Trifluralin Compared to Ethalfluralin Applied Alone and Co-Applied with Halosulfuron for Weed Management in White Bean

P. Sikkema, N. Soltani, C. Shropshire, 2020, Agricultural Sciences.

Managing weeds with herbicides in white bean in Canada: a review

P. Sikkema, N. Soltani, D. Robinson, 2017, Canadian Journal of Plant Science.

Precipitation Influences Pre- and Post-Emergence Herbicide Efficacy in Corn

P. Sikkema, R. Nurse, N. Soltani, 2012 .

Response of four fall-seeded cover crops to residues of selected herbicides

P. Sikkema, L. V. Eerd, D. Robinson, 2015 .

Weed Control in Pea with Reduced Rates of Imazethapyr Applied Preemergence and Postemergence1

W. Deen, P. Sikkema, S. Vyas, 2005, Weed Technology.

Response of Corn to Preemergence and Postemergence Applications of Saflufenacil

P. Sikkema, N. Soltani, C. Shropshire, 2009, Weed Technology.

Winter wheat (Triticum aestivum) response to flumioxazin soil residues from preceding dry bean (Phaseolus vulgaris) desiccation

P. Sikkema, N. Soltani, C. Shropshire, 2016, Canadian Journal of Plant Science.

Pendimethalin Residues from Weed Management in Dry Bean Can Cause Injury in Autumn Seeded Winter Wheat

P. Sikkema, N. Soltani, C. Shropshire, 2015 .

Response of four market classes of dry bean to mesotrione soil residues

P. Sikkema, N. Soltani, D. Robinson, 2007 .

Response of Four Market Classes of Dry Bean (Phaseolus vulgaris) to Foramsulfuron, Isoxaflutole, and Isoxaflutole plus Atrazine Applied in Previous Years1

P. Sikkema, N. Soltani, D. Robinson, 2006, Weed Technology.

Vegetable crop responses to chlorimuron-ethyl applied in the previous year

P. Sikkema, N. Soltani, D. Robinson, 2005 .

Effect of Foramsulfuron and Isoxaflutole Residues on Rotational Vegetable Crops

P. Sikkema, N. Soltani, D. Robinson, 2005 .

Weed Control, Environmental Impact, and Economics of Weed Management Strategies in Glyphosate-Resistant Soybean

P. Sikkema, R. Vyn, R. Nurse, 2011, Weed Technology.

Effect of Halosulfuron Applied Preplant Incorporated, Preemergence, and Postemergence on Dry Bean

P. Sikkema, R. Nurse, N. Soltani, 2009, Weed Technology.

Is the application of a residual herbicide required prior to glyphosate application in no-till glyphosate-tolerant soybean (Glycine max)?

W. Deen, C. Swanton, P. Sikkema, 2007 .

Sensitivity of Leguminous Crops to Saflufenacil

P. Sikkema, N. Soltani, C. Shropshire, 2010, Weed Technology.

Tolerance of spring barley (Hordeum vulgare L.), oats (Avena sativa L.) and wheat (Triticum aestivum L.) to saflufenacil

P. Sikkema, N. Soltani, C. Shropshire, 2008 .

Effect of clomazone on various market classes of dry beans

P. Sikkema, N. Soltani, C. Shropshire, 2007 .

Annual broadleaved weed control in transplanted tomato with clomazone in Canada

P. Sikkema, R. Nurse, D. Robinson, 2006 .

Otebo bean (Phaseolus vulgaris) sensitivity to pre-emergence herbicides

P. Sikkema, N. Soltani, D. Robinson, 2006 .

Response of Eight Sweet Corn (Zea mays L.) Hybrids to Topramezone

P. Sikkema, N. Soltani, D. Robinson, 2007 .

Tolerance of Three Sweet Corn Hybrids to a Postemergence Tankmix of Nicosulfuron plus Bromoxynil

P. Sikkema, S. Bowley, N. Soltani, 2005 .

Control of Muhlenbergia frondosa (wirestem muhly) with post-emergence sulfonylurea herbicides in maize (Zea mays)

P. Sikkema, J. J. Kells, Christopher Kramer, 2007 .

Broccoli, cabbage and cauliflower tolerance to sulfonylurea herbicides

P. Sikkema, N. Soltani, D. Robinson, 2006 .

Does the Application of a Fungicide after a Herbicide Reduce Soybean Injury and Increase Yield?

P. Sikkema, N. Soltani, C. Shropshire, 2021, Agricultural Sciences.

Weed Control with Halosulfuron Applied Preplant Incorporated, Preemergence or Postemergence in White Bean

P. Sikkema, R. Nurse, N. Soltani, 2014 .

Tolpyralate Efficacy: Part 2. Comparison of Three Group 27 Herbicides Applied POST for Annual Grass and Broadleaf Weed Control in Corn

P. Sikkema, N. Soltani, D. Robinson, 2018, Weed Technology.

Control of Amaranthus tuberculatus var. rudis (common waterhemp) with pre and post-emergence herbicides in Zea mays L. (maize)

C. Swanton, P. Sikkema, S. Weaver, 2006 .

Annual Ryegrass Control in Corn With Glyphosate plus Residual Herbicides Applied Preplant in the Spring

P. Sikkema, N. Soltani, C. Willemse, 2022, Journal of Agricultural Science.

Pre-emergence herbicides for potential use in pinto and small red mexican bean (Phaseolus vulgaris) production

P. Sikkema, R. Nurse, N. Soltani, 2008 .

Weed control in soybean using pyroxasulfone and sulfentrazone

P. Sikkema, K. Belfry, K. McNaughton, 2015, Canadian Journal of Plant Science.

Control of Glyphosate-Resistant Common Ragweed (Ambrosia artemisiifolia L.) in Glufosinate-Resistant Soybean [Glycine max (L.) Merr]

J. Lindquist, P. Sikkema, S. Knezevic, 2017, Front. Plant Sci..

Urea Ammonium Nitrate as the Carrier for Herbicides in Winter Wheat

P. Sikkema, N. Soltani, C. Shropshire, 2012 .

Weed Control in White Bean with Pendimethalin Applied Preplant Followed by Postemergence Broadleaved Herbicides

P. Sikkema, R. Nurse, N. Soltani, 2013 .

Evaluation of Delayed Glyphosate Burndown in No-Till Soybean

P. Sikkema, K. Belfry, C. Shropshire, 2015 .

The effect of hard water, spray solution storage time, and ammonium sulfate on glyphosate efficacy and yield of glyphosate-resistant corn

P. Sikkema, R. Nurse, K. Mahoney, 2014, Canadian Journal of Plant Science.

Weed control, environmental impact and profitability with glyphosate tank mixes in glyphosate-tolerant corn

P. Sikkema, R. Vyn, L. V. Eerd, 2010 .

Weed control with postemergence glyphosate tank mixes in glyphosate-resistant soybean

P. Sikkema, L. Brown, N. Soltani, 2014, Canadian Journal of Plant Science.

Flat fan and air induction nozzles affect soybean herbicide efficacy

P. Sikkema, L. Brown, N. Soltani, 2008 .

Reduced herbicide rates provide acceptable weed control regardless of corn planting strategy in Ontario field corn

P. Sikkema, T. Welacky, R. Nurse, 2008 .

Common Ragweed (Ambrosia artemisiifolia L.) Interference with Soybean in Nebraska

J. Lindquist, P. Sikkema, S. Knezevic, 2018 .

Benefit of Adding Ammonium Sulfate or Additional Glyphosate to Glyphosate in Corn and Soybean

P. Sikkema, R. Nurse, N. Soltani, 2016 .

Effect of ammonium sulfate and water hardness on glyphosate and glufosinate activity in corn

P. Sikkema, R. Nurse, N. Soltani, 2011, Canadian Journal of Plant Science.

How long can a herbicide remain in the spray tank without losing efficacy

P. Sikkema, R. Nurse, C. Stewart, 2009 .

Efficacy of POST glyphosate applications in combination with other POST herbicides in glyphosate-resistant corn (Zea mays L.)

P. Sikkema, L. Brown, K. McNaughton, 2014 .

Weed Control, Environmental Impact and Profitability of Weed Management Strategies in Glyphosate-Resistant Corn

P. Sikkema, R. Vyn, L. V. Eerd, 2012 .

Conventional vs. Glyphosate-Resistant Cropping Systems in Ontario: Weed Control, Diversity, and Yield

C. Swanton, P. Sikkema, F. Tardif, 2009, Weed Science.

Weed Control in Soybean with Imazethapyr Applied Alone or in Tank Mix with Saflufenacil/Dimethenamid-P

P. Sikkema, N. Soltani, C. Shropshire, 2015, Weed Science.

Weed control in winter wheat (Triticum aestivum L.) with preplant applications of glyphosate plus mesotrione or saflufenacil.

P. Sikkema, L. Brown, N. Soltani, 2015 .

Response of winter wheat (Triticum aestivum L.) to autumn applied saflufenacil

P. Sikkema, L. Brown, N. Soltani, 2012 .

Weed control and sensitivity of oats (Avena sativa) with various doses of saflufenacil

P. Sikkema, N. Soltani, C. Shropshire, 2012 .

Sodium Safens Saflufenacil Applied Postemergence to Corn (Zea mays)

C. Swanton, P. Sikkema, J. Hall, 2011, Weed Science.

Efficacy of Saflufenacil plus Dimethenamid-P for Weed Control in Corn

C. Swanton, P. Sikkema, M. Moran, 2011, Weed Technology.

Biologically effective rate of saflufenacil/dimethenamid-p in soybean (Glycine max)

P. Sikkema, Robert T. Miller, N. Soltani, 2012, Canadian Journal of Plant Science.

Response of Eight Sweet Maize (Zea mays L.) Hybrids to Saflufenacil Alone or Pre-Mixed with Dimethenamid-P

P. Sikkema, N. Soltani, D. Robinson, 2012 .

Tolerance of Winter Wheat (Triticum aestivum L.) and Under Seeded Red Clover (Trifolium pretense L.) to Fall Applied Post-Emergent Broadleaf Herbicides

P. Sikkema, L. Brown, K. McNaughton, 2014 .

Control of glyphosate-resistant common ragweed in corn with preemergence herbicides

P. Sikkema, L. Brown, N. Soltani, 2018, Canadian Journal of Plant Science.

Tolerance of adzuki bean to preplant‐incorporated, pre‐emergence, and post‐emergence herbicides in Ontario, Canada

P. Sikkema, R. Nurse, C. Stewart, 2010 .

Halosulfuron tankmixes applied preplant incorporated for weed control in white bean (Phaseolus vulgaris L.).

P. Sikkema, Zhenyi Li, N. Soltani, 2016, Canadian Journal of Plant Science.

Halosulfuron Tank-Mixes Applied PRE in White Bean

P. Sikkema, Zhenyi Li, N. Soltani, 2016, Weed Technology.

Influence of Herbicide Carrier on the Tolerance of White Bean to Preplant Incorporated and Preemergence Herbicides

P. Sikkema, N. Soltani, C. Shropshire, 2016 .

Weed management in dry beans (Phaseolus vulgaris) with dimethenamid plus reduced doses of imazethapyr applied preplant incorporated

P. Sikkema, R. Vyn, L. V. Eerd, 2007 .

Weed control and sweet maize (Zea mays L.) yield as affected by pyroxasulfone dose

P. Sikkema, R. Nurse, D. Robinson, 2011 .

Response of Underseeded Red Clover (Trifolium pratense L.) to Winter Wheat (Triticum aestivum L.) Herbicides as Affected by Application Timing

P. Sikkema, F. Tardif, J. Letarte, 2014 .

Influence of late emerging weeds in glyphosate-resistant corn

P. Sikkema, Christy L. Sprague, R. Nurse, 2013 .

Comparison of Glyphosate Formulations for Weed Control and Tolerance in Maize (Zea mays L.) and Soybean (Glycine max (L.) Merr.)

P. Sikkema, C. Shropshire, K. Mahoney, 2014 .

Herbicide-resistant crops in Eastern Canada.

C. Swanton, P. Sikkema, N. Soltani, 2007 .

Response of four spring-seeded cover crops to residues of selected herbicides

P. Sikkema, L. V. Eerd, D. Robinson, 2015, Canadian Journal of Plant Science.

Efficacy of imazethapyr application timing on the control of long-spined sandbur [Cenchrus longispinus (Hack. in Kneuck.] Fernald) in soybean.

P. Sikkema, Christopher Kramer, N. Soltani, 2009 .

Yellow nutsedge (Cyperus esculentus L.) control in corn with various rates of halosulfuron

P. Sikkema, N. Soltani, C. Shropshire, 2018, Canadian Journal of Plant Science.

Tolerance of Glyphosate-Resistant Maize to Glyphosate Plus MCPA Amine Is Influenced by Dose and Timing

P. Sikkema, R. Nurse, N. Soltani, 2015 .

Weed Control and Yield Response to Foramsulfuron in Corn

C. Swanton, P. Sikkema, F. Tardif, 2007, Weed Technology.

Efficacy of HPPD-inhibiting herbicides applied preemergence or postemergence for control of multiple herbicide resistant waterhemp [Amaranthus tuberculatus (Moq.) Sauer]

P. Sikkema, N. Soltani, D. Robinson, 2019, Canadian Journal of Plant Science.

Biologically-Effective-Dose of Tolpyralate and Tolpyralate plus Atrazine for Control of Multiple-Herbicide-Resistant Waterhemp [Amaranthus tuberculatus (Moq.) J. D. Sauer] in Corn

P. Sikkema, N. Soltani, D. Robinson, 2021, Agricultural Sciences.

Control of multiple-resistant waterhemp [Amaranthus tuberculatus (Moq.) Sauer] with preemergence and postemergence herbicides in corn in Ontario

P. Sikkema, N. Soltani, D. Robinson, 2019, Canadian Journal of Plant Science.

Glyphosate-resistant waterhemp (Amaranthus tuberculatus var. rudis) in Ontario, Canada

P. Tranel, P. Sikkema, D. Robinson, 2017, Canadian Journal of Plant Science.

Sweet Corn (Zea mays) Cultivar Sensitivity to Mesotrione*

P. Sikkema, J. O'sullivan, J. Zandstra, 2002, Weed Technology.

Weed control and yield response to mesotrione in maize (Zea mays)

C. Swanton, P. Sikkema, F. Tardif, 2010 .

Biologically effective dose of glyphosate as influenced by weed size in corn

P. Sikkema, N. Soltani, Robert E. Nurse, 2016, Canadian Journal of Plant Science.

Glyphosate-Resistant Common Ragweed Control in Corn with Postemergence Herbicides

P. Sikkema, L. Brown, N. Soltani, 2018 .

Preplant followed by postemergence herbicide programs and biologically effective rate of metribuzin for control of glyphosate-resistant common ragweed (Ambrosia artemisiifolia) in soybean

P. Sikkema, N. Soltani, D. Robinson, 2018, Canadian Journal of Plant Science.

Sulfentrazone tank mix partners for weed control in white bean (Phaseolus vulgaris L.)

P. Sikkema, D. Robinson, C. Shropshire, 2016, Canadian Journal of Plant Science.

Effects of pre-emergence applications of flufenacet plus metribuzin on weeds and soybean (Glycine max)

P. Sikkema, B. Deen, S. Bowley, 2005 .

Sweet Corn Cultivar Sensitivity to Bentazon1

P. Sikkema, D. Robinson, J. O'sullivan, 2004, Weed Technology.

Short Communication: Influence of manganese on efficacy of glyphosate in glyphosate-resistant soybean

P. Sikkema, N. Soltani, C. Shropshire, 2011, Canadian Journal of Plant Science.

EFFECT OF REDUCED HERBICIDE RATES ON WEED CONTROL AND YIELD OF CORN.

P. Sikkema, R. Vyn, L. V. Eerd, 2008 .

White Bean Sensitivity to Preemergence Herbicides1

P. Sikkema, N. Soltani, C. Shropshire, 2004, Weed Technology.

Simulated mesotrione drift followed by glyphosate, imazethapyr, bentazon or glyphosate plus chlorimuron in soybean

C. Swanton, P. Sikkema, L. Brown, 2009 .

Environmental Impact of Glyphosate-Resistant Weeds in Canada

H. Beckie, P. Sikkema, R. Blackshaw, 2014, Weed Science.

Biologically effective rate of halosulfuron applied after emergence in corn

P. Sikkema, C. Shropshire, N. Soltani, 2017, Canadian Journal of Plant Science.

Sensitivity of field corn to halosulfuron applied pre- and post-emergence

P. Sikkema, N. Soltani, C. Shropshire, 2016, Canadian Journal of Plant Science.

Dry Bean Response to Preemergence-Applied Kih-485

P. Sikkema, N. Soltani, C. Shropshire, 2007, Weed Technology.

Sweet corn (Zea mays) cultivar tolerance to nicosulfuron

R. Thomas, P. Sikkema, J. O'sullivan, 2000 .

Influence of Tillage on Common Ragweed (Ambrosia artemisiifolia) Emergence Pattern in Nebraska

J. Lindquist, P. Sikkema, R. Werle, 2017, Weed Technology.

Potential Yield Loss in Sugar Beet Due to Weed Interference in the United States and Canada

P. Jha, P. Sikkema, J. Dille, 2018, Weed Technology.

Control of Multiple-Herbicide-Resistant Green Pigweed (Amaranthus powellii) with Preemergence and Postemergence Herbicides in Ontario Soybean Production

Martin Laforest, P. Sikkema, F. Tardif, 2022, Agronomy.

Control of Glyphosate-Resistant Waterhemp with Two-Pass Weed Control Strategies in Glyphosate/Dicamba-Resistant Soybean

P. Sikkema, N. Soltani, D. Robinson, 2018 .

Potential spring canola yield losses due to weeds in Canada and the United States

P. Sikkema, J. Dille, B. Tidemann, 2022, Weed Technology.

Effect of imazamox plus bentazon on dry bean (Phaseolus vulgaris L.)

P. Sikkema, S. Hekmat, N. Soltani, 2008 .

Effect of Hybrid Varieties, Application Timing, and Herbicide Rate on Field Corn Tolerance to Tolpyralate Plus Atrazine

P. Sikkema, N. Soltani, D. Robinson, 2019, Weed Science.

Winter wheat (Triticum aestivum L.) tolerance to mixtures of herbicides and fungicides applied at different timings

P. Sikkema, F. Tardif, Mike Cowbrough, 2013, Canadian Journal of Plant Science.

Weed control, environmental impact and profitability of reduced rates of imazethapyr in combination with dimethenamid in dry beans

P. Sikkema, R. Vyn, L. V. Eerd, 2007 .

Responses of three types of winter wheat (Triticum aestivum L.) to spring-applied post-emergence herbicides

P. Sikkema, L. Brown, N. Soltani, 2007 .

Responses of winter wheat (Triticum aestivum L.) to autumn applied post-emergence herbicides

P. Sikkema, N. Soltani, C. Shropshire, 2006 .

Weed Management in Spring Seeded Barley, Oats, and Wheat with Prosulfuron

P. Sikkema, L. Brown, N. Soltani, 2014 .

Weed Management in Spring Planted Cereals with Mesotrione

P. Sikkema, N. Soltani, C. Shropshire, 2014 .

Tolerance of three types of winter wheat (Triticum aestivum L.) to fluroxypyr plus MCPA ester.

P. Sikkema, L. Brown, 2010 .

Responses of dry beans (Phaseolus vulgaris L.) to sulfentrazone

P. Sikkema, S. Hekmat, N. Soltani, 2007 .

Responses of Dry Beans to Flumioxazin1

P. Sikkema, S. Bowley, N. Soltani, 2005, Weed Technology.

Response of sweet maize (Zea mays L.) hybrids to halosulfuron

P. Sikkema, N. Soltani, D. Robinson, 2008 .

Sweet Corn Hybrid Sensitivity to Clopyralid1

P. Sikkema, N. Soltani, D. Robinson, 2005 .

Sweet Corn (Zea mays) Cultivar Sensitivity to AE F1303601

P. Sikkema, D. Robinson, J. O'sullivan, 2003, Weed Technology.

Sweet corn (Zea mays) cultivar tolerance to primisulfuron

P. Sikkema, J. O'sullivan, 2002 .

Sweet Corn (Zea mays) Cultivar Sensitivity to RPA 2017721

R. Thomas, P. Sikkema, J. O'sullivan, 2001, Weed Technology.

Sweet Corn (Zea mays) Cultivar Sensitivity to CGA 152005 Postemergence1

P. Sikkema, J. O'sullivan, 2001, Weed Technology.

Weed Control in Processing Tomato (Lycopersicon esculentum) with Rimsulfuron and Thifensulfuron Applied Alone or with Chlorothalonil or Copper Pesticides

P. Sikkema, N. Soltani, D. Robinson, 2006 .

Response of Four Dry Bean Market Classes to Pre-Emergence Applications of Pyroxasulfone, Sulfentrazone and Pyroxasulfone plus Sulfentrazone

P. Sikkema, N. Soltani, D. Robinson, 2016 .

Sensitivity of Dry Bean to Dimethenamid-p, Saflufenacil and Dimethenamid-p/Saflufenacil

P. Sikkema, N. Soltani, C. Shropshire, 2014 .

Response of Dry Bean to Sulfentrazone Plus Imazethapyr

P. Sikkema, N. Soltani, C. Shropshire, 2014 .

Response of dry bean to pre-plant incorporated and pre-emergence applications of S-metolachlor and fomesafen

P. Sikkema, N. Soltani, C. Shropshire, 2009 .

Control of Glyphosate-Resistant Horseweed in Winter Wheat with Pyrasulfotole Premixed with Bromoxynil

P. Sikkema, K. Mahoney, K. McNaughton, 2016, Weed Technology.

Control of Glyphosate-Resistant Giant Ragweed in Winter Wheat

P. Sikkema, K. Mahoney, K. McNaughton, 2015, Weed Technology.

Desiccation in dry edible beans with various herbicides

P. Sikkema, R. Blackshaw, N. Soltani, 2013, Canadian Journal of Plant Science.

Tolerance of four dry bean market classes to flufenacet, acetochlor, and S-metolachlor applied preplant incorporated

P. Sikkema, N. Soltani, D. Robinson, 2022, Weed Technology.

Weed management in azuki bean with preplant incorporated herbicides

P. Sikkema, L. Brown, N. Soltani, 2020 .

Control of volunteer adzuki bean and soybean in white bean with halosulfuron

P. Sikkema, N. Soltani, C. Shropshire, 2019, Canadian Journal of Plant Science.

Dry Bean Sensitivity to Group 15 Herbicides Applied Preemergence

P. Sikkema, N. Soltani, C. Shropshire, 2018 .

Response of dry bean to Group 15 herbicides applied preplant incorporated

P. Sikkema, N. Soltani, C. Shropshire, 2018, Canadian Journal of Plant Science.

Sensitivity of Adzuki Bean ( Vigna angularis ) to Acifluorfen, Fomesafen, Bentazon, Imazethapyr and Halosulfuron-Methyl Applied Postemergence

P. Sikkema, N. Soltani, C. Shropshire, 2017 .

Response of four market classes of dry beans to halosulfuron applied postemergence at five application timings.

P. Sikkema, N. Soltani, C. Shropshire, 2015 .

Weed Control in White Bean with Various Halosulfuron Tankmixes

P. Sikkema, R. Nurse, N. Soltani, 2014 .

Tolerance of mung bean to postemergence herbicides

P. Sikkema, N. Soltani, C. Shropshire, 2013 .

Weed management in white beans with postemergence herbicide tankmixes

P. Sikkema, R. Nurse, N. Soltani, 2013, Canadian Journal of Plant Science.

Response of dry beans to halosulfuron applied postemergence

P. Sikkema, N. Soltani, C. Shropshire, 2012, Canadian Journal of Plant Science.

Safening effect of bentazon on cloransulam-methyl and halosulfuron-methyl in dry bean

P. Sikkema, N. Soltani, C. Shropshire, 2012 .

Response of pinto and small red Mexican beans (Phaseolus vulgaris L.) to preplant-incorporated herbicides

P. Sikkema, R. Nurse, N. Soltani, 2008 .

Adzuki bean (Vigna angularis) responses to post-emergence herbicides

P. Sikkema, N. Soltani, D. Robinson, 2006 .

Sensitivity of Adzuki Bean (Vigna angularis) to Preplant-Incorporated Herbicides1

P. Sikkema, N. Soltani, D. Robinson, 2005, Weed Technology.

White bean (Phaseolus vulgaris) tolerance to preplant-incorporated herbicides

P. Sikkema, N. Soltani, 2005 .

Tolerance of White Beans to Postemergence Broadleaf Herbicides1

P. Sikkema, N. Soltani, C. Shropshire, 2004, Weed Technology.

Response of spring planted barley (Hordeum vulgare L.), oats (Avena sativa L.) and wheat (Triticum aestivum L.) to mesotrione

P. Sikkema, N. Soltani, C. Shropshire, 2011 .

Weed Control in Corn and Soybean with Group 15 (VLCFA Inhibitor) Herbicides Applied Preemergence

P. Sikkema, L. Brown, N. Soltani, 2019, International Journal of Agronomy.

Control of Glyphosate and Acetolactate Synthase Resistant Common Ragweed (Ambrosia artemisiifolia L.) in Soybean (Glycine max L.) with Preplant Herbicides

P. Sikkema, N. Soltani, D. Robinson, 2014 .

Weed Control in White Bean with Pethoxamid Tank-Mixes Applied Preemergence

P. Sikkema, L. Brown, N. Soltani, 2018, International Journal of Agronomy.

Weed Management in White Bean With Pre-plant Incorporated Herbicides

P. Sikkema, N. Soltani, C. Shropshire, 2021, Journal of Agricultural Science.

Efficacy of trifluralin and halosulfuron for weed management in white bean

P. Sikkema, N. Soltani, C. Shropshire, 2020, Canadian Journal of Plant Science.

Direct versus Indirect Herbicide Effects: The Example of Preplant Incorporated Halosulfuron

P. Sikkema, Zhenyi Li, N. Soltani, 2017 .

Weed Control, Environmental Impact and Profitability of Pre-Plant Incorporated Herbicides in White Bean

P. Sikkema, R. Nurse, N. Soltani, 2012 .

Weed control, environmental impact and profitability with trifluralin plus reduced doses of imazethapyr in dry bean

P. Sikkema, R. Vyn, L. V. Eerd, 2010 .

Weed Control With Preemergence Herbicides in Azuki Bean

P. Sikkema, N. Soltani, C. Shropshire, 2022, Journal of Agricultural Science.

Weed Management in White Bean with Variable Doses of S-Metolachlor and Halosulfuron Applied Preemergence

P. Sikkema, N. Soltani, C. Shropshire, 2019, Agricultural Sciences.

Weed Management in Kidney Bean with Tank Mixes of S-Metolachlor, Imazethapyr and Linuron

P. Sikkema, R. Nurse, N. Soltani, 2014 .

Response of dry bean to pendimethalin applied preplant incorporated or preemergence

P. Sikkema, R. Nurse, N. Soltani, 2013 .

Weed control in dry bean with Pendimethalin plus reduced rates of Imazethapyr.

P. Sikkema, R. Nurse, N. Soltani, 2012 .

Responses of Dry Bean to Biostimulants Added to Postemergence Herbicides

P. Sikkema, N. Soltani, C. Shropshire, 2015 .

Co-application of herbicides and insecticides in dry bean

P. Sikkema, R. Nurse, N. Soltani, 2012 .

Weed control in white bean with herbicide-insecticide tankmixes.

P. Sikkema, N. Soltani, C. Shropshire, 2012 .

The interaction of annual weed and white mold management systems for dry bean production in Canada

P. Sikkema, D. Robinson, Gerard M. Pynenburg, 2011, Canadian Journal of Plant Science.

Integrated weed management in white bean production

P. Sikkema, R. Vyn, N. Soltani, 2008 .

Response of Pinto and Small Red Mexican Bean to Postemergence Herbicides

P. Sikkema, R. Nurse, N. Soltani, 2008, Weed Technology.

Effects of post-emergence application of bentazon and fomesafen on eight market classes of dry beans (Phaseolus vulgaris L.)

P. Sikkema, N. Soltani, C. Shropshire, 2006 .

Responses of otebo bean (Phaseolus vulgaris L.) to postemergence herbicides

P. Sikkema, N. Soltani, D. Robinson, 2006 .

Responses of black and cranberry beans (Phaseolus vulgaris) to post-emergence herbicides

P. Sikkema, S. Bowley, N. Soltani, 2005 .

Sensitivity of adzuki, kidney, small red Mexican, and white beans to pethoxamid

P. Sikkema, R. Nurse, N. Soltani, 2017, Canadian Journal of Plant Science.

Response of cranberry and kidney beans to linuron

P. Sikkema, N. Soltani, C. Shropshire, 2013 .

Effect of imazethapyr application timing in kidney and white bean

P. Sikkema, R. Nurse, N. Soltani, 2013 .

Tolerance of white and adzuki bean to pendimethalin plus reduced doses of imazethapyr

P. Sikkema, R. Nurse, N. Soltani, 2013 .

Response of Eight Market Classes of Dry Bean (Phaseolus vulgaris L.) to Pendimethalin

P. Sikkema, R. Nurse, N. Soltani, 2011 .

Weed management in cranberry bean with linuron

P. Sikkema, R. Nurse, N. Soltani, 2011, Canadian Journal of Plant Science.

Tolerance of black, cranberry, kidney, and white bean to cloransulam‐methyl

P. Sikkema, N. Soltani, C. Shropshire, 2010 .

Response of dry bean to preplant incorporated and preemergence applications of pyroxasulfone

P. Sikkema, N. Soltani, C. Shropshire, 2009 .

Response of white bean (Phaseolus vulgaris) to imazethapyr

C. Swanton, P. Sikkema, N. Soltani, 2008 .

Responses of cole crops to pre-transplant herbicides

P. Sikkema, N. Soltani, D. Robinson, 2007 .

Tolerance of Otebo Bean (Phaseolus vulgaris) to New Herbicides in Ontario1

P. Sikkema, N. Soltani, D. Robinson, 2006, Weed Technology.

Response of adzuki bean to pre-emergence herbicides

P. Sikkema, D. Robinson, C. Shropshire, 2006 .

Tolerance of Black Beans (Phaseolus vulgaris) to Soil Applications of S-Metolachlor and Imazethapyr1

P. Sikkema, N. Soltani, C. Shropshire, 2004, Weed Technology.

Effect of five desiccants applied alone and in combination with glyphosate in dry edible bean (Phaseolus vulgaris L.)

P. Sikkema, R. Blackshaw, R. Gulden, 2015, Canadian Journal of Plant Science.

The effect of residual corn herbicides on injury and yield of soybean seeded in the same season

C. Swanton, P. Sikkema, H. Mashhadi, 2011, Canadian Journal of Plant Science.

Response of black, cranberry, kidney, and white bean to linuron

P. Sikkema, S. Hekmat, N. Soltani, 2009 .

Snap Bean Tolerance to Herbicides in Ontario1

P. Sikkema, D. Robinson, K. McNaughton, 2004, Weed Technology.

Herbicide Tolerance of Lima Bean (Phaseolus lunatus) in Ontario1

P. Sikkema, D. Robinson, K. McNaughton, 2004, Weed Technology.

Confirmation of 4-Hydroxyphenylpyruvate Dioxygenase Inhibitor-Resistant and 5-Way Multiple-Herbicide-Resistant Waterhemp in Ontario, Canada

P. Sikkema, N. Soltani, Hannah E. Symington, 2022, Journal of Agricultural Science.

Biologically Effective Dose of Metribuzin Applied Preemergence and Postemergence for the Control of Waterhemp (Amaranthus tuberculatus) with Different Mechanisms of Resistance to Photosystem II–Inhibiting Herbicides

P. Tranel, Martin Laforest, P. Sikkema, 2021, Weed Science.

Tolerance of Eight Sweet Corn (Zea mays L.) Hybrids to Pyroxasulfone

P. Sikkema, N. Soltani, D. Robinson, 2008 .

Long-spine sandbur [Cenchrus longispinus (Hack. in Kneuck.) Fernald] control in corn

P. Sikkema, L. Brown, N. Soltani, 2010 .

Control of Volunteer Corn with the AAD-1 (aryloxyalkanoate dioxygenase-1) Transgene in Soybean

P. Sikkema, N. Soltani, C. Shropshire, 2015, Weed Technology.

Growth and fitness of triazine-susceptible and triazine-resistant common waterhemp (Amaranthus tuberculatus var. rudis)

C. Swanton, P. Sikkema, S. Weaver, 2008 .

Control of common cocklebur (Xanthium strumarium L.) with pre- and postemergence herbicides in soybean

P. Sikkema, Christopher Kramer, N. Soltani, 2008 .

Use of Infrared Thermometry in Determining Critical Stress Periods Induced by Quackgrass (Agropyron repens) in Soybeans (Glycine max)

P. Sikkema, J. Dekker, 1987, Weed Science.

Benefits and Risks of Economic vs. Efficacious Approaches to Weed Management in Corn and Soybean1

C. Swanton, P. Sikkema, F. Tardif, 2004, Weed Technology.

Effect of herbicide residues on fall-seeded cover crops influence soil aggregate stability and mineral N

P. Sikkema, L. V. Eerd, D. Robinson, 2016, Canadian Journal of Plant Science.

Effect of reduced herbicide rates on weed control, environmental impact and profitability of corn

P. Sikkema, R. Vyn, L. V. Eerd, 2009 .

A Comparison of Reduced Rate and Economic Threshold Approaches to Weed Management in a Corn–Soybean Rotation

P. Sikkema, R. Vyn, S. Weaver, 2007, Weed Technology.

Response of winter wheat to herbicide plus fungicide plus ammonium thiosulphate tank-mixes

P. Sikkema, N. Soltani, D. Hooker, 2018, Canadian Journal of Plant Science.

Multiple-herbicide-resistant waterhemp control in glyphosate/glufosinate/2,4-D-resistant soybean with one- and two-pass weed control programs

P. Sikkema, Robert T. Miller, N. Soltani, 2023, Weed Technology.

Effect of application timing of glyphosate and saflufenacil as desiccants in dry edible bean (Phaseolus vulgaris L.)

P. Sikkema, R. Blackshaw, R. Gulden, 2015, Canadian Journal of Plant Science.

Tolerance of tomato, pepper and potato to pre-emergence applications of saflufenacil

P. Sikkema, D. Robinson, K. McNaughton, 2012 .

Does the Inclusion of Atrazine in S-Metolachlor/Mesotrione/Bicyclopyrone Improve Glyphosate-Resistant Canada Fleabane Control in Corn?

P. Sikkema, N. Soltani, C. Willemse, 2021, Journal of Agricultural Sciences.

Comparing the Biomass Yield and Biogas Potential of Phragmites australis with Miscanthus x giganteus and Panicum virgatum Grown in Canada

Kurtis Baute, P. Sikkema, B. Gilroyed, 2018, Energies.

OPTIMAL MINERAL NUTRITION OF TOMATO TRANSPLANTS IN THE GREENHOUSE FOR MAXIMUM PERFORMANCE IN THE FIELD

A. Liptay, P. Sikkema, S. Nicholls, 1992 .

Response of dry beans to tiafenacil applied preemergence

P. Sikkema, N. Soltani, C. Shropshire, 2021, Weed technology.

Potential yield loss in grain sorghum (Sorghum bicolor) with weed interference in the United States

P. Sikkema, B. Bean, J. Dille, 2020, Weed Technology.

Delaying Weed Control Lengthens the Anthesis-Silking Interval in Maize

Elizabeth A. Lee, C. Swanton, P. Sikkema, 2014, Weed Science.

Glyphosate resistance in Ambrosia trifida: Part 2. Rapid response physiology and non-target-site resistance.

W. G. Johnson, Michael D. McLean, P. Sikkema, 2018, Pest management science.

Weed management options for conventional soybean

P. Sikkema, F. Tardif, K. Belfry, 2016, Canadian Journal of Plant Science.

Two-Pass Weed Management with Preemergence and Postemergence Herbicides in Glyphosate-Resistant Soybean

P. Sikkema, R. Nurse, N. Soltani, 2014 .

Efficacy of four corn (Zea mays L.) herbicides when applied with flat fan and air induction nozzles

P. Sikkema, L. Brown, N. Soltani, 2007 .

Effect of amitrole and 2,4‐D applied preplant and pre‐emergence in soybean (Glycine max)

C. Swanton, P. Sikkema, N. Soltani, 2008 .

Processing Tomato and Weed Response to Flufenacet plus Metribuzin1

P. Sikkema, M. M. Qaderi, A. Hamill, 2004, Weed Technology.

Herbicide tank mixtures to control co-existing glyphosate-resistant Canada fleabane and giant ragweed in soybean

P. Sikkema, K. Mahoney, K. McNaughton, 2016, Canadian Journal of Plant Science.

Tank mixture of glyphosate with 2,4-D accentuates 2,4-D injury in glyphosate-resistant corn

P. Sikkema, N. Soltani, C. Shropshire, 2018, Canadian Journal of Plant Science.

Control of volunteer adzuki bean in soybean

C. Swanton, P. Sikkema, Christopher Kramer, 2012 .

Control of volunteer cereals with post-emergence herbicides in maize (Zea mays L.).

C. Swanton, P. Sikkema, F. Tardif, 2010 .

Tolerance of Winter Wheat to Co-application of Postemergence Broadleaf Herbicides Using Urea Ammonium Nitrate as the Carrier

P. Sikkema, L. Brown, N. Soltani, 2014 .

Glyphosate resistance in Ambrosia trifida: Part 1. Novel rapid cell death response to glyphosate.

W. G. Johnson, Michael D. McLean, P. Sikkema, 2018, Pest management science.

Potential potato yield loss from weed interference in the United States and Canada

P. Sikkema, J. Dille, N. Soltani, 2023, Weed Technology.

Single and sequential applications of dicamba for the control of glyphosate-resistant common ragweed in glyphosate- and dicamba-resistant soybean

P. Sikkema, D. Robinson, H. Byker, 2017, Canadian Journal of Plant Science.

Common Ragweed (Ambrosia artemisiifolia L.) Interference with Soybean in Nebraska

J. Lindquist, P. Sikkema, S. Knezevic, 2018 .

Response of winter wheat (Triticum aestivum L.) to glyphosate tankmixes.

P. Sikkema, L. Brown, N. Soltani, 2012 .

Soybean and common ragweed (Ambrosia artemisiifolia) growth in monoculture and mixture

J. Lindquist, P. Sikkema, S. Knezevic, 2019, Weed Technology.