John Wallace

Associate Professor of Plant Sciences

John Wallace

Huck Affiliations

Most Recent Publications

Cover crop interseeding establishment methods in organic field corn

John Wallace, Sarah Isbell, Ron Hoover, Mary Barbercheck, Jason Kaye, William Curran, Journal of Renewable Agriculture and Food Systems

Tillage type and sentinel insect species affect the relative prevalence of the entomopathogenic fungus, Metarhizium robertsii, in soil

Shea A.W. Tillotson, Christina A. Voortman, John M. Wallace, Mary E. Barbercheck, 2025, PLoS One

Environmental conditions outweigh seeding rates for cover crop mixture performance across the Northeast US

Helen S. Boniface, Steven B. Mirsky, Matthew R. Ryan, Richard G. Smith, Victoria J. Ackroyd, K. Ann Bybee-Finley, Heather M. Darby, Sjoerd W. Duiker, Masoud Hashemi, Sarah M. Hirsh, Ivy Krezinski, Ellen B. Mallory, Tosh R. Mazzone, Thomas Molloy, Arthur Siller, Resham Thapa, Mark J. VanGessel, John M. Wallace, Nicholas D. Warren, Sandra Wayman, Katherine L. Tully, 2024, Field Crops Research

Planting soybean green: how cereal rye biomass and preemergence herbicides impact Amaranthus spp. management and soybean yield

Jose Nunes, John Wallace, Nicholas Arneson, William G. Johnson, Bryan Young, Jason K. Norsworthy, Joseph Ikley, Karla Gage, Kevin Bradley, Prashant Jha, Sarah Lancaster, Vipan Kumar, Travis Legleiter, Rodrigo Werle, 2024, Weed Science on p. 615-629

U.S. cereal rye winter cover crop growth database

Alexandra M. Huddell, Resham Thapa, Charles White, Guillermo S. Marcillo, Lori J. Abendroth, Steven Mirsky, Victoria J. Ackroyd, Shalamar D. Armstrong, Gautam Asmita, Muthukumar V. Bagavathiannan, Kipling S. Balkcom, Andrea Basche, Shawn Beam, Kevin Bradley, Lucas Pecci Canisares, Heather Darby, Adam S. Davis, Pratap Devkota, Warren A. Dick, Jeffery A. Evans, Wesley J. Everman, Tauana Ferreira de Almeida, Michael L. Flessner, Lisa M. Fultz, Stefan Gailans, Masoud Hashemi, Joseph Haymaker, Matthew J. Helmers, Nicholas Jordan, Thomas C. Kaspar, Quirine M. Ketterings, Eileen Kladivko, Alexandra Kravchenko, Eugene P. Law, Lauren Lazaro, Ramon G. Leon, Jeffrey Liebert, John Lindquist, Kristen Loria, Jodie M. McVane, Jarrod O. Miller, Michael J. Mulvaney, Nsalambi V. Nkongolo, Jason K. Norsworthy, Binaya Parajuli, Christopher Pelzer, Cara Peterson, Hanna Poffenbarger, Pratima Poudel, Mark S. Reiter, Matt Ruark, Matthew R. Ryan, Spencer Samuelson, John E. Sawyer, Sarah Seehaver, Lovreet S. Shergill, Yogendra Raj Upadhyaya, Mark VanGessel, Ashley L. Waggoner, John M. Wallace, Samantha Wells, Bethany Wolters, Alex Woodley, Rongzhong Ye, Eric Youngerman, Brian A. Needelman, Steven B. Mirsky, 2024, Scientific data on p. 1-7

Vertical tillage effects on crop production and pest management in Pennsylvania

Andrew Lefever, John M. Wallace, Paul Esker, Charles White, Charles White, Sjoerd W. Duiker, Sjoerd Duiker, Paul D. Esker, John Tooker, 2023, Journal of Production Agriculture on p. 520-530

Impact of cereal rye cover crop on the fate of preemergence herbicides flumioxazin and pyroxasulfone and control of Amaranthus spp. in soybean

Jose Nunes, Nicholas J. Arneson, John Wallace, Karla Gage, Eric Miller, Sarah Lancaster, Thomas Mueller, Rodrigo Werle, 2023, Weed Science on p. 493-505

Cereal rye residue management tactics influence interrow and intrarow weed recruitment dynamics in field corn when planting green

John M. Wallace, Tosh Mazzone, Zachary Larson, 2023, Weed Technology on p. 422-430

Can relative sensitivity of cover crop species to chloroacetamide and pyrazole herbicides be exploited to design interseeding mixtures?

John M. Wallace, 2023, Weed Technology on p. 100-107

Delayed cover-crop termination and reduced herbicide inputs produce trade-offs in soybean phase of US Northeast forage-grain rotation

Teala Ficks, Heather D. Karsten, John Wallace, 2023, Weed Technology on p. 132-140

Most-Cited Papers

Cover crop-based, organic rotational no-till corn and soybean production systems in the mid-atlantic United States

John M. Wallace, Alwyn Williams, Jeffrey A. Liebert, Victoria J. Ackroyd, Rachel A. Vann, William S. Curran, Clair L. Keene, Mark J. Vangessel, Matthew R. Ryan, Steven B. Mirsky, 2017, Agriculture (Switzerland) on p. 34

Cover crop termination timing is critical in organic rotational no-till systems

C. L. Keene, Mary Barbercheck, W. S. Curran, J. M. Wallace, M. R. Ryan, S. B. Mirsky, M. J. Vangessel, 2017, Journal of Production Agriculture on p. 272-282

Evaluation of cover crops drill interseeded into corn across the mid-Atlantic region

W. S. Curran, R. J. Hoover, S. B. Mirsky, G. W. Roth, M. R. Ryan, V. J. Ackroyd, J. M. Wallace, M. A. Dempsey, C. J. Pelzer, 2018, Journal of Production Agriculture on p. 435-443

Ecological characteristics of Ventenata dubia in the Intermountain Pacific Northwest

John M. Wallace, Pamela L.S. Pavek, Timothy S. Prather, 2015, Invasive Plant Science and Management on p. 57-71

Alternative performance targets for integrating cover crops as a proactive herbicide-resistance management tool

Jess M. Bunchek, John M. Wallace, William S. Curran, David A. Mortensen, Mark J. Vangessel, Barbara A. Scott, 2020, Weed Science on p. 534-544

Cover crop effects on horseweed (Erigeron canadensis) density and size inequality at the time of herbicide exposure

John M. Wallace, William Curran, David A. Mortensen, 2019, Weed Science on p. 327-338

Cover crop-based reduced tillage system influences Carabidae (Coleoptera) activity, diversity and trophic group during transition to organic production

Ariel Rivers, Mary Barbercheck, Christina Mullen, John Wallace, 2017, Renewable Agriculture and Food Systems on p. 538-551

Organic fertility inputs synergistically increase denitrification-derived nitrous oxide emissions in agroecosystems

Armen Kemanian, Debasish Saha, Jason P. Kaye, Debasish Saha, Jason Kaye, Arnab Bhowmik, M Bruns, Arnab Bhowmik, John M. Wallace, Mary Ann Bruns, Armen R. Kemanian, 2021, Ecological Applications on p. e02403

Integrated Weed Management Strategies in Cover Crop-based, Organic Rotational No-Till Corn and Soybean in the Mid-Atlantic Region

John M. Wallace, Clair L. Keene, William Curran, Steven Mirsky, Matthew R. Ryan, Mark J. Vangessel, 2018, Weed Science on p. 94-108

Weed-Insect Interactions in Annual Cropping Systems

Mary Barbercheck, John Wallace, 2021, Annals of the Entomological Society of America on p. 276-291