Research Summary
Biological soil quality and sustainability; impact of agricultural practices on soil biodiversity and function; biology and ecology of entomopathogenic nemotodes and fungi for use as conserved or applied biological control agents.
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Research Keywords
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Recent Publications
Managing cover crop mixtures over a decade via species replacement and seeding rate adjustment
Hosler, S. C., Murrell, E. G., Arrington, K. E., Baraibar, B., Barbercheck, M. E., Bradley, B. A., Burgess, M., Finney, D. M., Hunter, M. C., LaChance, J. C., Mortensen, D. A., White, C. M., Lowry, C. J. & Kaye, J. P., Dec 2025, In: Agricultural and Environmental Letters. 10, 2, e70029.Research output: Contribution to journal › Article › peer-review
Effect of tillage system on epigeal and foliar insect predation in an organic cropping system in Pennsylvania, USA
Tillotson, S. A. W., Voortman, C. A., Wallace, J. M. & Barbercheck, M. E., Jul 2025, In: PloS one. 20, 7 July, e0328896.Research output: Contribution to journal › Article › peer-review
Tillage type and sentinel insect species affect the relative prevalence of the entomopathogenic fungus, Metarhizium robertsii, in soil
Tillotson, S. A. W., Voortman, C. A., Wallace, J. M. & Barbercheck, M. E., Jan 2025, In: PloS one. 20, 1, e0317149.Research output: Contribution to journal › Article › peer-review
Water Stress and Black Cutworm Feeding Modulate Plant Response in Maize Colonized by Metarhizium robertsii
Ahmad, I., Jimenez-Gasco, M. D. M. & Barbercheck, M. E., Jul 2024, In: Pathogens. 13, 7, 544.Research output: Contribution to journal › Article › peer-review
Seedcorn maggot response to planting date, cover crops, and tillage in organic cropping systems
Regan, K. H., Voortman, C. A. & Barbercheck, M. E., Apr 1 2024, In: Journal of economic entomology. 117, 2, p. 555-563 9 p.Research output: Contribution to journal › Article › peer-review
Maize response to endophytic Metarhizium robertsii is altered by water stress
Peterson, H., Ahmad, I. & Barbercheck, M. E., Nov 2023, In: PloS one. 18, 11 November, e0289143.Research output: Contribution to journal › Article › peer-review
Endophytic Metarhizium robertsii suppresses the phytopathogen, Cochliobolus heterostrophus and modulates maize defenses
Ahmad, I., del Mar Jiménez-Gasco, M., Luthe, D. S. & Barbercheck, M. E., Sep 2022, In: PloS one. 17, 9 September, e0272944.Research output: Contribution to journal › Article › peer-review
Weeds in cover crops: Context and management considerations
Baraibar, B., White, C. M., Hunter, M. C., Finney, D. M., Barbercheck, M. E., Kaye, J. P., Curran, W. S., Bunchek, J. & Mortensen, D. A., Mar 2021, In: Agriculture (Switzerland). 11, 3, p. 1-15 15 p., 193.Research output: Contribution to journal › Article › peer-review
Weed-Insect Interactions in Annual Cropping Systems
Barbercheck, M. E. & Wallace, J., Mar 1 2021, In: Annals of the Entomological Society of America. 114, 2, p. 276-291 16 p.Research output: Contribution to journal › Review article › peer-review
Rotational no-till and tillage-based organic corn produce management tradeoffs in the Northeast
Champagne, R. J., Wallace, J. M., Curran, W. S. & Barbercheck, M. E., Nov 1 2021, In: Agronomy Journal. 113, 6, p. 5348-5361 14 p.Research output: Contribution to journal › Article › peer-review
Observations on the relationships between endophytic metarhizium robertsii, spodoptera frugiperda (Lepidoptera: Noctuidae), and maize
Flonc, B., Barbercheck, M. & Ahmad, I., Jun 2021, In: Pathogens. 10, 6, 713.Research output: Contribution to journal › Article › peer-review
Cover crop–based, rotational no-till management tactics influence crop performance in organic transition within the Mid-Atlantic United States
Wallace, J. M., Barbercheck, M. E., Curran, W., Keene, C. L., Mirsky, S. B., Ryan, M. & VanGessel, M., Nov 1 2021, In: Agronomy Journal. 113, 6, p. 5335-5347 13 p.Research output: Contribution to journal › Article › peer-review
Endophytic Metarhizium robertsii promotes maize growth, suppresses insect growth, and alters plant defense gene expression
Ahmad, I., Jiménez-Gasco, M. D. M., Luthe, D. S., Shakeel, S. N. & Barbercheck, M. E., May 2020, In: Biological Control. 144, 104167.Research output: Contribution to journal › Article › peer-review
Systemic colonization by Metarhizium robertsii enhances cover crop growth
Ahmad, I., Del Mar Jiménez-Gasco, M., Luthe, D. S. & Barbercheck, M. E., Jun 2020, In: Journal of Fungi. 6, 2, 64.Research output: Contribution to journal › Article › peer-review
Systemic colonization by Metarhizium robertsii enhances cover crop growth
Ahmad, I., Del Mar Jiménez-Gasco, M., Luthe, D. S. & Barbercheck, M. E., Jun 1 2020, In: Journal of Fungi. 6, 2Research output: Contribution to journal › Article › peer-review