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Leadership Meet the Administrative Team Departments and Units Aute et fugiat ad est cupidatat esse laborum dolor ex anim anim cillum cillum exercitation culpa. Our Experts Aute et fugiat ad est cupidatat esse laborum dolor ex anim anim cillum cillum exercitation culpa.State Administration Get contact information for Extension administrative personnel by operational area and their respective support personnel. Area Extension Directors Get contact information for the Area Extension Directors (AEDs) County Extension Personnel Aute et fugiat ad est cupidatat esse laborum dolor ex anim anim cillum cillum exercitation culpa.
Robert Pearce
Extension Faculty
Associated Departments
Scholars@UK
Hemp root system architecture and allometric relationships vary between monoecious and dioecious cultivars
McGrail, R. K., Nelson, J. A., Pearce, R. C. & McCulley, R. L., Jun 2025, In: Agrosystems, Geosciences and Environment. 8, 2, e70123.Research output: Contribution to journal › Article › peer-review
Comparing agronomic performance of industrial hemp varieties for suitable production in the United States
Williams, A., Brym, Z., Chen, C., Collins, A., Crawford, J., Darby, H., Dedecker, J., Ellison, S., Fike, J., Gage, K., Gang, D., Griffin, J., Johnson, B., Moore, V., Ortmeier-Clarke, H., Podder, S., Richmond, M., Roozeboom, K., Thelen, K. & Werle, R. & 1 others, , Jan 1 2025, In: Agronomy Journal. 117, 1, e70006.Research output: Contribution to journal › Article › peer-review
THC Content on a Dry Weight Basis: Implications for Hemp Legality
Sikora, F. J., Kariuki, S. K., Pearce, R. C., Hamilton, D. & Ji, H., Jan 1 2025, In: Journal of AOAC International. 108, 1, p. 104-111 8 p.Research output: Contribution to journal › Article › peer-review
Characterization of agronomic performance and sterility in triploid and diploid cannabinoid hemp
Suchoff, D. H., Inoa, S. H., Stack, G. M., Wares, A. J., Snyder, S. I., Murdock, M. J., Rose, J. K. C., Smart, L. B., Caton, T. A. & Pearce, R. C., Sep 1 2024, In: Agronomy Journal. 116, 5, p. 2470-2482 13 p.Research output: Contribution to journal › Article › peer-review
Leaf Spot Disease Development and Its Effect on Yield of Essential Oil-Producing Hemp Cultivars in Kentucky
Munir, M., Smith, H., Valentine, T., Leonberger, K., Szarka, D., Dixon, E., Anthony, N., Ricciardi, M., Adedokun, T., Keene, T., Pearce, R. & Gauthier, N., Jun 2024, In: Plant Disease. 108, 6, p. 1621-1631 11 p.Research output: Contribution to journal › Article › peer-review
Green Yield as a Potential Predictor of Cured Burley Tobacco Yield in a Phytophthora nicotianae-Infested Field over Four Seasons
Pfeufer, E., Barlow, W. B. & Pearce, R., 2023, In: Plant Health Progress. 24, 3, p. 359-363 5 p.Research output: Contribution to journal › Article › peer-review
First Report of Hirsutella thompsonii as an Entomopathogenic Fungus of Hemp Russet Mite (Aculops cannabicola) in Kentucky
Ricciardi, M. M., Smith, H., Viloria, Z., Dixon, E., Szarka, D., Pearce, R., Gauthier, N. & Villanueva, R. T., 2024, In: Plant Health Progress. 25, 1, p. 92-94 3 p.Research output: Contribution to journal › Article › peer-review
Maleic hydrazide elicits global transcriptomic changes in chemically topped tobacco to influence shoot bud development
Singh, S. K., Richmond, M. D., Pearce, R. C., Bailey, W. A., Hou, X., Pattanaik, S. & Yuan, L., Sep 24 2020, In: Planta. 252, 4, p. 64Research output: Contribution to journal › Article › peer-review
Management of Pythium myriotylum in burley tobacco transplants and its effect on field productivity
Pearce, R., Barlow, W. & Pfeufer, E., Mar 2023, In: Crop Protection. 165, 106152.Research output: Contribution to journal › Article › peer-review
Maleic hydrazide elicits global transcriptomic changes in chemically topped tobacco to influence shoot bud development
Singh, S. K., Richmond, M. D., Pearce, R. C., Bailey, W. A., Hou, X., Pattanaik, S. & Yuan, L., Oct 1 2020, In: Planta. 252, 4, 64.Research output: Contribution to journal › Article › peer-review
The history and development of non-tillage burley tobacco production in Kentucky, USA
Zou, C., Pearce, R. C., Hu, X. & Zeleznik, J. M., Oct 2013, In: Acta Tabacaria Sinica. 19, 5, p. 125-130 6 p.Research output: Contribution to journal › Article › peer-review
Apparent salt sorption reactions in an unfertilized acid subsoil
Pearce, R. C. & Sumner, M. E., 1997, In: Soil Science Society of America Journal. 61, 3, p. 765-772 8 p.Research output: Contribution to journal › Article › peer-review
Calcium and bicarbonate effects on the growth and nutrient uptake of burley tobacco seedlings: Hydroponic culture
Pearce, R. C., Li, Y. & Bush, L. P., 1999, In: Journal of Plant Nutrition. 22, 7, p. 1069-1078 10 p.Research output: Contribution to journal › Article › peer-review
Calcium and bicarbonate effects on the growth and nutrient uptake of burley tobacco seedlings: Float system
Pearce, R. C., Li, Y. & Bush, L. P., 1999, In: Journal of Plant Nutrition. 22, 7, p. 1079-1090 12 p.Research output: Contribution to journal › Article › peer-review
Occurrence of frogeye leaf spot, caused by Cercospora nicotianae, on greenhouse tobacco transplants in Kentucky
Dixon, E., Kennedy, B., Pearce, R. & Pfeufer, E., May 2018, In: Plant Disease. 102, 5, p. 1036 1 p.Research output: Contribution to journal › Comment/debate
does surface or subsurface tillage influence burley tobacco yield, leaf temperature, or alkaloid content?
Ritchey, E. L., Pearce, R. C. & Grove, J. H., 2015, In: Crop, Forage and Turfgrass Management. 1, 1, p. 1-9 9 p.Research output: Contribution to journal › Article › peer-review
Spatial variability of soil physical properties
Wendroth, O., Ritchey, E. L., Nambuthiri, S., Grove, J. H. & Pearce, R. C., 2011, Encyclopedia of Earth Sciences Series. p. 827-839 13 p. (Encyclopedia of Earth Sciences Series; vol. Part 4).Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review
Cytochrome b Mutations F129L and G143A Confer Resistance to Azoxystrobin in Cercospora nicotianae, the Frogeye Leaf Spot Pathogen of Tobacco
Dixon, E., Barlow, W., Walles, G., Amsden, B., Hirsch, R. L., Pearce, R. & Pfeufer, E. E., Jun 2020, In: Plant Disease. 104, 6, p. 1781-1788 8 p.Research output: Contribution to journal › Article › peer-review
Cover crop termination treatment impacts weed suppression potential
Haramoto, E. R. & Pearce, R., Jan 1 2019, In: Weed Science. 67, 1, p. 91-102 12 p.Research output: Contribution to journal › Article › peer-review
Cover crops are not affected by tobacco soil residual herbicides but also do not provide consistent weed management benefits
Haramoto, E. R., Lowry, C. J. & Pearce, R., Jun 22 2020, In: Weed Technology. 34, 3, p. 383-393 11 p.Research output: Contribution to journal › Article › peer-review
Robert Pearce Scope: Evaluation and Breeding of Diverse Hemp Germplasm for Disease Resistance
Pearce, R. (PI) & Gauthier, N. (CoI)
1/1/24 → 12/31/24
Project: Research project
Evaluation and Breeding of Diverse Hemp Germplasm for Disease Resistance
Gauthier, N. (PI) & Pearce, R. (CoI)
1/1/24 → 12/31/24
Project: Research project
The Agronomy of Hemp and Its Uses in Forage-Animal Agriculture
Pearce, R. (PI)
8/1/21 → 7/31/26
Project: Research project
The Agronomy of Hemp and Its Uses in Forage-Animal Agriculture
Matthews, J. (PI), Adam, E. (CoI), Adams, A. (CoI), Ely, D. (CoI), Gauthier, N. (CoI), Harmon, D. (CoI), Hunt, A. (CoI), Ji, H. (CoI), Kawashima, T. (CoI), Lawrence, L. (CoI), Mark, T. (CoI), McCulley, R. (CoI), McLeod, K. (CoI), Moe, L. (CoI), Page, A. (CoI), Pearce, R. (CoI), Schendel, R. (CoI), Urschel, K. (CoI), Vanzant, E. (CoI), Villanueva, R. (CoI) & Xiong, Y. (CoI)
8/1/21 → 7/31/26
Project: Research project
FFAR Hemp Consortium: Multistate Screening of Triploid CBD Hemp Agronomic Performance and Pollen Sensitivity
Pearce, R. (PI)
North Carolina State University
11/1/21 → 10/31/23
Project: Research project
Evaluation of Cornell Cultivar Performance in Kentucky
Pearce, R. (PI)
5/1/22 → 4/30/24
Project: Research project
Japan Tobacco International Funding
Fisher, C. (PI) & Pearce, R. (CoI)
5/1/20 → 12/31/22
Project: Research project
Defining Impact of Fungicide Resistance and Improving Control of Frogeye Leaf Spot in Tobacco
Pearce, R. (PI) & Wise, K. (CoI)
Burley Tobacco Growers Cooperative Association
1/1/21 → 12/31/22
Project: Research project
Japan Tobacco International Funding
Pearce, R. (PI), Fisher, C. (CoI) & Pfeufer, E. (Former CoI)
5/1/20 → 12/31/22
Project: Research project
Intergated Pest Managment for Field Production of Hemp
Pearce, R. (PI) & Gauthier, N. (CoI)
Pyxus International Incorporated
6/16/20 → 4/4/21
Project: Research project
Impact of Nitrogen Rate on Nine Burley Lines
Pearce, R. (PI)
4/23/18 → 12/31/19
Project: Research project
Low Alkaloid Burley Yield Test: Conservation Tillage
Pearce, R. (PI) & Fisher, C. (CoI)
6/1/14 → 3/31/16
Project: Research project
Conservation tillage management systems for tobacco
Bailey, W. (PI) & Pearce, R. (CoI)
5/9/13 → 5/8/14
Project: Research project
Metabolic Engineering of Isoprenoid Metabolism in Plants: Scope A
Pearce, R. (PI) & Chappell, J. (CoI)
6/1/03 → 5/31/08
Project: Research project
Assessment of the Current Starus of Heavy Metals in Kentucky Soil Routinely Used for Tobacco
Pearce, R. (PI), Matocha, C. (CoI) & Sikora, F. (CoI)
3/1/04 → 11/7/06
Project: Research project