Jones EAL, Dunne JC, Cahoon CW, Jennings KM, Leon RG, Everman WJ (2023) Confirmation and inheritance of glufosinate resistance in a North Carolina Amaranthus palmeri population. Weed Science In review
Weisberger DA, Leon RG, Gruner CE, Levi M, Gaur N, Morgan G, Basinger NT (2023) Demographics of Amaranthus palmeri in annual and perennial cover crops. Weed Science In review
Kulesza SB, Leon RG, Sosinski SC, Kilroy GM, Meis B, Castillo M, Wilson ML (2023) Viable weed seed in poultry litters collected across North Carolina. Agrosystems, Geosciences and Environment Accepted
Huddell A, Needelman B, Law EP, Ackroyd VJ, Bagavathiannan MV, Bradley K, Davis AS, Evans JA, Everman WJ, Flessner M, Jordan N, Schwartz-Lazaro LM, Leon RG, Lindquist J, Norsworthy JK, Shergill LS, VanGessel M, Mirsky SB (2023) Early-season biomass and weather enable robust cereal rye cover crop biomass predictors. Agricultural and Environmental Letters Accepted
Rebong D, Henriquez Inoa S, Moore VM, Reberg-Horton SC, Mirsky S, Murphy JP, Leon RG (2023) Breeding allelopathy in rye (Secale cereale) for weed suppression. Weed Science Accepted
Leon RG, Oreja FH, Mirsky SB, Reberg-Horton C (2023) Addressing biases in replacement series: the importance of reference density selection for interpretation of competition outcomes. Weed Science Accepted
Dobbs AM, Sousa-Ortega C, Holland JB, Unruh Snyder L, Leon RG (2023) Variability structure and heritability of germination timing in Capsella bursa-pastoris (L.) Medik. (Shepherd’s purse). Weed Research Accepted
Sousa-Ortega C, Alcantara MC, Leon R, Barranco-Elena D, Saavedra M (2023) The impact of burial depth on Centaura diluta emergence and modelling of its growth using a non-linear regression and artificial neural network. Pest Management Science Accepted
Leon RG, Bassham DC (2023) PROTAC for agriculture: learning from human medicine to generate new biotechnological weed control solutions. Pest Management Science DOI 10.1002/ps.7741
Dobbs AM, Ginn D, Skovsen SK, Yadav R, Jha P, Bagavathiannan MV, Mirsky SB, Reberg-Horton SC, Leon RG (2023) Using structure-from-motion to estimate cover crop biomass and characterizes canopy structure. Field Crops Research 302:109099 https://doi.org/10.1016/j.fcr.2023.109099
Ethridge SR, Grieger K, Locke AM, Everman WJ, Jordan DL, Leon RG (2023) Views of RNAi approaches for weed management in turfgrass systems. Weed Science 71:344-352
Sousa-Ortega C, Leon RG, Lopez-Martinez N, Castro-Valdecantos P (2023) Influence of burial depth and soil disturbance on the emergence of common weed species in the Iberian Peninsula. Weed Science 71:369–377. doi:10.1017/wsc.2023.30
Ethridge SR, Chandra S, Everman WJ, Jordan DL, Locke AM, Owen MDK, Leon RG (2023) Changes in the herbicide sensitivity and competitive ability of Abutilon theophrasti over 28 years: Implications for hormesis and weed evolution. Pest Management Science 79:4048-4056
Howell AW, Haug EJ, Everman WJ, Leon RG, Richardson RJ (2023) Low carrier volume herbicide trials and UAAS support management efforts of giant salvinia (Salvinia molesta); a case study. Invasive Plant Science Management 16:130–138. doi:10.1017/inp.2023.16
Thum RA, Sperry BP, Chorak GM, Leon RG, Ferrell J (2023) Confusion and ambiguity with the terms “resistance” and “tolerance” in aquatic plant management. Weed Science 71:279–283. doi:10.1017/wsc.2023.28
Howell AW, Leon RG, Everman WJ, Mitasova H, Nelson SAC, Richardson RJ (2023) Performance of unoccupied aerial application systems for aquatic weed management: Two novel case studies. Weed Technology 37:277–286. doi:10.1017/wet.2023.32
Mahoney DJ, Jordan DL, Leon R, Oreja FH, Roma-Burgos N (2023) Fecundity and maternal effects of Palmer amaranth height following season-long interference in corn, cotton, and peanut. Crop, Forage, and Turfgrass Management 9:e20233 https://doi-org.prox.lib.ncsu.edu/10.1002/cft2.20233
Jones EAL, Andres RJ, Owen MDK, Dunne JC, Cahoon CW, Jennings KM, Leon RG, Everman WJ (2023) Confirmation of a five-way herbicide-resistant Amaranthus tuberculatus population in North Carolina. Weed Research 63:297-304 DOI: 10.1111/wre.12590
Jones EAL, Austin R, Dunne JC, Leon RG, Everman WJ (2023) Discrimination between protoporphyrinogen oxidase-inhibiting herbicide-resistant and herbicide-susceptible redroot pigweed (Amaranthus retroflexus) with spectral reflectance. Weed Science 71:198–205. doi:10.1017/wsc.2023.25
Oreja FH, Hare AT, Jordan DL, Leon RG (2023) Previous crop and herbicide timing application effects on weed populations and yield. Crop, Forage, and Turfgrass Management 9:e20232 https://doi.org/10.1002/cft2.20232
Brainard DC, Haramoto ER, Leon RG, Kells JJ, Van Wychen LR, Devkota P, Jugulam M, Barney JN (2023) A survey of weed research priorities: key findings and future directions. Weed Science 71:330–343. doi: 10.1017/wsc.2023.24
Bashyal M, Mulvaney M, Devkota P, Wilson C, Iboyi J, Leon R, Maltais-Landry G, Boote K (2023) Summer crop rotational effects on carinata nitrogen management in the southeastern USA. Agronomy Journal 115:2030-2043 DOI: 10.1002/agj2.21373
Iboyi JE, Mulvaney MJ, Leon RG, Devkota P, Bashyal M, Balkcom KS, Small IM (2023) Double-cropping effects of Brassica carinata and summer crops: II. Effects of winter cropping history on subsequent summer crop production. Industrial Crops and Products 197:116609 https://doi.org/10.1016/j.indcrop.2023.116609
Jones EAL, Andres RJ, Dunne JC, Leon RG, Everman WJ (2023) Confirmation and detection of novel acetolactate synthase- and protoporphyrinogen oxidase-inhibiting herbicide-resistant redroot pigweed (Amaranthus retroflexus) populations in North Carolina. Weed Science 71:84-94
Moore LD, Jennings KM, Monks DW, Boyette MD, Leon RG, Jordan DL, Ippolito SJ, Blankenship CD, Chang P (2023) Evaluation of electrical and mechanical Palmer amaranth (Amaranthus palmeri) management in cucumber, peanut, and sweetpotato. Weed Technology 37:60-66 https://doi.org/10.1017/wet.2023.1
Camacho ME, Faundez-Urbina CA, Amoozegar A, Gannon TW, Heitman JL, Leon RG (2023) Subsurface lateral solute transport in turfgrass. Agronomy 13:903 https://doi.org/10.3390/agronomy13030903
Ethridge SR, Chandra S, Everman WJ, Jordan DL, Locke AM, Owen MDK, Leon RG (2023) Rapid evolution of competitive ability in giant foxtail (Setaria faberi) over 34 years. Weed Science 71:59-68 doi: 10.1017/wsc.2023.1
Bashyal M, Mulvaney MJ, Crozier CR, Iboyi JE, Perondi D, Post A, Iskandar K, Leon RG, Landry GM, Wilson C, Boote KJ, Devkota P (2022) Brassica carinata nutrient accumulation and partitioning across maturity types and latitude. Crop Science 63:833-851 DOI: 10.1002/csc2.20900
Iboyi JE, Mulvaney MJ, Leon RG, Balkcom KS, Bashyal M, Devkota P, Small IM (2023) Double-cropping effects of Brassica carinata and summer crops: I. Effects of summer cropping history on carinata production. Industrial Crops and Products 193:116364 https://doi.org/10.1016/j.indcrop.2023.116364
Iboyi JE, Mulvaney MJ, Leon RG, Boote kJ, Balkcom KS, Bashyal M, Perondi D, Noia Junior RS, Devkota P, Small IM (2023) Brassica carinata physiological response to land preparation method and seeding rate. Journal of Crop Improvement https://doi.org/10.1080/15427528.2022.2163950
Jones EAL, Austin R, Dunne JC, Leon RG, Everman WJ (2022) Utilization of image-based spectral reflectance to detect herbicide resistance in glufosinate-resistant and –susceptible plants: A proof of concept. Weed Science 70:687-697
Contreras D, Leon RG, Post AR, Everman WJ (2022) Critical period of grass weed control in ALS-tolerant grain sorghum (Sorghum bicolor) is affected by planting date and environment. Frontiers in Agronomy. 4:1014801. doi: 10.3389/fagro.2022.1014801
Ethridge SR, Locke AM, Everman WJ, Jordan DL, Leon RG (2022) Crop physiological considerations for combining variable density planting to optimize seed costs and weed suppression. Weed Science 70:687-697 https://doi.org/10.1017/wsc.2022.62
Dobbs AM, Ginn D, Skovsen SK, Bagavathiannan MV, Mirsky SB, Reberg-Horton SC, Leon RG (2022) New directions in weed research and management using 3-D imaging. Weed Science 70:641-647 http://doi.org/10.1017/wsc.2022.56
Cahoon CW, Jordan DL, Tranel PJ, York AC, Song JE, Riggins C, Seagroves R, Inman M, Everman W, Leon R (2022) In-field assessment of fitness in mixed glyphosate-resistant and -sensitive populations of Amaranthus palmeri. Weed Science 70:663-668 https://doi.org/10.1017/wsc.2022.60
Jones EAL, Contreras DJ, Cahoon CW, Jennings KM, Leon RG, Everman WE (2022) Biological effects on Palmer amaranth surviving glufosinate. Agrosystems, Geosciences and Environment 5:e20315 https://doi.org/10.1002/agg2.20315
Jones EAL, Leon RG, Everman WJ (2022) Control of pervasive row crop weeds with dicamba and glufosinate alone, mixed, or sequentially. Weed Technology 36:733-739
Dobbs AM, Reberg-Horton SC, Unruh Snyder L, Leon RG (2022) Assessing weediness potential of Brassica carinata (A.) Braun in the Southeastern United States. Industrial Crops and Products 188:115611 https://doi.org/10.1016/j.indcrop.2022.115611
Sapkota BB, Popescu S, Rajan N, Leon RG, Reberg-Horton C, Mirsky S, Bagavathiannan MV (2022) Use of synthetic images for training a deep learning model for weed detection and biomass estimation in cotton. Scientific Reports 12:19580 https://doi.org/10.1038/s41598-022-23399-z
Leon RG, Creamer N, Reberg-Horton SC, Franzluebbers AJ (2022) Eradication of Commelina benghalensis in a long-term experiment using a multistakeholder governance model: A case of regulatory concerns defeating ecological management success. Invasive Plant Science Management 15:152-159
Sosinski S, Castillo MS, Kulesza SB, Leon RG (2022) Poultry litter and nitrogen fertilizer effects on productivity and nutritive value of crabgrass. Crop Science 62:2537-2547
Oreja FH, Inman MD, Jordan DL, Vann M, Jennings KM, Leon RG (2022) Effect of cotton herbicide programs on weed population trajectories and frequency of glyphosate-resistant Amaranthus palmeri. Weed Science 70:587-594
Chandra S, Leon RG (2022) Genome-wide evolutionary analysis of putative non-specific herbicide resistance genes and compilation of core promoters between monocots and dicots. Genes 13:1171
Jones EAL, Cahoon CW, Leon RG, Everman WJ (2022) Surveying stakeholder’s perception of glufosinate and use in North Carolina. Weed Technology 36:443-450 doi: 10.1017/wet.2022.31
Reinhardt Piskackova TA, Leon RG (2022) Using weed emergence and phenology models to determine critical control windows for winter grown Brassica carinata. Weed Science 70:495-502 doi: 10.1017/wsc.2022.30
Oreja FH, Inman MD, Jordan DL, Bardhan D, Leon RG (2022) Modeling weed community diversity based on species population density dynamics and herbicide use intensity. European Journal of Agronomy 138:126533
Camacho ME, Gannon TW, Ahmed KA, Mulvaney MJ, Heitman JL, Amoozegar A, Leon RG (2022) Evaluation of imazapic and flumioxazin carryover risk for Brassica carinata establishment. Weed Science 70:503-513 doi: 10.1017/wsc.2022.27
Ethridge SR, Locke AM, Everman WJ, Jordan DL, Leon RG (2022) Response of maize, cotton, and soybean to increased crop density in heterogenous planting arrangements. Agronomy 12:1238 doi.org/10.3390/agronomy1201238
Moore LD, KM Jennings, Monks DW, Leon RG, Boyette MD, Jordan DL (2021) Influence of herbicides on germination and quality of Palmer amaranth (Amaranthus palmeri) seed. Weed Technology 35:786-789 https://doi.org/10.1017/wet.2021.71
Moore LD, Jennings KM, Monks DW, Jordan DL, Boyette MD, Leon RG, Mahoney J, Everman WJ, Cahoon CW. (2021) Susceptibility of Palmer amaranth (Amaranthus palmeri) accessions in North Carolina to atrazine, dicamba, S-metolachlor, and 2,4-D. Crop, Forage, and Turfgrass Management e20136 https://doi.org/10.1002/cft2.20136
Oreja FH, Inman MD, Jordan DL, Leon RG (2021) Population growth rates of weed species in response to herbicide programme intensity and their impact on weed community. Weed Research 61:509-518 https://doi.org/ 10.111/wre.12509
Mahoney D, Jordan D, Hare A, Leon R, Burgos N, Vann M, Jennings K, Everman WJ, Cahoon C (2021) Palmer amaranth (Amaranthus palmeri) growth and seed production when in competition with peanut and other crops in North Carolina. Agronomy 11(9), 1734; https://doi.org/10.3390/agronomy11091734
Ethridge S, Post A, Devkota P, Mulvaney MJ, Leon RG (2021) Characterization of Brassica carinata (A.) Braun tolerance to select herbicides using field dose-response studies. Weed Technology 35:957-966 doi: 10.1017/wet.2021.57
Leon RG, van der Laat R (2021) Population and quantitative genetic analyses of life-history trait adaptations in Amaranthus palmeri S. Watson. Weed Research 61:342-349 DOI: 10.1111/wre.12492
Maia LOR, Shaddox TW, Leon RG, Unruh JB (2021) Nitrogen leaching and Tifway bermudagrass response to simultaneous nutrient and preemergence herbicide applications. Journal of Environmental Quality 50:1419-1429 https://doi.org/10.1002/jeq2.20297
Bashyal M, Mulvaney MJ, Lee D, Iboyi JE, Leon RG, Landry GM, Wilson C, Boote KJ (2021) Brassica carinata biomass, yield and seed chemical composition response to nitrogen rates and timing on southern coastal plain soils in the United States. Global Change Biology – Bioenergy 13:1275-1289
Moore LD, Jennings KM, Monks DW, Jordan DL, Leon RG, Boyette MD (2021) Evaluating shade cloth to simulate Palmer amaranth (Amaranthus palmeri) competition in sweetpotato. Weed Science 69:478-484 doi:10.1017/wsc.2021.21
Cockson P, Veazie P, Davis M, Barajas G, Post A, Crozier CR, Leon RG, Patterson R, Whipker BE (2021) The impacts of micronutrient fertility concentrations on the mineral uptake and growth of Brassica carinata. Agriculture 11:221 https://doi.org/10.3390/agriculture11030221
Moore LD, Jennings KM, Monks DW, Leon RG, Jordan DL, Boyette MD (2021) Safety and efficacy of linuron with or without an adjuvant or S-metolachlor for POST control of Palmer amaranth (Amaranthus palmeri) in sweetpotato. Weed Technology 35:471-475
Reyes-Cabrera J, Erickson JE, Leon RG (2021) Biochar affects soil water content, but not soybean yield in a sandy southeastern U.S. soil. Agrosystems, Geosciences and Environment https://doi.org/10.1002/agg2.20197
Reinhardt Piskackova TA, Reberg-Horton C, Richardson RJ, Jennings KM, Franca L, Young BG, Leon RG (2021) Windows of action for controlling Palmer amaranth (Amaranthus palmeri) using emergence and phenology models. Weed Research 61:188-198 DOI: 10.1111/wre.12470
Tiwari R, Reinhardt Piskackova TA, Devkota P, Mulvaney MJ, Ferrell JA, Leon RG (2021) Emergence patterns of winter and summer annual weeds in Ethiopian mustard (Brassica carinata) cropping systems. Weed Science 69:446-453 doi:10.1017/wsc.2021.21
Gonçalves C, McElroy J, Brown A, McCullough P, Leon R, Kelly S, Baker R, McCarty B (2021) A granular fertilizer carrier impregnated with metsulfuron injures centipedegrass when applied at excessive rates. Crop, Forage and Turfgrass Management 2021;7:e200091 doi:10.1002/cft2.20091
Iboyi JE, Mulvaney MJ, Balkcom KS, Seepaul R, Bashyal M, Perondi D, Leon RG, Devkota P, Small IM, George S, Wright DL (2021) Tillage system and seeding rate effects on the performance of Brassica carinata. Global Change Biology – Bioenergy 13:600-617 DOI: 10.1111/gcbb.12809
Camacho ME, Heitman JL, Gannon TW, Amoozegar A, Leon RG (2021) Seed germination responses to soil hydraulic conductivity and polyethylene glycol (PEG) osmotic solutions. Plant and Soil 462:175-188
Martin LJ, Sellers BA, Devkota P, Ferrell JA, Vendramini JMB, Leon RG (2021) Tolerance of rhizoma perennial peanut to glyphosate and triclopyr. Weed Technology 35:525-531 doi.org/10.1017/wet.2020.126
Tiwari R, Reinhardt Piskackova TA, Devkota P, Mulvaney MJ, Ferrell JA, Leon RG (2021) Growing winter Brassica carinata as part of a diversified crop rotation for integrated weed management. Global Change Biology – Bioenergy 13:425-435 doi: 10.111/gcbb.12799
Gettys LA, Leon RG (2021) A populations genetics approach for the study of fluridone resistance in hydrilla. Aquatic Invasions 16:28-42
Bagavathiannan M, Van Acker R, Gonzalez-Andujar JL, Chantre G, Leon RG, Beckie H, Poggio S, Werle R, Somerville G, Neve P, Schutte B (2020) Simulation models in weed ecology and management: learning and practical outcomes. Agronomy 10:1611, doi:10.3390/agronomy10101611
Mahoney DJ, Jordan DL, Burgos NR, Jennings KM, Leon RG, Vann MC, Everman WJ, Cahoon CW (2020) Susceptibility of Palmer amaranth (Amaranthus palmeri) to herbicides in accessions collected from the North Carolina Coastal Plain. Weed Science 68:582-593 https://doi.org/10.1017/wsc.2020.67
Reinhardt Piskackova TA, Reberg-Horton C, Richardson RJ, Jennings KM, Leon RG (2020) Integrating emergence and phenology models to determine windows of action for weed control: a case study using Senna obtusifolia. Field Crops Research 258:107959 https://doi.org/10.1016/j.fcr.2020.107959
Reinhardt Piskackova TA, Reberg-Horton C, Richardson RJ, Jennings KM, Leon RG (2020) Incorporating environmental factors to describe Raphanus raphanistrum L. seedling emergence and plant phenology. Weed Science 68:627-638 https://doi.org/10.1017/wsc.2020.64
Mahoney DJ, Jordan DL, Hare AT, Burgos NR, Jennings KM, Leon RG, Vann MC, Everman WJ, Cahoon CW (2020) The influence of soybean population and postemergence herbicide application timing on in- and subsequent-season weed control and economic returns. Weed Technology 35:106-112 https://doi.org/10.1017/wet.2020.87
Martin LJ, Sellers BA, Dias JLCS, Ferrell JA, Vendramini JMB, Leon RG (2020) Tolerance of pintoi peanut (Arachis pintoi) to PRE and POST herbicides. Weed Technology 34:870-875 https://doi.org/10.1017/wet.2020.82
Reyes-Cabrera J, Erickson JE, Leon RG, de Quadros DG, Silveira ML, Sollenberger LE (2020) Bahiagrass pasture and elephantgrass bioenergy cropping systems differ in root traits. Agronomy Journal 112:4810-4821 doi: 10.1002/agj2.20382
Leon R (2020) Of Amaranthus palmeri and other demons. A review. ITEA (Spain) 116:241-255
Torra J, Royo-Esnal A, Romano Y, Osuna MD, Leon RG, Recasens J (2020) Amaranthus palmeri a new invasive weed in Spain with herbicide resistant biotypes. Agronomy 10:00993 https://doi.org/10.3390/agronomy10070993
Leon RG, Dunne JC, Gould F (2020) The role of population and quantitative genetics in modern sequencing technologies to understand evolved herbicide resistance and weed fitness. Pest Management Science 77:12-21 https://doi.org/10.1002/ps.5988
Shergill LS, Schwartz-Lazaro LM, Leon R, Ackroyd VJ, Flessner M, Bagavathiannan M, Everman W, Norsworthy JK, VanGessel MJ, Mirsky SB (2020) Current outlook and future research needs for harvest weed seed control in North American cropping systems. Pest Management Science 76:3887-3895 https://doi.org/10.1002/ps.5986
Moore LD, Jennings KM, Monks DW, Boyette MD, Jordan DL, Leon RG (2020) Herbicide systems including linuron for Palmer amaranth (Amaranthus palmeri) control in sweetpotato. Weed Technology 35:49-56 https://doi.org/10.1017/wet.2020.63
Silveira ML, Brandani C, Kohmann MM, Erickson J, Reyes-Cabrera J, Leon RG, Sollenberger LE, Piotto V, Quadros D, Mellos S QS (2020) Short-term effects of bioenergy cropping on soil carbon and nitrogen dynamics in a Florida Ultisol. Soil Science Society of America Journal 84:1233-1246
Hare AT, Jordan DL, Edmisten KL, Leon RG, Post AR, Vann R, Dumphy EJ, Heiniger R, Collins R, Washburn D (2020) Response of agronomic crops to planting date and double cropping with wheat. Agronomy Journal 112:1972-1980
Hare AT, Jordan DL, Leon RG, Edmisten KL, Post AR, Cahoon CW, Everman WJ, Mahoney DJ, Inman MD (2020) Influence of timing and intensity of weed management on crop yield and contribution to weed emergence in cotton the following year. Crop, Forage and Turfgrass Management 6:e220021 https://doi.org/10.1002/cft2.20021
Kumar S, Seepaul R, Mulvaney MJ, Colvin B, George S, Marois JJ, Bennett R, Leon R, Wright DL, Small IM (2020) Brassica carinata genotypes demonstrate potential as a winter biofuel crop in South East United States. Industrial Crops and Products 150:112353 https://doi.org/10.1016/j.indcrop.2020.112353
Jani A, Mulvaney M, Erickson J, Leon R, Wood CW, Rowland D, Enloe HA (2020) Peanut nitrogen credits to winter wheat are negligible under conservation tillage management in the southeastern USA. Field Crops Research 249: https://doi.org/10.1016/j.fcr.2020.107739
Reinhardt Piskackova TA, Reberg-Horton C, Richardson RJ, Jennings KM, Austin R, Leon RG (2020) Creating predictive weed emergence models using repeat photography and image analysis. Plants 9:635 doi:10.3390/plants9050635
Hunter JE III, Gannon TW, Richardson RJ, Yelverton FH, Leon RG (2020) Coverage and drift potential associated with nozzle and speed selection for herbicide applications using an unmanned aerial sprayer. Weed Technology 34:235-240
Hunter JE III, Gannon TW, Richardson RJ, Yelverton FH, Leon RG (2020) Integration of remote weed-mapping and an autonomous spraying unmanned aerial vehicle for site-specific weed management. Pest Management Science 76:1386-1392
Hare AT, Jordan DL, Leon RG, Edmisten KL, Post AR, Mahoney DJ, Washburn D (2019) Impact of weed management on peanut yield and weed populations the following year. Peanut Science 46:182-190
Mahoney DJ, Jordan DL, Hare AT, Leon RG, Vann MC, Burgos NR, Jennings KM (2019) The influence of postemergence herbicide timing and frequency on weed control and soybean yield. Crop, Forage and Turfgrass Management 5:190036. doi:10.2134/cftm2019.05.0036
Mahoney DJ, Jordan DL, Hare AT, Leon RG, Vann MC, Burgos NR, Jennings KM (2019) The effect of nozzle selection and carrier volume on weed control in soybean in North Carolina. Crop, Forage and Turfgrass Management 5:190017. doi:10.2134/cftm2019.05.0037
Price K, Li X, Leon RG, Price A (2019) Cotton response to preplant applications of 2,4-D and dicamba. Weed Technology 34:96-100
Pierre AK, Mulvaney MJ, Rowland DL, Tillman B, Grey T, Iboyi JE, Leon RG, Perondi D, Wood CW (2019) Foliar fertilization as a strategy to increase the proportion of mature pods in peanut (Arachis hypogaea L.). Peanut Science 46:140-147
Reyes-Cabrera J, Erickson JE, Leon RG, Silveira ML, Sollenberger LE (2019) Amending marginal sandy soils with biochar and lignocellulosic fermentation residual sustains fertility in elephantgrass bioenergy cropping systems. Nutrient Cycling in Agroecosystems 155:69-83
Liu W, Kenworthy KE, MacDonald GE, Unruh JB, Trenholm LE, Leon RG (2019) Transgressive segregation and maternal genetic effects of non-target site fluazifop-P-butyl tolerance in Zoysia spp. Weed Science 67:504-509
Liu W, Unruh BJ, Kenworthy KE, MacDonald GE, Trenholm LE, Leon RG (2019) Application timing affects tolerance of zoysiagrass to fluazifop-P-butyl and safening effect of triclopyr. Crop Science 59:1789-1798
Jones EAL, Owen MDK, Leon RG (2019) Influence of multiple herbicide resistance on growth in Amaranthus tuberculatus. Weed Research 59:235-244
Liu W, MacDonald GE, Unruh JB, Kenworthy KE, Trenholm LE, Leon RG (2019) Variation in tolerance mechanisms to fluazifop-P-butyl among selected zoysiagrass lines. Weed Science 67:288-295
Mulvaney MJ, Leon RG, Seepaul R, Wright DL, Hoffman TL (2019) Brassica carinata seeding rate and row spacing effects on morphological, yield and oil quality. Agronomy Journal 111:528-535
Jani AD, Mulvaney MJ, Enloe HA, Erickson JE, Leon RG, Rowland DL, Wood CW (2019) Peanut residue distribution gradients and tillage practices determine patterns of nitrogen mineralization. Nutrient Cycling in Agroecosystems 113:63-76
Jani AD, Mulvaney MJ, Leon RG, Rowland DL, Erickson JE, Wood CW (2018) Conventional harvest index methods may overestimate biomass and nutrient removal from abscising crop species. Communications in Soil Science and Plant Analysis 49:2889-2893
Reinhardt T, Leon RG (2018) Extractable and germinable seed bank methods provide different quantifications of weed communities. Weed Science 66:715-720
Leon RG, van der Laat R (2018) Herbicidal and seed dormancy induction activity of fermentation residual vinasse. Weed Science 66:317-323
Schroeder J, Barrett M, Shaw D, Asmus A,… Leon R, Morichita D, Schutte B, Sprague C, Stahlman P, Steckel L, VanGessel M (2018) Managing herbicide resistance: Listening to the perspective of practitioners. Procedures for conducting listening sessions and an evaluation of the process. Weed Technology 32:489-497
Schroeder J, Barrett M, Shaw D, Asmus A,… Leon RG, Morichita D, Schutte B, Sprague C, Stahlman P, Steckel L, VanGessel M (2018) Managing wicked herbicide-resistance: Lessons from the field. Weed Technology 32:475-488
Pearsaul DG, Leon RG, Sellers BA, Silveira ML, Odero DC (2018) Evaluation of verticutting and herbicides for tropical signalgrass (Urochloa subquadripara) control in turf. Weed Technology 32:392-397
Leon RG, Wright DL (2018) Recurrent changes of weed seed bank density and diversity in crop–livestock systems. Agronomy Journal 110:1069-1078
Bravo W, Leon RG, Ferrell JA, Mulvaney MJ, Wood CW (2018) Evolutionary adaptations of Palmer amaranth (Amaranthus palmeri) to nitrogen fertilization and crop rotation history affect morphology and nutrient use efficiency. Weed Science 66:180-189
Leon RG, Ferrell JA, Mulvaney MJ (2017) Carinata (Brassica carinata) tolerance to preemergence and postemergence herbicides. Weed Technology 31:877-882
Reyes-Cabrera J, Leon RG, Erickson JE, Rowland DL, Silveira ML, Morgan KT (2017) Differences in biomass and water dynamics between a cotton-peanut rotation and a sweet sorghum bioenergy crop with and without biochar and vinasse as soil amendments. Field Crops Research 214:123-130
Sperry BP, Ferrell JA, Leon RG, Rowland DL, Mulvaney MJ, Dias JLCS (2017) Sesame tolerance to preplant applications of 2,4-D and dicamba. Weed Technology 31:590-598
Yarborough JK, Vendramini JMB, Silveira ML, Sollenberger LE, Leon RG, Sellers B, Sanchez JMD, Leite de Oliveira F, Kuhawara F, Gomes V, Cecato U, Soares Filho CV (2017) Potassium and nitrogen fertilization effects on Jiggs bermudagrass herbage accumulation, root-rhizome mass, and tissue nutrient concentration. Crop, Forage and Turfgrass Management doi: 10.2134/cftm2017.04.0029
Reyes-Cabrera, J, Erickson JE, Leon RG, Silveira ML, Rowland DL, Sollenberger LE, Morgan KT (2017) Converting bahiagrass pasture land to elephantgrass bioenergy production enhances biomass yield and water quality. Agriculture, Ecosystems and Environment 248:20-28
Bravo W, Leon RG, Ferrell JA, Mulvaney MJ, Wood, CW (2017) Differentiation of life-history traits among Palmer amaranth populations (Amaranthus palmeri) and its relation to cropping systems and glyphosate sensitivity. Weed Science 65:339-349
Yarborough JK, Vendramini JMB, Silveira ML, Sollenberger LE, Leon RG, Sanchez JMD, Leite de Oliveira F, Kuhawara F, Gomes V, Cecato U, Soares Filho V (2017) Impact of potassium and nitrogen fertilization on bahiagrass herbage accumulation and nutrient concentration. Agronomy Journal 109:1099-1105
Reyes-Cabrera J, Leon RG, Erickson JE, Silveira ML, Rowland DL, Morgan KT (2017) Biochar changes root growth and root distribution of soybean during early vegetative stages. Crop Science 57:454-461
Sperry BP, Ferrell JA, Smith HC, Fernandez VJ, Leon RG, Smith CA (2017) Effect of sequential applications of protoporphyrinogen oxidase (PPO) inhibiting herbicides on Palmer amaranth (Amaranthus palmeri) in peanut (Arachis hypogaea). Weed Technology 31:46-52
Leon RG, Agüero R, Calderón D (2017) Diversity and spatial heterogeneity of weed communities in a sugarcane cropping system in the dry tropics of Costa Rica. Weed Science 65:128-140
Della Torre CJ III, Gettys LA, Haller WT, Ferrell JA, Leon R (2017) Efficacy of aquatic herbicides on rotala (Rotala rotundifolia). Journal of Aquatic Plant Management 55:13-18
Sperry BP, Ferrell JA, Leon RG, Rowland DL, Mulvaney MJ (2016) Influence of planting depth and application timing on S-metolachlor injury in sesame (Sesamum indicum L.). Weed Technology 30:958-964
Leon RG, Mulvaney MJ, Tillman BL (2016) Peanut cultivars differing in growth habit and canopy architecture respond similarly to weed interference. Peanut Science 43:133-140
Fennimore SA, Slaughter DC, Siemens MC, Leon RG, Saber MN (2016) Technology for automation weed control in specialty crops. Weed Technology 30:823-37
Abe DG, Sellers BA, Ferrell JA, Leon RG, Odero DC (2016) Bahiagrass tolerance to aminocyclopyrachlor in Florida. Weed Technology 30:943-948
Abe DG, Sellers BA, Ferrell JA, Leon RG, Odero DC (2016) Tolerance of bermudagrass and stargrass to aminocyclopyrachlor. Weed Technology 30:499-505
Leon RG, Unruh JB, Brecke BJ (2016) Relative lateral movement in surface soil of amicarbazone and indaziflam compared to other preemergence herbicide for turfgrass. Weed Technology 30:229-237
Leon RG, Ferrell JA, Sellers BA (2016) Seed production and control of sicklepod (Senna obtusifolia) and pitted morningglory (Ipomoea lacunosa) with 2,4-D, dicamba, and glyphosate combinations. Weed Technology 30:76-84
Abe DG, Sellers BA, Ferrell JA, Leon RG, Odero DC (2016) Weed control in Florida pastures using aminocyclopyrachlor. Weed Technology 30:271-278
Leon RG, Wright DL, Marois JJ (2015) Weed seed banks are more dynamic in a sod-based than a conventional peanut-cotton rotation. Weed Science 63:877-887
van der Laat R, Owen MDK, Liebman M, Leon RG (2015) Post-dispersal weed seed predation and invertebrate activity-density in three tillage regimes. Weed Science 63:828-838
Berger ST, Ferrell JA, Dittmar PJ, Leon R (2015) Survey of glyphosate- and imazapic-resistant Palmer amaranth (Amaranthus palmeri) in Florida. Crop, Forage & Turfgrass Management DOI:10.2134/cftm2015.0122
Soni N, Leon RG, Erickson JE, Ferrell JA, Silveira ML (2015) Biochar decreases atrazine and pendimethalin preemergence herbicidal activity. Weed Technology 29:359-366
Leon RG, Izquierdo J, González-Andújar JL (2015) Characterization and modelling of itchgrass (Rottboellia cochinchinensis) biphasic seedling emergence patterns in the tropics. Weed Science 63:623-630
Leon RG, Tillman BL (2015) Postemergence herbicide tolerance variation in peanut germplasm. Weed Science 63:546-554
Leon RG, Gilbert RA, Comstock JC (2015) Energycane (Saccharum spp. × S. spontaneum) biomass production, reproduction and weed risk assessment scoring in the humid tropics and subtropics. Agronomy Journal 107:323-329
Soni N, Leon RG, Erickson JE, Ferrell JA, Silveira ML, Giurcanu MC (2014) Vinasse and biochar effects on germination and growth of Palmer amaranth (Amaranthus palmeri), sicklepod (Senna obtusifolia) and southern crabgrass (Digitaria ciliaris). Weed Technology 28:694-702
Ferrell JA, Sellers B, Leon R (2014) Management of spreading pricklypear (Opuntia humifusa) with fluroxypyr and aminopyralid. Weed Technology 28:734-738
Leon RG, McCarty LB, Estes AG (2014) Amicarbazone application timing influences overseeded perennial ryegrass (Lolium perenne) safety and annual bluegrass (Poa annua) control. Applied Turfgrass Science DOI 10.2134/ATS-2014-0042-RS
Leon RG, Ferrell JA, Brecke BJ (2014) Impact of exposure to 2,4-D and dicamba on peanut injury and yield. Weed Technology 28:465-470
Arvai J, Kellon D, Leon R, Gregory R, Richardson R (2014) Structuring international development decisions: Confronting tradeoffs between land-use and community development in Costa Rica. Environmental Systems and Decisions 34:224–236
Leon RG, Unruh JB, Brecke BJ, Kenworthy KE (2014) Characterization of fluazifop-P-butyl tolerance in zoysiagrass cultivars. Weed Technology 28:385-394
Prostko EC, Webster TM, Marshall MW, Leon RG, Grey TL, Ferrell JA, Dotray PA, Jordan DL, Grichar WJ, Brecke BJ (2013) Glufosinate application timing and rate affect peanut yield response. Peanut Science 40:115-119
Ferrell JA, Leon RG, Sellers B, Rowland D, Brecke B (2013) Influence of lactofen and 2,4-DB combinations on peanut injury and yield. Peanut Science 40:62-65
Richardson RB, Kellon D, Leon RG, Arvai J (2013) Using choice experiments to understand household tradeoffs regarding pineapple production and environmental management in Costa Rica. Journal of Environmental Management 127:308-316
Murillo Castillo RG, Piedra Marin G, Leon RG (2013) Absorción de nutrientes a través de la hoja. Uniciencia 27:232-244
Leon RG, Kellon D (2012) Characterization of ‘MD-2′ pineapple planting density and fertilization using a grower survey. HortTechnology 22:644-650
Mauaie VE, Leon R (2012) Evaluacion fisiologica de las propiedades nutritivas del fungicida propineb en banano (Musa spp.) Tierra Tropical. 8:229-235
Tuñón PA, Espinoza JL, Leon R (2012) Evaluación de cultivares de caña energética para producción de biomasa en primera soca. Tierra Tropical 8:179-188
Sanguankeo PP, Leon RG (2011) Weed management practices determine plant and arthropod diversity and seed predation in vineyards. Weed Research 51:404-412
Ramos O, Vaquero R, Leon R, Ayuso F (2011) Efecto de tres especies de cobertura viva en el control de malezas en una plantacion de banano organico (Musa AAA cv Williams). Tierra Tropical 7:1-10
Leon RG, Gilbert RA, Korndorfer PH, Comstock JC (2010) Selection criteria and performance of energycane clones (Saccharum spp. × S. spontaneum) for biomass production under tropical and sub-tropical conditions. CEIBA 51:11-16
Morgan KT, Gilbert RA, Helsel ZA, Baucum L, Leon R, Perret J (2010) White paper report from working groups attending the international conference on research and educational opportunities in bio-fuel crop production. Biomass and Bioenergy 34:1968-1972
Zafra G, Condori G, Leon R, Ulloa O (2010) Efecto de la intensidad de la labranza sobre las caracteristicas del suelo y la produccion de maiz. Tierra Tropical 6:79-86
Sanguankeo PP, Leon RG, Malone J (2009) Impact of weed management practices on grapevine growth and yield components. Weed Science 57:103-107
Laforest S, Vedia M, Leon R (2009) Alternativas de control para el manejo de malezas en banano organico en establecimiento. Tierra Tropical 5:225-235
Leon RG, Ferreira DT (2008) Interspecific differences in weed susceptibility to steam injury. Weed Technology 22:719-723
Leon RG, Bassham D, Owen MDK (2007) Thermal and hormonal regulation of the dormancy-germination transition in Amaranthus tuberculatus seeds. Weed Research 47:335-344
Leon RG, Owen MDK (2006) Tillage systems and seed dormancy effects on common waterhemp (Amaranthus tuberculatus) seedling emergence. Weed Science 54:1037-1044
Leon RG, Bassham D, Owen MDK (2006) Inheritance of deep seed dormancy and stratification-mediated dormancy alleviation in Amaranthus tuberculatus. Seed Science Research 16:193-202
Leon RG, Bassham D, Owen MDK (2006) Germination and proteome analyses reveal intra-specific genetic variation in seed dormancy regulation of common waterhemp (Amaranthus tuberculatus). Weed Science 54:305-315
Leon RG, Owen MDK, Soh D, Tylka G (2005) Absence of interactive responses of early soybean (Glycine max) growth to soybean cyst nematode (Heterodera glycines), post-emergence herbicides and soil pH and texture. Weed Technology 19:847-854
Leon RG, Owen MKD (2004) Artificial and natural seed banks differ in seedling emergence patterns. Weed Science 52:531-537
Leon RG, Knapp AD, Owen MDK (2004) Effect of temperature on the germination of common waterhemp (Amaranthus tuberculatus), giant foxtail (Setaria faberi), and velvetleaf (Abutilon theophrasti). Weed Science 52:67-73
Leon RG, Owen MDK (2003) Regulation of weed seed dormancy through light and temperature interactions. Weed Science 51:752-758
2001
Leon R, Aguero R (2001) Efecto de distintos tipos de labranza sobre la población de malezas en el Agroecosistema de la caña de azúcar (Saccharum officinarum L.). Agronomía Mesoamericana 12(1):71-77
Leon R, Aguero R (2001) Efecto de la profundidad del suelo sobre el establecimiento de plantas de Rottboellia cochinchinensis (Lour.) Clayton en el Agroecosistema de la caña de azúcar (Saccharum officinarum L.). Agronomía Mesoamericana 12(1):65-69