Publications

 

2021

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 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

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

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 postemergence 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 of field soybean in the southeastern US. Agroecosystems, 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 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

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 https://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

Gettys LA, Leon RG (2021) A populations genetics approach for the study of fluridone resistance in hydrilla. Aquatic Invasions 16:28-42

2020

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 Planes. Weed Science 68:582-593

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

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

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

Martin LJ, Sellers BA, Dias JLCS, Ferrell JA, Vendramini JMB, Leon RG (2020) Tolerance of pintoi peanut (Arachis pintoi) to pre- and post-emergence herbicides. Weed Technology 34:870-875

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 http://doi.org/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 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 C and N 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: 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

2019

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 146:182-190

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 115:69-83

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 61:504-509

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

Leon RG, Odero DC (2019) Weed Management in Sugarcane. In Weed control: Sustainability, hazards and cropping systems worldwide. Korres NE, Burgos NR, Duke SO (eds). First edition. CRC Press/Taylor & Francis Group. Pp. 455-469

Leon RG, Jordan DL, Bolfrey-Arku G, Dzomeku I (2019) Sustainable Weed Management in Peanut. In Weed control: Sustainability, hazards and cropping systems worldwide. Korres NE, Burgos NR, Duke SO (eds). First edition. CRC Press/Taylor & Francis Group. Pp. 345-366

2018

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

2017

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

 

2016

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

 

2015

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

 

2014

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 34:224236

Leon RG, Unruh JB, Brecke BJ, Kenworthy KE (2014) Characterization of fluazifop-P-butyl tolerance in zoysiagrass cultivars. Weed Technology 28:385-394

 

2013

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) Absorcion de nutrientes a traves de la hoja. Uniciencia 27:232-244

 

2012

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

 

2011

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

 

2010

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

 

2009

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

 

2008

Leon RG, Ferreira DT (2008) Interspecific differences in weed susceptibility to steam injury. Weed Technology 22:719-723

 

2007

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

 

2006

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

2005

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

2004

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

2003

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

NCSU Weed Science Program