Faculty Directory

Nilda Roma Burgos

Nilda Roma Burgos


(DREX)-Director Experiment Station

(CSES)-Crop, Soil and Environmental Sciences

Phone: 479-575-3984

Fax: (479) 575-3975

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Professional Background

  • Professor, University of Arkansas, Weed Physiology, July 2010 to present
  • Associate Professor, University of Arkansas, Weed Physiology, July 2003 to June 2010
  • Assistant Professor, University of Arkansas, Weed Physiology, July 1998 to June 2003
  • Field Biologist, Zeneca Ag Products, Champaign, IL, May 1997 to June 1998
  • Research Associate, University of Southern Mindanao, Philippines, 1986 to 1991
  • Research Assistant, Visayas State College of Agriculture, Leyte, Philippines, 1983 to 1985


Research Emphasis

  • Weed Resistance to Herbicides - ecology, biology, physiology (resistance mechanisms), population genetics, genomics
    • Amaranthus palmeri
    • Echinochloa species
    • Lolium perenne ssp. multiflorum
    • Sorghum halepense
    • Fimbristylis miliacea
  • Fitness of resistant weeds
  • Weedy rice and rice interaction - gene flow, ecological adaptation; resistance evolution, population genetics 
    • Volunteer rice management 
    • Seed longevity in soil
  • Sweet sorghum - Weed management and production practices
  • Weed management, crop rotation options, varietal tolerance to herbicides of edamame soybean
  • Specialty_Crops_p95-97_Nilda_Roma_Burgos(final).pdf   Herbicide-resistant ryegrass in the southern U.S
  • Herbicide options for specialty crops other than edamame soybean - cowpea, spinach, southern greens (collard, kale, mustard, turnip greens); cabbage, cauli flower, snapbeans; tomato; cucurbits; sweet potato; etc.  This is under the auspices of the IR-4 program.

Mentoring Students in Study Abroad Programs. Served as one of the Faculty mentors for the University of Arkansas pioneering Service Learning Community Development Program in Belize from 2006 to 2011. Initiated an International Research Experience Program for the College of Agriculture in 2012. Students participating in this program had gone to Southern Brazil and the Philippines.

Courses Taught  (Current)

  • CSES 4133 Ecology and Morphology of Weedy and Invasive Plants – every fall since 2011
  • CSES 5001 Weed Science Practicum (team taught) – every summer since 1999
  • CSES 5023 Physiology of Plant and Herbicide Interaction – every odd spring starting 2015
  • CSES 4013 Advanced Crop Science (team taught) – fall, even years, since 2014
  • CSES 402V/502V Special Project: International Research Experience (team taught) – summer 2012 to present

Courses Taught - Previous

  • CSES 4143 Principles of Weed Control (team taught) – every spring, 2000 to 2006
  • ENTO 511 Impact of Pesticides in Agriculture (team taught) – spring 2003
  • CSES 5210L Research Techniques in Agronomy (team taught) – fall 2003
  • CSES 504v  Advanced Topics in Cotton Science (team taught) – spring 2006
  • CSES 5043 Weed Management (team taught) - spring 2007
  • HUMN 4253H Community Development in a Global Context: An International Service Learning Project (team taught) – spring 2007, 2008, 2009
  • CSES 402V/AGEC 402V/AFLS 401VH Special project (team taught): Development of a sustainable vegetable farm at St. Matthew’s Elementary School, Pomona, Belize – summer 2007, 2008, 2009, 2010


  • Ph.D. in Agronomy 1997, specializing in Weed Science, University of Arkansas, Fayetteville
  • M.S. in Agronomy 1994, specializing in Weed Science, University of Arkansas, Fayetteville
  • Bachelor’s degree in Agriculture 1983, Soil Science major, Visayas State College of Agriculture (now Visayas State University), Leyte, Philippines

Refereed Publications

(*Graduate student advisee; #Graduate student co-advised; § Undergraduate honor student mentored; ± Dr. Burgos as corresponding author)

A. Book and Book chapters:

  1. Singh V, S Zhou, Z Ganie, B Valverde, L Avila, E Marchesan, A Merotto, G Zorrilla, N Burgos, J Norsworthy, and M Bagavathiannan. 2017. Rice Production in the Americas. Pp 137-168.

  2. Ziska HL, DR Gealy, NR Burgos, AL Caicedo, J Gressel, AL Rauh, LA Avila, G Theisen, J Norsworthy, A Ferrero, F Vidotto, DE Johnson, FG Ferreira, E Marchesan, V Menezes, MA Cohn, S Linscombe, L Carmona, R Tang and A Merotto (2015). Weed (Red) Rice: An Emerging Constraint to Global Rice Production. In: Advances in Agronomy, Chapter 3, pp. 181-228

  3. Delouche JC, NR Burgos, DR Gealy, G Zorilla-San Martin, R Labrada, and M Larinde (2007).Weedy rices: Origin, biology, ecology and control.Food and Agric. Org. (FAO) of the United Nations, Rome, Italy.122 pages.

  4. Burgos NR, RE Talbert and YI Kuk (2005).  Grass-legume mixed cover crops for weed management.  In: Singh HP, Batish DR, and Kohli RK, eds., Handbook of Sustainable Weed Management, 966 pp.  Haworth Press, Inc., USA.

B. Refereed Journal Articles:

  1. Kanapeckas KL, CC Vigueira, A Ortiz, KA Gettler, NR Burgos, AJ Fischer, and AL Lawton-Rauh (2016). Escape to ferality: The endoferal origin of weedy rice from crop rice through de-domestication. PLoS ONE 11(9): e0162676. doi:10.1371/journal. pone.0162676

  2. Takano HR, RSM de Oliveira Jr., J Constantin, GBP Braz, LHM Franchini, NR Burgos (2016). Multiple resistance to atrazine and imazethapyr in hairy beggarticks (Bidens pilosa). Ciência e Agrotecnologia 40(2):155-163

  3. Singh V, NR Burgos±, S Singh, DR Gealy, EE Gbur, and AL Caicedo (2016). Impact of volunteer rice infestation on yield and grain quality of rice. Pest Manag Sci.  DOI 10.1002/ps.4343

  4. Korres NE, JK Norsworthy, P Tehranchian, TK Gitsopoulos, DA Loka, DM Oosterhuis, DR Gealy, SR Moss, NR Burgos, MR Miller, M Palhano. (2016). Cultivars to face climate change effects on crops and weeds: A review. Agron. Sustain. Dev. (2016) 36:12

  5. Singh V, Burgos NR±, Singh S, Abugho S, Earnest L, Gbur E, Scott R. (2016) Herbicide and winter flood treatments for controlling volunteer rice off-season. Crop Prot 79:87-96.

  6. Salas RA, NR Burgos±, PJ Tranel, S Singh, L Glasgow, RC Scott, RL Nichols. (2016). Resistance to PPO-inhibiting herbicide in Palmer amaranth from Arkansas. Pest Manag Sci. (wileyonlinelibrary.com) DOI 10.1002/ps.4241

  7. Burgos NR± and SO Duke (Editors.) (2015) Research Methods Collection, Weed Science Society of America. 2015. Comprised of 13 Chapters. Available at http://wssajournals.org/page/research-methods-collection

  8. Burgos NR. (2015) Whole-Plant and Seed Bioassays for Resistance Confirmation
    Weed Sci. 63:sp1 (Special Issue 2015) pp. 152-165. Available at http://wssajournals.org/doi/pdf/10.1614/WS-D-14-00019.1

  9. Gealy DR, NR Burgos, KM Yeater, and Aaron K. Jackson (2015) Outcrossing potential between U.S. blackhull red rice and indica rice cultivars. Weed Sci. 63(3): 647-657. DOI: http://dx.doi.org/10.1614/WS-D-14-00150.1

  10. Martini FL*, NR Burgos±, JA Noldin, JA de Avila, RA Salas (2015) Absorption, translocation and metabolism of bispyribac-sodium on rice seedlings under cold stress. Pest Manag. Sci. 71:1021-1029. DOI 10.1002/ps.3882

  11. Schaedler CE*, NR Burgos, JA Noldin, EA Alcober, RA Salas, D Agostinetto (2015) Competitive ability of ALS-inhibitor herbicide-resistant Fimbristylis miliacea. Weed Res. DOI: 10.1111/wre.12161

  12. Bevilacqua C*, S Basu, A Pereira, TM Tseng*, PD Zimmer, NR Burgos± (2015) Analysis of Stress-Responsive Gene Expression in Cultivated and Weedy Rice Differing in Cold Stress Tolerance. PLoS ONE 10(7): e0132100. doi:10.1371/journal.pone.0132100

  13. Burgos NR, V Singh, TM Tseng, HL Black, ND Young, Z Huang, KE Hyma, D Gealy, AL Caicedo* (2014) The Impact of Herbicide-Resistant Rice (Oryza sativa L.) Technology on Phenotypic Diversity and Population Structure of US Weedy Rice. Plant Physiol. Special Issue Plant Physiol. 166:1208-1220. DOI:10.1104/pp.114.242719

  14. Lu Y, NR Burgos±, W Wang, and L Yu. 2014. Frequencies of transgene flow from glufosinate-resistant rice to rice cultivars and weedy rice ecotypes in China. Rice Sci. 21(5): 271-281

  15. Gressel J, Stewart CN, Giddings LV, Fischer AJ, Streibig JC, Burgos NR, Trewavas A, Merotto A, Leaver CJ, Ammann Klaus, Moses V, Lawton-Rauh A. 2014. Overexpression of epsps transgene in weedy rice: insufficient evidence to support speculations about biosafety

  16. Botha, G.M.*, N.R. Burgos±, E.E. Gbur, E.A. Alcober*, R.A. Salas* and R.C. Scott. 2014. Interaction of Glufosinate with 2,4-D, dicamba, and tembotrione on glyphosate-resistant Amaranthus palmeri. American J. Exp. Agric. 4(4): 427-442
  17. Sudianto, E., B-K Song, T-X Neik, N.E. Saldain, R.C. Scott, NR Burgos±. 2013. Clearfield_ rice: Its development, success, and key challenges on a global perspective. Crop Prot. 49:40-51. (Review article).

  18. Burgos, N. R. ±, P. J. Tranel, J. C. Streibig, V. M. Davis, D. Shaner, J. K. Norsworthy, and C. Ritz. 2013. Confirmation of resistance to herbicides and evaluation of resistance levels. Weed Sci. 61(1): 17 pages. (Review article)

  19. Tseng TM*, NR Burgos±, VK Shivrain, EA Alcober, A Mauromoustakos. 2013. Inter- and intrapopulation variation in dormancy of Oryza sativa (weedy red rice) and allelic variation in dormancy-linked loci. Weed Res. 53:440-451.

  20. Salas, R.A.*, N.R. Burgos±, A. Mauromoustakos, R.B. Lassiter, R.C. Scott and E.A. Alcober*. 2013. Resistance to ACCase and ALS inhibitors in Lolium perenne ssp. multiflorum in the United States. J. Crop and Weed. 9(1):168-183. (Invited article)

  21. Salas, R. A.*±. 2012. EPSPS gene amplification in glyphosate-resistant Italian ryegrass (Lolium perenne ssp. multiflorum) from Arkansas. Pest Manag. Sci. 68:1223-1230

  22. Brandenberger, L., N. Burgos, M. Payton, T. Morelock, D. Motes, S. Eaton, L. Martin, and L. Carrier.

  23. Vencill, W. K., R. L. Nichols, T. M. Webster, J. K. Soteres, C. Mallory-Smith, N. R. Burgos, W. G. Johnson, and M. R. McClelland. 2012. Herbicide resistance: Toward an understanding of resistance development and the impact of herbicide-resistant crops. Weed Sci. 60(sp1):2-30. (Review article – most read)

  24. Norsworthy, J.K., S.M. Ward, D. R. Shaw, R.S. Llewellyn, R.L. Nichols, T.M. Webster, K.W. Bradley, G. Frisvold, S.B. Powles, N.R. Burgos, W.W. Witt., and M. Barrett. 2012. Reducing the risks of herbicide resistance: Best management practices and recommendations. Weed Sci. 60(sp1):31-62. (Review article – most read)

  25. Shin, J.S., Kim, K.-M., Lee, D.J., Lee, S.B., Burgos, N.R., Kuk, Y.I. 2011. Resistance levels and fitness of glufosinate-resistant transgenic sweet potato in field experiments. Field Crops Res. 121:324-332.

  26. Burgos, N.R. ±, V.K. Shivrain*, R.C. Scott, A. Mauromoustakos, Y.I. Kuk, M. A. Sales*, J. Bullington*. 2011. Differential tolerance of weedy red rice (Oryza sativa L.) from Arkansas, USA to glyphosate. Crop Prot. 30:986-994.

  27. Burgos, N.R. ±, D.O. Stephenson#, IV, H.A. Agrama, L.R. Oliver, J.A. Bond. 2011.  A survey of genetic diversity of the weedy species Ipomoea lacunosa L. in the USA mid-south. Amer. J. of Plant Sci. 2(3):396-407.

  28. Bagavathiannan, M.V., J.K. Norsworthy, K.L. Smith, and N.R. Burgos. 2011. Seedbank size and emergence pattern of barnyardgrass (Echinochloa crus-galli) in Arkansas. 59(3):359-365.

  29. Lamego, F. P.#, R. A. Vidal and N. R. Burgos. 2011. Competitiveness of ALS inhibitor-resistant and -susceptible biotypes of greater beggarticks (Bidens subalternans). Planta Daninha, 29:457-464.

  30. Sales, M.A.*, N.R. Burgos±, V.K. Shivrain, and B. Murphy. 2011. Morphological and physiological responses of weedy red rice (Oryza sativa L.) and cultivated rice (O. sativa) to N supply. Amer. J. Plant Sci. 2(4): 569-577.

  31. Dickson, J.W.#, R.C. Scott, N.R. Burgos±, R.A. Salas*, and K.L. Smith. 2011. Confirmation of glyphosate-resistant Italian ryegrass (Lolium perenne ssp. multiflorum) in Arkansas. Weed Technol. 25(4):674-679.

  32. Shivrain, V.K.*, N.R. Burgos±, H.A. Agrama, A. Lawton-Rauh, B. LU, M.A. Sales*, V. Boyett, D.R. Gealy and K.A.K. Moldenhauer. 2010. Genetic diversity of weedy rice (Oryza sativa) in Arkansas, USA. Weed Res. 50:289-302.

  33. Shivrain, V.K.*, N.R. Burgos±, R.C. Scott, E.E. Gbur Jr., L.E. Estorninos Jr., M.R. McClelland. 2010. Phenotypic diversity of weedy red rice (Oryza sativa L.) in Arkansas, U.S.A. in relation to weed management. Crop Prot. 29:721-730.

  34. H.I. Jung, Y.I. Kuk, H.Y. Kim, K. Back, D.J. Lee, S. Lee, N.R. Burgos. 2010. Resistance levels and fitness of protoporphyrinogen oxidase (PROTOX) inhibitor-resistant transgenic rice in paddy fields. Field Crops Res. 115:125–131.

  35. Shivrain, V.K.*, N.R. Burgos±, M.A. Sales*, and Y.I. Kuk. 2010.Polymorphisms in the ALS gene of weedy rice accessions with different tolerance to imazethapyr. Crop Prot. 29(4):336-341.

  36. Malik, M.S.#, N.R. Burgos, and R.E. Talbert. 2010. Confirmation and control of propanil-resistant and quinclorac-resistant barnyardgrass in rice. Weed Technol. 24:226-233.

  37. Ribas AV, FP Lamego, MM Trezzi, R dePrado, NR Burgos. 2010. Herbicide-resistant weed management using sensitivity analysis of the weed population growth curve. Pesticidas: r. ecotoxicol. e meio ambiente, Curitiba 20:7-16.

  38. Lawton-Rauh A. and N.R. Burgos. 2010. Cultivated and weedy rice interactions and domestication process. Molec. Ecol., 19 (16): 3243-3245.

  39. Shivrain, V. K.*, N. R. Burgos±, D. R. Gealy, K. L. Smith, R. C. Scott, A. Mauromoustakos, and H. Black.2009.Red rice (Oryza sativa L.) emergence characteristics and influence on rice (O. sativa L.) yield at different planting dates. Weed Sci. 57:94-102.

  40. Shivrain, V.K.*, N.R. Burgos±, M.A. Sales*, A. Mauromoustakos, D.R. Gealy, K.L. Smith, H.L. Black, and M. Jia. 2009. Factors affecting the outcrossing rate between ClearfieldTM rice and red rice (Oryza sativa). Weed Sci. 57:394-403.

  41. Shivrain, V.K.*, N.R. Burgos±, D.R. Gealy, M.A. Sales*, and K.L. Smith. 2009. Gene flow from weedy rice (Oryza sativa L.) to cultivated rice and fitness of hybrids. Pest Manag. Sci. DOI 10.1002/ps.1802

  42. Lamego, F.A.#, D. Charlson, C.A. Delatorre, N.R. Burgos, and R.A. Vidal. 2009. Molecular basis of resistance to ALS-inhibitor herbicides in Bidens subalternans. Weed Sci. 57: 474–481.

  43. Lamego, F.P. #, R.A. Vidal, N.R. Burgos, and L.C. Federicci. 2009. DOI: 10.1111/j.1365-3180.2009.00734.x

  44. Shivrain, V. K.*, N. R. Burgos±, D. R. Gealy, K. A. K. Moldenhauer, and C. J. Baquireza. 2008. Maximum outcrossing rate and genetic compatibility between red rice (Oryza sativa) biotypes and ClearfieldTM rice. Weed Sci.56:807-813.

  45. Kuk, Y. I., N. R. Burgos±, and V. K. Shivrain*.2008.Natural tolerance to imazethapyr in red rice.Weed Sci. 56:1-11.

  46. Zhang, J.#, N.R. Burgos, M, Kun, Y.J. Zhou, R.M. Geng, and L. Yu. 2008. Genetic diversity and relationship of weedy rice in Taizhou City, Jiangsu Province, China. Rice Sci. 15:395-302.

  47. Burgos, N. R., J. K. Norsworthy, R. C. Scott, and K. L. Smith. 2008.  Red rice status after five years of ClearfieldTM rice technology in Arkansas. Weed Technol. 22:200-208.

  48. Jung, H. I., Y. I. Kuk, K. Back, and N. R. Burgos. 2008. Resistance pattern and antioxidant enzyme profiles of protoporphyrinogen oxidase (PROTOX) inhibitor-resistant transgenic rice. Pestic. Biochem. Physiol. 91:53-65.

  49. Sales, M. A.*, V. K. Shivrain*, N. R. Burgos±, and Y. I. Kuk. 2008. Amino acid substitutions in the acetolactate synthase gene of red rice confer resistance to imazethapyr herbicide. Weed Sci. 56:485-489.

  50. Kuk, Y. I., N. R. Burgos±, and R. C. Scott. 2008.Resistance profile of diclofop-resistant Italian ryegrass to ACCase and ALS inhibiting herbicides in Arkansas, U.S.A. Weed Sci. 56:614-623.

  51. Norsworthy JK, et al. (including Burgos, N. R.). 2008. Confirmation and control of glyphosate-resistant Palmer amaranth (Amaranthus palmeri) in Arkansas, Weed Technology. 22, 108-113.

  52. Zhang, Z.B., N. R. Burgos, J. P. Zhang, and L. Q. Yu. 2007.Biological control agent for rice weeds from protoplast fusion between Curvularia lunata and Helminthosporium gramineum.Weed Sci. 55:599-605.

  53. Shivrain, V. K.*, N. R. Burgos±, M. M. Anders, S. N. Rajguru, J. Moore, and M. A. Sales.2007.Gene flow between Clearfield rice and red rice. Crop Prot. 26:349-356.

  54. Kuk, Y. I. and N. R. Burgos±.2007.Cross-resistance profile of mesosulfuron-methyl-resistant Italian ryegrass in southern United States.Pest Manag. Sci. 63:349-357.

  55. Talbert, R. E. and N. R. Burgos.2007.History and management of herbicide-resistant barnyardgrass (Echinochloa crus-galli) in Arkansas rice.Weed Technol. 21:324-331.

  56. Burgos, N. R., L. P. Brandenberger, E. N. Stiers, V. K. Shivrain, D. R. Motes, L. Wells, S. Eaton, L. W. Martin, and T. E. Morelock.  2007.  Tolerance of selected advanced cowpea (Vigna unguiculata L.) breeding lines to fomesafen.  Weed Technol. 21: 863-868

  57. Norsworthy, J. K., N. R. Burgos, R. C. Scott, and K. L. Smith. 2007. Consultant perspectives on weed management needs in Arkansas rice. Weed Technol. 21:832-839.

  58. Burgos, N. R., R. J. Norman, D. R. Gealy, and H. R. Black.  2006.  Competitive N uptake between rice and weedy rice.  Field Crops Res. 99:96-105.

  59. Counce, P. A. and N. R. Burgos.2006.Agronomic practices in addition to herbicides for improving weed control in dry-seeded flooded rice.J. Sustainable Agric. 28(3): 145-156.

  60. Shin, J. S., H. I. Jung, J. A. Guh, T. E. Hwang, K. S. Min, Y. I. Kuk, S. Jung, and N. R. Burgos.2006.Mechanism of paraquat tolerance in cucumber leaves of various ages.Weed Sci. 54:6-15.

  61. Shivrain, V. K.*, N. R. Burgos±, K. A. K. Moldenhauer, R. W. McNew, and T. L. Baldwin.2006.Characterization of spontaneous crosses between Clearfield rice (Oryza sativa) and red rice (O. sativa).Weed Technol. 20:576-584.

  62. Burgos NR, Culpepper S, Dotray P, Kendig JA, Wilcut J, and Nichols R. 2006. Managing herbicide resistance in cotton cropping systems. Reviewed by: Beckie H, Denholm I, Dennehy T, Glasgow L, Mallory-Smith C, Owen M, Powles S, Preston C, Shaner D, and York A. Cotton Inc. Tech. Bull. 4 pp.

  63. Stephenson, D. O. IV, L. R. Oliver, N. R. Burgos, and E. E. Gbur, Jr. 2006.Identification and characterization of pitted morningglory (Ipomoea lacunosa) ecotypes.Weed Sci. 54:78-86.

  64. Rajguru, S. N., N. R. Burgos±, V. K Shivrain, and J.McD. Stewart.2005.Mutations in red rice ALS gene associated with resistance to imazethapyr.Weed Sci. 53:567-577.

  65. Norsworthy, J. K., L. Brandenberger, N. R. Burgos, and M. Riley. 2005.Weed suppression in Vigna unguiculata with a spring-seeded Brassicaceae green manure.Crop Prot. 24:441-447.

  66. Burgos, N. R., R. E. Talbert, K. S. Kim, and Y. I. Kuk. 2004.  Seedling growth inhibition and root ultrastructure of cucumber seedlings exposed to allelochemicals from rye.  J  Chem. Ecol.  30:671-689.

  67. Kuk, Y.I., K. H. Kim, O. D. Kwon, D. J. Lee, N. R. Burgos, S. Jung, and J. O. Guh.2004.Cross-resistance pattern and alternative herbicides for Cyperus difformis resistant to sulfonylurea herbicides in Korea.Pest Manag. Sci. 60:85-94.

  68. Kuk, Y.I., H. I. Jung, O. D. Kwon, D. J. Lee, N. R. Burgos, and J. O. Guh. 2003.Rapid diagnosis of resistance to sulfonylurea herbicides in Monochoria vaginalis Presl.Weed Sci.51:305-311.

  69. Kuk, Y.I., J. H. Lee, H. Y. Kim, S. J. Chung, G. C. Chung, J. O. Guh, H. J. Lee, and N. R. Burgos. .Relationships of cold acclimation and antioxidative enzymes with chilling tolerance in cucumber (Cucumis sativus L.).Amer. Soc. Hort. Sci. 128:661-666.

  70. Kuk, Y. I., H. I. Jung, O. D. Kwon, D. J. Lee, N. R. Burgos, and J. O Guh.2003.Sulfonylurea herbicide-resistant Monochoria vaginalis in Korean rice culture.Pest Manag. Sci. 59:949-961.

  71. Kuk, Y. I., J. S. Shin, N. R. Burgos, T. E. Hwang, O. S. Han, B. H. Cho, S. Jung, and J. O. Guh.2003.Antioxidative enzymes offer protection from chilling damage in rice plants.Crop Sci. 43:2109-2117.

  72. Kuk, Y. I., K. H. Kim, O. D. Kwon, D. J. Lee, S. Jung, N. R. Burgos, and J. O. Guh. 2003.Cross-resistance pattern and alternative herbicides for Cyperus difformis resistant to sulfonylurea herbicides in Korea.Pest Manag. Sci. 60:85-94.

  73. Burgos, N. R., Y. I. Kuk, and R. E. Talbert. 2001.  Amaranthus palmeri resistance and differential tolerance of A. palmeri and Amaranthus hybridus to ALS-inhibitor herbicides. Pest Mgt. Sci. 57:449-457

  74. Kuk, Y. I., N. R. Burgos*, and R. E. Talbert. 2001.Evaluation of rice by-products for nonchemical weed control. Weed Sci. 49:141-147

  75. Norsworthy, J. K., N. R. Burgos*, and L. R. Oliver.2001.Differences in weed tolerance to glyphosate involved different mechanisms.Weed Tehnol. 15:725-731

  76. Burgos, N. R. and R. E. Talbert. 2000.  Differential activity of allelochemicals from Secale cereale in seedling bioassays.  Weed Sci. 48:302-310.

  77. Kuk, Y. I., N. R. Burgos1, and R. E. Talbert. 2000.Cross- and multiple-resistance of diclofop-resistant ryegrass (Lolium spp.).Weed Sci. 48:412-419.

  78. Burgos, N. R., R. E. Talbert, and J. D. Mattice.  1999.  Cultivar and age differences in the production of allelochemicals by Secale cereale.  Weed Sci.  47:481-485.

  79. Burgos, N. R. and R. E. Talbert. 1996.  Weed control and sweet corn (Zea mays var. rogusa) response in a no-till system with cover crops.  Weed Sci. 44:355-361.

  80. Burgos, N.R. and R. E. Talbert. 1996.  Weed control by spring cover crops and imazethapyr in no-till southern pea (Vigna unguiculata).  Weed Technol. 10:893-899.

International Weed Science Society

  • President, 2016 - 2020

  • Acting President, 2015 - 2016

  • Elected Vice-President, 2012 - 2016

  • Elected Secretary-Treasurer, 2008 - 2012

Weed Science Society of America (see other services in main document)

  • Associate Editor, Weed Science Journal, 2004 - 2007

Southern Weed Science Society (see other services in main document)

  • Elected Chair, Herbicide-Resistant Weeds Committee, 2001 - 2002; 2007 - 2008

  • Secretary, Southern Weed Science Society Foundation, 2012-2014

  • Chair, Southern Weed Science Society Foundation, 2014-2015

  • Proceedings Editor, 2014 - 2016

Pesticides for Minor Use Crops Inter-regional Project 4 Program

  • IR-4 Liaison for Arkansas since 2005
  • Director, IR-4 GLP Center, Region 4 since 2009

Fellow, Weed Science Society of America (WSSA), 2017.

Outstanding Educator, Southern Weed Science Society, 2015.

Outstanding Alumni, Visayas State University, Leyte, Philippines, 2013. For research and educational activities supporting graduate education of faculty and staff, and educational outreach in various countries, including the Philippines.

First Recipient of International Education Team Award, University of Arkansas, 2012. With Dr. Jennie Popp, Dept. of Agric. Econ., for service and educational efforts in Belize and Brazil.

John White Outstanding Research Team Award 2010- Rice Weed Science Research in collaboration with Drs. Kenneth Smith (Extension Specialist), Robert Scott (Extension Specialist), Jason Norsworthy (Weed Science Faculty), and Bob Reynolds (Communications and Marketing)

WSSA Early Career Outstanding Scientist Award, 2008 – Awarded by the Weed Science Society of America to a member in the USA and Canada

Outstanding Mentor, 2008 – University of Arkansas Post Graduate Fellowship, Fayetteville

Mentor of the first Larry Burrill Award for Outstanding Graduate Student Research – International Weed Science Society, Vancouver, Canada, June 2008.

 University of Arkansas Faculty and Student Collaboration Award, 2007 – for the St. Matthew’s Sustainable Farm Project, Belize; involved eight undergraduate students and one other faculty from the College of Agriculture  

Best Research Paper Award, 2007 – Adaptability of U.S. Cowpea Cultivars in Southern Philippines; collaborative project with Dr. Jesusa Ortuoste (Sultan Kudarat Polytechnique State College, Philippines) and Dr. Teddy Morelock (Horticulture Dept., University of Arkansas); Awarded by the Southern Philippines Research Consortium

John W. White Outstanding Research Team Award, University of AR, 2005 – For collaborative research on weed management issues in spinach production; the other research areas being insect and disease management, crop improvement, nutritional qualities, and processing; involved eight faculty members. 

Co-Coach of first place Weed Team in the Southern Weed Science Society Weed Contest in 15 of 16 contests since 1999; with Dr. Dick Oliver and Jason Norsworthy (First place team in combined contest for the north central and southern regions in 2005); placed second in 2001.

Co-Coach of second place Weed Team in the National Weed Olympics of 2011 and 2015