Patrick J. Tranel

Professor

Dr. Tranel uses molecular and genomic approaches to investigate how weeds evolve in response to farmers’ attempts to manage them. Resulting knowledge aids in the development of effective, sustainable weed management systems.

Chapters in Books

  • Tranel, P. J. 2002.Weeds and weed control strategies, Chapter 17. Pp. 446-471 in M.J. Chrispeels and D. E. Sadava (eds.) Plants, Genes, and Crop Biotechnology, 2nd Edition. Jones and Bartlett Publishers, Boston.
  • Tranel, P. J. and F. Trucco. 2004. Molecular biology applied to weed science. Pages 745-747 In R. M. Goodman (ed.) Encyclopedia of Plant and Crop Science. Dekker, New York.
  • Hu, J., P. J. Tranel, C. N. Stewart Jr., and J. S. Yuan. 2009. Molecular and genomic mechanisms of non-target-site herbicide resistance. Pp 149-161 in C. N. Stewart Jr. (ed.) Weedy and Invasive Plant Genomics. Blackwell Publishing, Ames.
  • Tranel, P. J. and F. Trucco. 2009. 21st-century weed science: A call for Amaranthus genomics. Pp 53-81 in C. N. Stewart Jr. (ed.) Weedy and Invasive Plant Genomics. Blackwell Publishing, Ames.
  • Stewart, C. N., Jr., Y. Peng, L. G. Abercrombie, M. D. Halfhill, M. R. Rao, P. Ranjan,  J Hu, R. D. Sammons, G. R. Heck, P. J. Tranel, and J. S. Yuan. 2010. Genomics of glyphosate resistance. Pp 149-164 in V. Nandula (ed.) Glyphosate Resistance in Weeds. Blackwell Publishing, Ames.
  • Trucco, F. and P. J. Tranel. 2011. Amaranthus. Pp 11-21 in C. Kole (ed.) Wild Crop Relatives: Genomic and Breeding Resources: Vegetables. Springer, New York.

Selected Articles in Journals

  • Review articles
  • Tranel, P. J. and T. R. Wright. 2002. Resistance of weeds to ALS-inhibiting herbicides: What have we learned? Weed Sci. 50:700-712.
  • Yuan, J. S., P. J. Tranel, and C. N. Stewart Jr. 2007. Non-target-site herbicide resistance: a family business. Trends Plant Sci. 12:6-13.
  • Lee, R. M. and P. J. Tranel. 2008. Utilization of DNA microarrays in weed science research. Weed Sci. 56:283-289.
  • Tranel, P. J. and D. P. Horvath. 2009. Molecular biology and genomics: new tools for weed science. Bioscience 59:207-215.
  • Stewart, C. N., Jr., P. J. Tranel, D. P. Horvath, J. V. Anderson, L. H. Rieseberg, J. H. Westwood, C. A. Mallory-Smith, M. L. Zapiola, and K. M. Dlugosch. 2009. Evolution of weediness and invasiveness: charting the course for weed genomics. Weed Sci. 57:451-462.
  • Tranel, P. J., C. W. Riggins, M. S. Bell, and A. G. Hager. 2011. Herbicide resistances in Amaranthus tuberculatus: a call for new options. J. Agric. Food Chem. 59:5808-5812.
  • Burgos, N. R., P. J. Tranel, J. C. Streibig, V. M. Davis, D. Shaner, J. K. Norsworthy, and C. Ritz. 2013. Review: Confirmation of resistance to herbicides and evaluation of resistance levels. Weed Sci. 61:4-20.
  • Busi, R., M. M. Vila-Aiub, H. J. Beckie, T. A. Gaines, D. E. Goggin, S. S. Kaundun, M. Lacoste, P. Neve, S. J. Nissen, J. K. Norsworthy, M. Renton, D. L. Shaner, P. J. Tranel, T. Wright, Q. Yu, and S. B. Powles. 2013. Herbicide-resistant weeds: from research and knowledge to future needs. Evol. Appl. 6:1218-1221.
  • Dayan, F. E., D. K. Owens, P. J. Tranel, C. Preston, and S. O. Duke. 2014. Evolution of resistance to phytoene desaturase and protoporphyrinogen oxidase inhibitors – state of knowledge. Pest Manag. Sci. 70:1358-1366.
  • Délye, C., A. Duhoux, F. Pernin, C. W. Riggins, and P. J. Tranel. 2015. Molecular mechanisms of herbicide resistance. Weed Sci. Special Issue:91-115.
  • Research papers
  • Tranel, P. J. and J. Dekker. 1992. Inheritance of clomazone tolerance in maize seedlings. Maydica 37:137-142.
  • Tranel, P. J., D. R. Gealy, and A. C. Kennedy. 1993. Inhibition of downy brome (Bromus tectorum) root growth by a phytotoxin from Pseudomonas fluorescens strain D7. Weed Technol. 7:134-139.
  • Tranel, P. J., D. R. Gealy, and G. P. Irzyk. 1993. Physiological responses of downy brome (Bromus tectorum) roots to Pseudomonas fluorescens strain D7 phytotoxin. Weed Sci. 41:483-489.
  • Tranel, P. J., J. Froehlich, A. Goyal, and K. Keegstra. 1995. A component of the chloroplastic protein import apparatus is targeted to the outer envelope membrane via a novel pathway. EMBO J. 14:2436-2446.
  • Tranel, P. J. and K. Keegstra. 1996. A novel, bipartite transit peptide targets OEP75 to the outer membrane of the chloroplastic envelope. Plant Cell 8:2093-2104.
  • Foes, M. J., L. Liu, P. J. Tranel, L. M. Wax, and E. W. Stoller. 1998. A biotype of common waterhemp (Amaranthus rudis) resistant to triazine and ALS herbicides. Weed Sci. 46:514-520.
  • Foes, M. J., L. Liu, G. Vigue, E. W. Stoller, L. M. Wax, and P. J. Tranel. 1999. A kochia (Kochia scoparia) biotype resistant to triazine and ALS-inhibiting herbicides. Weed Sci. 47:20-27.
  • Tranel, P. J. and J. J. Wassom. 2001. Genetic relationships of common cocklebur accessions from the United States. Weed Sci. 49:318-325.
  • Patzoldt, W. L., P. J. Tranel, A. L. Alexander, and P. R. Schmitzer. 2001. A common ragweed population resistant to cloransulam-methyl. Weed Sci. 49:485-490.
  • Wassom, J. J., P. J. Tranel, and L. M. Wax. 2002. Variation among U.S. accessions of common cocklebur (Xanthium strumarium). Weed Technol. 16:171-179.
  • Tranel, P. J., J. J. Wassom, M. R. Jeschke, and A. L. Rayburn. 2002. Transmission of herbicide resistance from a monoecious to a dioecious weedy Amaranthus species. Theor. Appl. Genet. 105:674-679.
  • Patzoldt, W. L. and P. J. Tranel. 2002. Molecular analysis of cloransulam resistance in a population of giant ragweed. Weed Sci. 50:299-305.
  • Patzoldt, W. L., P. J. Tranel, and A. G. Hager. 2002. Variable herbicide responses among Illinois waterhemp (Amaranthus rudis and A. tuberculatus) populations. Crop Prot. 21:707-712.
  • Jeschke, M. R., P. J. Tranel, and A. L. Rayburn. 2003. DNA content analysis of smooth pigweed (Amaranthus hybridus) and tall waterhemp (A. tuberculatus): implications for hybrid detection. Weed Sci. 51:1-3.
  • Tranel, P. J., M. R. Jeschke, J. J. Wassom, D. J. Maxwell, and L. M. Wax. 2003. Variation in soybean (Glycine max (L.) Merr.) interference among common cocklebur (Xanthium strumarium L.) accessions. Crop Prot. 22:375-380.
  • Ainsworth, E. A., P. J. Tranel, B. G. Drake, and S. P. Long. 2003. The clonal structure of Quercus geminata revealed by conserved microsatellite loci. Mol. Ecol. 12:527-532.
  • Wassom, J. J., A. W. Knepp, P. J. Tranel, and L. M. Wax. 2003. Variability in photosynthetic rates and accumulated biomass among greenhouse-grown common cocklebur (Xanthium strumarium) accessions. Weed Technol. 17:84-88.
  • Patzoldt, W. L., B. S. Dixon, and P. J. Tranel. 2003. Triazine resistance in Amaranthus tuberculatus (Moq) Sauer that is not site-of-action mediated. Pest Manag. Sci. 59:1134-1142.
  • Tranel, P. J., W. Jiang, W. L. Patzoldt, and T. R. Wright. 2004. Intraspecific variability of the acetolactate synthase gene. Weed Sci. 52:236-241.
  • Maertens, K. D., C. L. Sprague, P. J. Tranel, and R. A. Hines. 2004. Amaranthus hybridus populations resistant to triazine and acetolactate synthase-inhibiting herbicides. Weed Res. 44:21-26.
  • Trucco, F., M. R. Jeschke, A. L. Rayburn, and P. J. Tranel. 2005. Amaranthus hybridus can be pollinated frequently by A. tuberculatus under field conditions. Heredity 94:64-70.
  • Patzoldt, W. L., P. J. Tranel, and A. G. Hager. 2005. A waterhemp (Amaranthus tuberculatus) biotype with multiple resistance across three herbicide sites of action. Weed Sci. 53:30-36.
  • Trucco, F., M. R. Jeschke, A. L. Rayburn, and P. J. Tranel. 2005. Promiscuity in weedy amaranths: high frequency of female tall waterhemp (Amaranthus tuberculatus) x smooth pigweed (A. hybridus) hybridization under field conditions. Weed Sci. 53:46-54.
  • Wassom, J. J. and P. J. Tranel. 2005. Amplified fragment length polymorphism-based genetic relationships among weedy Amaranthus species. J. Heredity. 96:410-416.
  • Zheng, D., W. L. Patzoldt, and P. J. Tranel. 2005. Association of the W574L ALS substitution with resistance to cloransulam and imazamox in common ragweed (Ambrosia artemisiifolia). Weed Sci. 53:424-430.
  • Trucco, F., T. Tatum, A. L. Rayburn, and P. J. Tranel. 2005. Fertility, segregation at a herbicide-resistance locus, and genome structure in BC1 hybrids from two important weedy Amaranthus species. Mol. Ecol. 14:2717-2728.
  • Rayburn, A. L., R. McCloskey, T. C. Tatum, M. R. Jeschke, and P. J. Tranel. 2005. Genome size analysis of weedy Amaranthus species. Crop Sci. 45:2557-2562.
  • Tatum, T. C., R. Skirvin, P. J. Tranel, M. Norton, and A. L. Rayburn. 2005. In vitro procedure for obtaining mitotic chromosomes from weedy Amaranthus species. In Vitro Cell. Dev.-Pl. 41:844-847.
  • Trucco, F., A. G. Hager, and P. J. Tranel. 2006. Acetolactate synthase mutation conferring imidazolinone-specific herbicide resistance in Amaranthus hybridus. J. Plant Physiol. 163:475-479.
  • Trucco, F., T. Tatum, K. R. Robertson, A. L. Rayburn, and P. J. Tranel. 2006. Characterization of waterhemp (Amaranthus tuberculatus) x smooth pigweed (A. hybridus) F1 hybrids. Weed Technol. 20:14-22.
  • Patzoldt, W. L., A. G. Hager, J. S. McCormick, and P. J. Tranel. 2006. A codon deletion confers resistance to herbicides inhibiting protoporphyrinogen oxidase. Proc. Natl. Acad. Sci. USA. 103:12329-12334. [Also see associated In This Issue (103:1211-12212) and Commentary (103:12215-122160].
  • Trucco, F., D. Zheng, A. J. Woodyard, J. R. Walter, T. C. Tatum, A. L. Rayburn, and P. J. Tranel. 2007. Non-hybrid progeny from crosses of dioecious amaranths: implications for gene flow research. Weed Sci. 55:119-122.
  • Patzoldt, W. L. and P. J. Tranel. 2007. Multiple ALS mutations confer herbicide resistance in waterhemp (Amaranthus tuberculatus). Weed Sci. 55:421-428.
  • Volenberg, D. S., P. J. Tranel, J. F. Holt, F. W. Simmons, S. C. Weller, A. Sharkhuu, and D. E. Riechers. 2007. Assessment of two biotypes of Solanum ptycanthum that differ in resistance levels to imazamox. Weed Res. 47:353-363.
  • Volenberg, D. S., W. L. Patzoldt, A. G. Hager, and P. J. Tranel. 2007. Responses of contemporary and historical waterhemp (Amaranthus tuberculatus) accessions to glyphosate. Weed Sci. 55:327-333.
  • Brotherton, J. E., M. R. Jeschke, P. J. Tranel, and J. M. Widholm. 2007. Identification of Arabidopsis thaliana variants with differential glyphosate responses. J. Plant Physiol. 164:1337-1345.
  • Hugie, J. A., G. A. Bollero, P. J. Tranel, and D. E. Riechers. 2008. Defining the rate requirements for synergism between mesotrione and atrazine in redroot pigweed (Amaranthus retroflexus). Weed Sci. 56:265-270.
  • Lee, R. M., A. G. Hager, and P. J. Tranel. 2008. Prevalence of a novel resistance mechanism to PPO-inhibiting herbicides in waterhemp (Amaranthus tuberculatus). Weed Sci. 56:371-375.
  • Zhu, J., W. L. Patzoldt, R. T. Shealy, L. O. Vodkin, S. J. Clough, and P. J. Tranel. 2008. Transcriptome response to glyphosate in sensitive and resistant soybean. J. Agric. Food Chem. 56:6355-6363.
  • Zhu, J., W. L. Patzoldt, O. Radwan, P. J. Tranel, and S. J. Clough. 2009. Effects of photosystem-II-interfering herbicides atrazine and bentazon on the soybean transcriptome. Plant Gen. 2:191-205.
  • Lee, R. M., J. Thimmapuram, K. A. Thinglum, G. Gong, A. G. Hernandez, C. L. Wright, R. W. Kim, M. A. Mikel, and P. J. Tranel. 2009. Sampling the waterhemp (Amaranthus tuberculatus) genome using pyrosequencing technology. Weed Sci. 57: 463-469.
  • Trucco, F., T. Tatum, A. L. Rayburn, and P. J. Tranel. 2009. Out of the swamp: Unidirectional hybridization with weedy species may explain the prevalence of Amaranthus tuberculatus as a weed. New Phytol. 184:819-827.
  • Davis, V. M., G. R. Kruger, S. G. Hallett, P. J. Tranel, and W. G. Johnson. 2010. Heritability of glyphosate resistance in Indiana horseweed (Conyza canadensis) populations. Weed Sci. 58:30-38.
  • Gaines, T. A., W. Zhang, D. Wang, B. Bukun, S. T. Chisholm, D. L. Shaner, S. J. Nissen, W. L. Patzoldt, P. J. Tranel, A. S. Culpepper, T. L. Grey, T. M. Webster, W. K. Vencill, R. D. Sammons, J. Jiang, C. Preston, J. E. Leach, and P. Westra. 2010. Gene amplification confers glyphosate resistance in Amaranthus palmeri. Proc. Natl. Acad. Sci. USA. 107:1029-1034. [Also see associated Commentary (107:955-956)].
  • Bell, M. S. and P. J. Tranel. 2010. Time requirements from pollination to seed maturity in waterhemp (Amaranthus tuberculatus). Weed Sci. 58:167-173.
  • Dayan, F. E., P. R. Daga, S. O. Duke, R. M. Lee, P. J. Tranel, and R. J. Doerksen. 2010. Biochemical and structural consequences of a glycine deletion in the alpha-8 helix of protoporphyrinogen oxidase. Biochim. Biophys. Acta 1804:1548-1556.
  • Peng, Y., L. G. Abercrombie, J. S. Yuan, C. W. Riggins, R. D. Sammons, P. J. Tranel, and C. N. Stewart Jr. 2010. Characterization of the horseweed (Conyza canadensis) transcriptome using GS-FLX 454 pyrosequencing and its application for expression analysis of non-target herbicide resistance genes. Pest Manag. Sci. 66:1053-1062. [Also see associated Commentary (66:1041)].
  • Riggins, C. W., Y. Peng, C. N. Stewart Jr., and P. J. Tranel. 2010. Characterization of de novo transcriptome for waterhemp (Amaranthus tuberculatus) using GS-FLX 454 pyrosequencing and its application for studies of herbicide target-site genes. Pest Manag. Sci. 66:1042-1052. [Also see associated Commentary (66:1041)].
  • Thinglum, K. A., C. W. Riggins, A. S. Davis, K. W. Bradley, K. Al-Khatib, and P. J. Tranel. 2011. Wide distribution of the waterhemp (Amaranthus tuberculatus) deltaG210 PPX2 mutation, which confers resistance to PPO-inhibiting herbicides. Weed Sci. 59:22-27.
  • Hausman, N. E., S. Singh, P. J. Tranel, D. E. Riechers, S. S. Kaundun, N. D. Polge, D. A. Thomas, and A. G. Hager. 2011. Resistance to HPPD-inhibiting herbicides in a population of waterhemp (Amaranthus tuberculatus) from Illinois, United States. Pest Manag. Sci. 67:258-261.
  • Zheng, D., G. R. Kruger, S. Singh, V. M. Davis, P. J. Tranel, S. C. Weller, and W. G. Johnson. 2011. Cross-resistance of horseweed (Conyza canadensis) populations with three different ALS mutations.Pest Manag. Sci. 67:1486-1492.
  • Riggins, C. W., and P. J. Tranel. 2012. Will the Amaranthus tuberculatus resistance mechanism to PPO-inhibiting herbicides evolve in other Amaranthus species? Int. J. Agron. Vol. 2012, doi:10.1155/2012/305764.
  • Bernards, M. L., R. J. Crespo, G. R. Kruger, R. Gaussoin, and P. J. Tranel. 2012. A waterhemp (Amaranthus tuberculatus) population resistant to 2,4-D. Weed Sci. 60:379-384.
  • Rousonelos, S. L. R. M. Lee, M. S. Moreira, M. J. VanGessel, and P. J. Tranel. 2012. Characterization of a common ragweed (Ambrosia artemisiifolia) population resistant to ALS- and PPO-inhibiting herbicides. Weed Sci. 60:335-344.
  • Liu, J., A. S. Davis, and P. J. Tranel. 2012. Pollen biology and dispersal dynamics in waterhemp (Amaranthus tuberculatus). Weed Sci. 60:416-422.
  • Panozzo, S., L. Scarabel, P. J. Tranel, and M. Sattin. 2013. Target-site resistance to ALS inhibitors in the polyploid species Echinochloa crus-galli. Pestic. Biochem. Physiol. 105:93-101.
  • Bell, M. S., A. G. Hager, and P. J. Tranel. 2013. Multiple resistance to herbicides from four site-of-action groups in waterhemp (Amaranthus tuberculatus). Weed Sci. 61:460-468.
  • Gaines, T. A., A. A. Wright, W. T. Molin, L. Lorentz, C. W. Riggins, P. J. Tranel, R. Beffa, P. Westra, and S. B. Powles. 2013. Identification of genetic elements associated with EPSPS gene amplification. PLoS ONE 8(6): e65819. doi:10.1371/journal.pone.0065819.
  • Ma, R., S. S. Kaundun, P. J. Tranel, C. W. Riggins, D. L. McGinness, A. G. Hager, T. R. Hawkes, E. McIndoe, and D. E. Riechers. 2013. Distinct detoxification mechanisms confer resistance to mesotrione and atrazine in a population of waterhemp (Amaranthus tuberculatus). Plant Physiol. 163:363-377.
  • Hausman, N. E., P. J. Tranel, D. E. Riechers, D. J. Maxwell, L. C. Gonzini, and A. G. Hager. 2013. Responses of an HPPD inhibitor-resistant waterhemp (Amaranthus tuberculatus) population to soil-residual herbicides. Weed Technol. 27:704-711.
  • Brenner, D. M., W. G. Johnson, C. L. Sprague, P. J. Tranel, and B. G. Young. 2013. Crop-weed hybrids are more frequent for the grain amaranth ‘Plainsman’ than for ‘D136-1’. Genet. Resour. Crop. Evol. 60:2201-2205.
  • Yang, S., G. Hao, F. E. Dayan, P. J. Tranel, and G. Yang. 2013. Insight into the structural requirements of protoporphyrinogen oxidase inhibitors: molecular docking and CoMFA of diphenyl ether, isoxazole phenyl, and pyrazole phenyl ether. Chinese J. Chem. 31:1153-1158.
  • Tatum-Parker, T., F. Trucco, P. A.[sic] Tranel, and A. L. Rayburn. 2015. Micropollen formation in F1 hybrids and backcrosses of waterhemp (Amaranthus tuberculatus) x smooth pigweed (A. hybridus) as a quick method for determination of interspecific hybridization events. J. Agric. Sci. 7:1-7.
  • Schultz, J. L., L. A. Chatham, C. W. Riggins, P. J. Tranel, and K. W. Bradley. 2015. Distribution of herbicide resistances and molecular mechanisms conferring resistance in Missouri waterhemp (Amaranthus rudis) populations. Weed Sci. 63:336-345.
  • Chatham, L. A., C. Wu, C. W. Riggins, A. G. Hager, B. G. Young, G. K. Roskamp, and P. J. Tranel. 2015. EPSPS gene amplification is present in the majority of glyphosate-resistant Illinois waterhemp (Amaranthus tuberculatus) populations. Weed Technol. 29:48-55.
  • Wuerffel, R. J., J. M. Young, P. J. Tranel, and B. G. Young. 2015. Soil-residual PPO-inhibiting herbicides influence the frequency of associated resistance in Amaranthus tuberculatus. Weed Sci. 63:529–538.
  • Guo, J., C. W. Riggins, N. E. Hausman, A. G. Hager, D. E. Riechers, A. S. Davis, and P. J. Tranel. 2015. Non-target-site resistance to ALS inhibitors in waterhemp (Amaranthus tuberculatus). Weed Sci. 63:399–407.
  • Chatham, L. A., K. W. Bradley, G. R. Kruger, J. R. Martin, M.D.K. Owen, D. E. Peterson, J. Mithila, and P. J. Tranel. 2015. A multi-state study of the association between glyphosate resistance and EPSPS gene amplification in waterhemp (Amaranthus tuberculatus). Weed Sci. 63:569-577.
  • Wuerffel, R. J., J. M. Young, R. M. Lee, P. J. Tranel, D. A. Lightfoot, and B. G. Young. 2015. Distribution of the ΔG210 protoporphyrinogen oxidase mutation in Illinois waterhemp (Amaranthus tuberculatus) and an improved molecular method for detection. Weed Sci. 63:839-845.
  • Huffman, J., N. E. Hausman, A. G. Hager, D. E. Riechers, and P. J. Tranel. 2015. Genetics and inheritance of nontarget-site resistances to atrazine and mesotrione in a waterhemp (Amaranthus tuberculatus) population from Illinois. Weed Sci. 63:799-809.
  • Evans, J. A., P. J. Tranel, A. G. Hager, B. Schutte, C. Wu, L. A. Chatham, and A. S. Davis. 2016. Managing the evolution of herbicide resistance. Pest Manag. Sci. 72:74-80.
  • Huffman, J. L., C. W. Riggins, L. E. Steckel, and P. J. Tranel. 2016. The EPSPS Pro106Ser substitution solely accounts for glyphosate resistance in a goosegrass (Eleusine indica) population from Tennessee, United States. J. Integr. Agric. 15:1304-1312.
  • Hausman, N. E., P. J. Tranel, D. E. Riechers, and A. G. Hager. 2016. Responses of a waterhemp (Amaranthus tuberculatus) population resistant to HPPD-inhibiting herbicides to foliar-applied herbicides. Weed Technol. 30:106-115.
  • Salas, R. A., N. R. Burgos, P. J. Tranel, S. Singh, L. Glasgow, R. C. Scott, and R. L. Nichols. 2016. Resistance to PPO-inhibiting herbicide in Palmer amaranth from Arkansas. Pest Manag. Sci. 72:864-869.
  • P. J. Tranel, C. Wu, and A. Sadeque. 2017. Target-site resistances to ALS and PPO inhibitors are linked in waterhemp (Amaranthus tuberculatus). Weed Sci. 65:4-8.
  • Dillon, A., V. K. Varanasi, T. V. Danilova, D. Koo, S. Nakka, D. E. Peterson, P. J. Tranel, B. Friebe, B. S. Gill, and M. Jugulam. 2017. Physical mapping of amplified copies of the 5-enolypyruvylshikimate-3-phosphate synthase gene in glyphosate-resistant Amaranthus tuberculatus. Plant Physiol. 173:1226-1234.
  • Giacomini, D. A., A. M. Umphres, H. Nie, T. C. Mueller, L. E. Steckel, B. G. Young, R. C. Scott, and P. J. Tranel. 2017. Two new PPX2 mutations associated with resistance to PPO-inhibiting herbicides in Amaranthus palmer. Pest Manag Sci. 73:1559-1563.
  • Schryver, M. G., N. Solatani, D. C. Hooker, D. E. Robinson, P. J. Tranel, and P. H. Sikkema. 2017. Glyphosate resistant and multiple-resistant waterhemp (Amaranthus tuberculatus var. rudis) in Ontario, Canada. Can. J. Plant Sci. in press.
  • Murphy, B. P., D. E. Plewa, E. Phillippi, S. M. Bissonnette, and P. J. Tranel. 2017. A quantitative assay for Amaranthus palmeri identification. Pest Manag Sci. In press.