Use of the Premix of Atrazine, Bicyclopyrone, S-Metolachlor, and Mesotrione for Weed Control in Corn (Zea mays L.)

Herbicides used in corn production in Texas


  • James Texas A&M AgriLife Research
  • Scott Texas A&M AgriLife Extension
  • Matt Texas A&M AgriLife Extension
  • Paul Texas A&M AgriLife Extension
  • Jourdan Texas A&M AgriLife Extension



Amaranthus Palmeri S. Wats, Brachiaria Platyphylla [Griseb] Nash, Cucumis Melo L, Echinochloa Colona (L.) Link, Helianthus Annuus L, Urochloa Fasciculate (Sw.) R. Webster, Urochloa Texana Buckl, Annual Grasses, Broadleaf Weeds


Field studies were conducted under conventional tillage from 2014 through the 2018 growing seasons in central, south-central, and the Panhandle regions of Texas to determine corn tolerance and weed efficacy of the four-way premix of atrazine plus bicyclopyrone plus mesotrione plus S-metolachlor (hereafter referred to as ABMS).  No corn injury was noted at any location with any ABMS dose or application timing.  Preemergence (PRE) applications of ABMS at 2.41 kg ha-1 controlled Palmer amaranth (Amaranthus palmeri S. Wats.) 73 to 100% while smellmelon (Cucumis melo L.) control was 100%.  Annual sunflower (Helianthus annuus L.) control with ABMS at 2.41 kg ha-1 was 86% while a split application applied PRE followed by a postemergence (POST) application provided 99% control.  Texas millet (Urochloa texana Buckl.) control with ABMS applied PRE ranged from 12 to 35% while broadleaf signalgrass (Brachiaria platyphylla [Griseb.] Nash) control was 100%.  Browntop panicum [Urochloa fasciculate (Sw.) R. Webster] control with a PRE application of ABMS at 2.41 kg ai ha-1 was < 82% while jungle rice [Echinochloa colona (L.) Link] control was 98%.  Control of a kochia (Kochia scoparia L.) with PRE applications of ABMS at 2.41 kg ha-1 was 95% while the split rate of 1.2 kg ha-1 applied PRE and POST provided 99% control.  Corn yields were variable but in most instances all herbicide treatments improved yield over the untreated check.  Excellent control of broadleaf weeds was observed with ABMS; however, annual grass control can be variable, especially with large-seeded annual grasses such as Texas millet.


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Al-Khatib, K., Peterson, D. E., and Regehr, D. L. (2000). Control of imazethapyr-resistant common sunflower (Helianthus annuus) in soybean (Glycine max) and corn (Zea mays). Weed Technol. 14: 133- 139.

Anonymous. (2009). Monsanto Biotechnology Trait Acres: Fiscal Years 1996-2009. Available: [6 March, 2019].

Anonymous. (2018). Acuron® Herbicide Product Label. Syngenta Publication No. SCP 1466A-L1B. Syngenta Crop protection, LLC. Greensboro, NC. Available: label/acuron. [8 March, 2019].

Armel, G. R., Wilson, H. P., Richardson, R. J., and Hines, T. E. (2003). Mesotrione, acetochlor, and atrazine for weed management in corn (Zea mays). Weed Technol. 17: 284-290.

Beckie, H. L. (2006). Herbicide-resistance weeds: management tactics and practices. Weed Technol. 20: 793-814.

Beckie H. J. and Reboud, X. (2009). Selecting for weed resistance: herbicide rotation and mixture. Weed Technol. 23: 363-370.

Bollman, J. D., Boerboom, C. M., Becker, R. L., and Fritz, V. A. (2008). Efficacy and tolerance to HPPD-inhibiting herbicides in sweet corn. Weed Technol. 20: 267-274.

Bradley, P. R., Johnson, W. G., Hart, S. E., Buesinger, M. L., and Massey, R. E. (2000). Economics of weed management in glufosinate-resistant corn (Zea mays L.). Weed Technol. 14: 495-501.

Burke, I. C., Thomas, W. E., Allen, J. R., Collins, J. and Wilcut, J. W. (2008). A comparison of weed control in herbicide-resistant, herbicide-tolerant, and conventional corn. Weed Technol. 22: 571-579.

Culpepper, A. S. (2006). Glyphosate-induced weed shifts. Weed Technol. 20: 277-281.

Culpepper, A. S. and York, A. C. (1998). Weed management in glyphosate tolerant cotton. J. Cotton Sci. 2: 174-185.

Culpepper, A. S., Gimenez, A. E., York, A. C., Batts, R. B., and Wilcut, J. W. (2001). Morningglory (Ipomoea spp.) and large crabgrass (Digitaria sanguinalis) control with glyphosate and 2,4-DB in glyphosate resistant soybean (Glycine max). Weed Technol. 15: 56-61.

Dobbels, A. F. and Kapusta, G. (1993). Postemergence weed control in corn (Zea mays) with nicosulfuron combinations. Weed Technol. 7: 844-850.

Duke, S. O. (2012). Why have no new herbicide mode of action appeared in recent years? Pest Manage. Sci. 68: 505-512.

Ferrell, J. A. and Witt, W. W. (2002). Comparison of glyphosate with other herbicides for weed control in corn (Zea mays): efficacy and economics. Weed Technol. 16: 701-706.

Frans, R., Talbert, R., Marx, D., and Crowley, H. (1986). Experimental design and techniques for measuring and analyzing plant responses to weed control practices. In: Camper, N. D., (ed.). Research Methods in Weed Science. 3rd ed. Champaign, IL: Southern Weed Science Society. Pp. 29-46.

Grichar, W. J. (2007). Control of smellmelon (Cucumis melo) in soybean with herbicides. Weed Technol. 21: 777-779.

Grichar, W. J., Colburn, A. E., and Kearney, N. S. (1994). Herbicides for reduced tillage production in peanut (Arachis hypogaea) in the Southwest. Weed Technol. 8: 212-216.

Grier, P. W. and Stahlman, P. W. (1999). EXP 31130A efficacy and corn (Zea mays) response in western Kansas. Weed Technol. 13: 404-410.

Heap, I. (2014). The international survey of herbicide resistant weeds. 2014. Available: [7 March, 2019].

Janak, T. W. and Grichar, W. J. (2016). Weed control in corn (Zea mays L.) as influenced by preemergence herbicides. International Journal of Agronomy, Article ID 2607671, 9 pgs. Available: [10 March, 2019].

Johnson, W, G., Bradley, P. R., Hart, S. E., Buesinger, M. L., and Massey, R. E. (2000). Efficacy and economics of weed management in glyphosate-resistant corn (Zea mays). Weed Technol. 14: 578-585.

Johnson, B. C., Young, B. G., and Matthews, J. L. (2002). Effect of postemergence application rate and timing of mesotrione on corn (Zea mays) response and weed control. Weed Technol. 16: 414-420.

Johnson, W. G., Chahal, G. S., and Regehr, D. L. (2012). Efficacy of various corn herbicides applied preplant incorporated and preemergence. Weed Technol. 26: 220-229.

Knezevic, S. Z., Sikkema, P. H., Tardif, F., Hamill, A. S., Chandler, K., and Swanton, C. J. (1998). Biologically effective dose and selectivity of isoxaflutole for preemergence weed control in corn (Zea mays L.). Weed Technol. 12: 670-676.

Livingston, S. D., Janak, J. D., and Matthies, Jr., A. Z. (2004). Early and late-season suppression and control of Texas smellmelon in cotton. Proceed. South. Weed Sci. Soc. 57: 27.

Norsworthy, J. K., Burgos, N. R., and Oliver, L. R. (2001). Differences in weed tolerance to glyphosate involve different mechanisms. Weed Technol. 15: 725-731.

Norsworthy, J. K. and Oliver, L. R. (2002). Effect of irrigation, soybean (Glycine max) density, and glyphosate on hemp sesbania (Sesbania exaltata) and pitted morningglory (Ipomoea lacunosa) interference with soybean. Weed Technol. 16: 7-17.

O’Sullivan, J., Thomas, R. J., and Sikkema, P. H. (2001). Sweet corn (Zea mays) cultivar sensitivity to RPA 201772. Weed Technol. 15: 332-336.

Owen, M. D. K. (2008). Weed species shifts in glyphosate-resistant crops. Pest Manage. Sci. 64: 377- 387.

Owen, M. D. K. (2016). Diverse approaches to herbicide resistant weed management. Weed Sci. 64: 570-584.

Reedy, K. N. and Whiting, K. (2000). Weed control and economic comparisons of glyphosate-resistant, sulfonylurea-tolerant, and conventional soybean (Glycine max) systems. Weed Technol. 14: 204-211.

Ritter, R. L. and H. Menbere. Weed management systems utilizing glufosinate-resistant corn (Zea mays) and soybean (Glycine max). Weed Technol. 15: 89-94.

Sarangi, D. and Jhala, A. J. (2018). Comparison of a premix of atrazine, bicyclopyrone, mesotrione, and S-metolachlor with other preemergence herbicides for weed control and corn yield in no-tillage and reduced-tillage production systems in Nebraska, USA. Soil & Tillage Res. 178: 82-91.

SAS Institute Incorporated. (2007). SAS/STAT User’s Guide: Statistics, Version 9.1, SAS Institute, Cary, NC, USA. 204 pg.

Shaw, D. R. and Arnold, J. C. (2002). Weed control from herbicide combinations with glyphosate. Weed Technol. 16: 1-6.

Sikkema, P. H.,Knezevic, S. Z., Hamil, A. S., Tardif, F. and Swanton. C. J. (1999). Biologically effective dose and selectivity for SAN 1269H for weed control in corn (Zea mays L.). Weed Technol. 13: 283-289.

38. Sprague, C. L., Stoller, E. W., and Hart, S. E. (1997). Preemergence broadleaf weed control and crop tolerance to imidazolinone-resistant and –susceptible corn (Zea mays). Weed Technol. 11: 118-122.

39. Sprague, C. L., and Penner, D. (1998). Basis for different corn tolerance of four corn hybrids to Isoxaflutole. Proceed. North Central Weed Sci. Soc. 53: 94.

40. Sprague, C. L., Kells, J. J., and Penner, D. (1999). Weed control and corn (Zea mays) tolerance from soil- applied RPA 201772. Weed Technol. 13: 713-725.

Starke, R. J. and Oliver, L. R. (1998). Interaction of glyphosate with chlorimuron, fomesafen, imazethapyr, and sulfentrazone. Weed Sci. 46: 652-660.

42. Steele, G. L., Porpiglia, P. J., and Chandler, J. M. (2005). Efficacy of KIH-485 on Texas panicum (Panicum texanum) and selected broadleaf weeds in corn. Weed Technol. 19: 866-869.

Stephenson IV, D. O. and Bond, J. A. (2012). Evaluation of thiencarbazone-methyl- and isoxaflutole-based herbicide programs in corn. Weed Technol. 26: 37-42.

Stephenson, D. O., Bond IV, J. A., Landry, R. L., and Edwards, H. M. (2015). Weed management in corn with postemergence applications of tembotrione or thiencarbazone : tembotrione. Weed Technol. 29: 350-358.

Taylor-Lovell, S. and Wax, L. M. (2001). Weed control in field corn (Zea mays) with RPA 201772 combinations with atrazine and S-metolachlor. Weed Technol. 15: 249-256.

Tingle, C. H., Steele, G. L., and Chandler, J. M. (2003). Competition and control of smellmelon (Cucumis melo var. dudaim Naud.) in cotton. Weed Sci. 51: 586-591.

USDA-NASS. (2015). U.S. Department of Agriculture-National Agricultural Statistics Service Acreage. Available: pdf. [7 March, 2019].

48. Walsh, M. J., Stratford, K., Stone, K., and Powles, S. B. (2012). Synergistic effects of atrazine and mesotrione on susceptible and resistant wild radish (Raphanus raphanistrum) populations and the potentia for overcoming resistance to triazines herbicides. Weed Technol. 26: 341-347.

Wiggins, M. S., McClure, M. A., Hayes, R. and Steckel, L. E, (2015). Integrating cover crops and POST herbicides for glyphosate-resistant Palmer amaranth (Amaranthus palmeri) control in corn. Weed Technol. 29: 412-418.



How to Cite

Grichar, W. J., Nolte, S. A., Matocha, M. E., Baumann, P., & Bell, J. M. (2020). Use of the Premix of Atrazine, Bicyclopyrone, S-Metolachlor, and Mesotrione for Weed Control in Corn (Zea mays L.): Herbicides used in corn production in Texas. JOURNAL OF ADVANCES IN AGRICULTURE, 11, 55-70.