Back
 AS  Vol.5 No.1 , January 2014
Control of Canada fleabane (Conyza canadensis) with glyphosate DMA/2,4-D choline applications in corn (Zea mays)
Laura Ford, Nader Soltani*, Allan McFadden, Robert E. Nurse, Darren E. Robinson, Peter H. Sikkema
Show more
Abstract: Glyphosate resistant (GR) Canada fleabane (horseweed) has quickly spread across southwestern Ontario and is a difficult weed to control in GR crops. Glyphosate dimethylamine (DMA)/2,4-D choline (Enlist Duo?TM Dow AgroSciences LLC), a new herbicide premix developed by Dow Agro Sciences, provides control of GR and other problematic weeds. The objective of this study was to compare single and sequential applica tions of glyphosate DMA/2,4-D choline for the control of GR Canada fleabane in GR corn. Three single applications of glyphosate (DMA)/2,4-D choline (1720 g·ae·ha-1) were evaluated: 1) preplant (PP) applied to Canada fleabane up to 10 cm diameter/height, 2) postplant 1 (POST 1) applied when Canada fleabane was up to 20 cm tall and 3) postplant 2 (POST 2) applied up to 30 cm tall Canada fleabane. Four sequential applications were also examined:1) PP followed by (fb) POST 1, 2) PP fb POST 2, 3) POST 1 fb POST 2 and 4) PP fb POST 1 fb POST 2. The single applications provided 69%-86% control of the GR Canada fleabane while the sequential applications increased control to 92%-100%. Three applications did not provide an increase in control over a sequential two-pass application at 8 weeks after the application (WAA). Results from this research indicate that a sequential 2-pass application of glyphosate DMA/2,4-D choline provided acceptable control of GR Canada fleabane in corn.
Keywords: Enlist; Glyphosate Resistant; Height; Injury; Seed Moisture; Yield
Cite this paper: Ford, L. , Soltani, N. , McFadden, A. , Nurse, R. , Robinson, D. and Sikkema, P. (2014) Control of Canada fleabane (Conyza canadensis) with glyphosate DMA/2,4-D choline applications in corn (Zea mays). Agricultural Sciences, 5, 77-83. doi: 10.4236/as.2014.51009.
References

[1]   Cici, S.Z.H. and VanAcker, R.C. (2009) A review of the recruitment biology of winter annual weeds in Canada. Canadian Journal of Plant Science, 89, 575-589.
http://dx.doi.org/10.4141/CJPS08131

[2]   Holm, L., Doll, J., Holm, E., Pancho, J.V. and Herberger, J.P. (1997) World weeds: Natural histories and distributions. J. Wiley, New York.

[3]   Weaver, S.E. (2001) The biology of Canadian weeds. 115. Conyza canadensis. Canadian Journal of Plant Science, 81, 867-875. http://dx.doi.org/10.4141/P00-196

[4]   Nandula, V.K., Eubank, T.W., Poston, D.H., Koger, C.H. and Reddy, K.N. (2006) Factors affecting germination of horseweed (Conyza canadensis). Weed Science, 54, 898-902. http://dx.doi.org/10.1614/WS-06-006R2.1

[5]   Main, C.L., Steckel, L.E., Hayes, R.M. and Mueller T.C. (2006) Biotic and abiotic factors influence horseweed emergence. Weed Science, 54, 1101-1105.
http://dx.doi.org/10.1614/WS-06-026R1.1

[6]   Kruger, G.R., Davis, V.M., Weller, S.C. and Johnson, W.G. (2010) Growth and seed production of horseweed (Conyza canadensis) populations after exposure to postemergence 2,4-D. Weed Science, 58, 413-419.
http://dx.doi.org/10.1614/WS-D-10-00022.1

[7]   Dill, G.M., CaJacob, C.A. and Padgette, S.R. (2008) Glyphosate-resistant crops: Adoption, use and future considerations. Pest Management Science, 64, 326-331.
http://dx.doi.org/10.1002/ps.1501

[8]   Duke, S.O. and Powles, S.B. (2009) Glyphosate-resistant crops and weeds: Now and in the future. AgBio Forum, 12, 346-357.

[9]   Prez-Jones, A. and Mallory-Smith, C. (2010) Biochemical mechanisms and molecular basis of evolved glyphosate resistance in weed species. In: Nandula, V.K., Ed., Glyphosate Resistance in Crops and Weeds, John Wiley and Sons, Inc., Hoboken, 119-140.

[10]   Nandula, V.K. (2010) Herbicide resistance: Definitions and concepts. In: Nandula, V.K., Ed., Glyphosate Resistance in Crops and Weeds, Hoboken, John Wiley and Sons, Inc., 35-43.

[11]   Mortensen, D.A., Egan, J.F., Maxwell, B.D., Ryan, M.R. and Smith, R.G. (2012) Navigating a critical juncture for sustainable weed management. Bioscience, 62, 75-84.
http://dx.doi.org/10.1525/bio.2012.62.1.12

[12]   Powles, S.B. and Holtum, J.A.M. (994) Herbicide resistance in Plants. Lewis Publishers.

[13]   VanGessel, M.J. (2001) Glyphosate-resistant horseweed in Delaware. Weed Science, 49, 703-705.
http://dx.doi.org/10.1614/0043-1745(2001)049[0703:RPRHFD]2.0.CO;2

[14]   Byker, H.P., Soltani, N., Robinson, D., Tardif, F., Lawton, M. and Sikkema P.H. (2013) Occurrence of glyphosate and cloransulam resistant Canada fleabane (Conyza canadensis L. Cronq.) in Ontario. Canadian Journal of Plant Science, 93, 851-855.
http://dx.doi.org/10.4141/cjps2013-039

[15]   Vink, J.P., Soltani, N., Robinson, D.E., Tardif, F.J., Lawton, M.B. and Sikkema, P.H. (2012) Occurrence and distribution of glyphosate-resistant giant ragweed (Ambrosiatrifida L.) in southwestern Ontario. Canadian Journal of Plant Science, 92, 533-539.
http://dx.doi.org/10.4141/cjps2011-249

[16]   Dauer, J.T., Mortensen, D.A. and VanGessel, M.J. (2007) Temporal and spatial dynamics of long-distance Conyza canadensis seed dispersal. Journal of Applied Ecology, 44, 105-114.
http://dx.doi.org/10.1111/j.1365-2664.2006.01256.x

[17]   Shields, E.J., Dauer, J.T., VanGessel, M.J. and Neumann, G. (2006) Horseweed (Conyza canadensis) seed collected in the planetary boundary layer. Weed Science, 54, 1063-1067. http://dx.doi.org/10.1614/WS-06-097R1.1

[18]   Anonymous (2012) Technical bulletin: A system approach to Broad-Spectrum weed management for corn, soybeans and cotton. Dow AgroSciences Publication Indianapolis, Indiana.

[19]   Kruger, G.R., Davis, V.M., Weller, S.C. and Johnson, W.G. (2010) Control of Horseweed (Conyza canadensis) with growth regulator herbicides. Weed Technology, 24, 425-429. http://dx.doi.org/10.1614/WT-D-10-00022.1

[20]   Byker, H.P., Soltani, N., Robinson, D., Tardif, F., Lawton, M. and Sikkema, P.H. (2013) Control of glyphosate-resistant Canada fleabane (Conyza canadensis (L.) Cronq.) with preplant herbicide tank mixes in soybean (Glycine max. (L). Merr.). Canadian Journal of Plant Science, 93, 659-667. http://dx.doi.org/10.4141/cjps2012-320

[21]   Keeling, W.J., Henniger, G.C. and Abernathy, J.R. (1989) Horseweed (Conyza canadensis) control in conservation tillage cotton (Gossypiumhirsutum). Weed Technology, 3, 399-401.

[22]   Anonymous (2012) Enlist Weed control system News Release. Dow AgroSciences Publication, Weed Science Society of America, Indianapolis, Indiana.

[23]   Eubank, T.W., Poston, D.H., Nandula, V.K., Koger, C.H., Shaw, D.R. andReynolds, D.B. (2008) Glyphosate-resistant horseweed (Conyza canadensis) control using glyphosate, paraquat, and glufosinate-based herbicide programs. Weed Technology, 22, 16-21.
http://dx.doi.org/10.1614/WT-07-038.1

[24]   Byker, H.P., Soltani, N., Robinson, D., Tardif, F., Lawton, M. and Sikkema P.H. (2013) Control of glyphosate resistant Canada fleabane (Conyza canadensis (L). Cronq) with Dicamba applied preplant and postemergence in dicamba tolerant soybean. Weed Technology, 27, 492-496.
http://dx.doi.org/10.1614/WT-D-13-00023.1

[25]   Craigmyle, B.D., Ellis, J.M. and Bradley, K.W. (2013) Influence of herbicide programs on weed management in soybean with resistance to glufosinate and 2,4-D. Weed technology, 27, 78-84.
http://dx.doi.org/10.1614/WT-D-12-00099.1

[26]   Ontario Ministry of Agriculture, Food, and Rural Affairs, (2013) Guide to weed control 2012-2013-Publication 75. Queen’s Printer for Ontario, Toronto, ON. p. 138.

[27]   Ontario Ministry of Agriculture, Food and Rural Affairs, (2009) Agronomy Guide for Field Crops. Publication 811. Ministry of Agriculture, Food and Rural Affairs. Queen’s Printer for Ontario Toronto, ON. p. 15.

[28]   Wright, T.R., Shan, G. Walsh, T.A. Lira, J.M., Cui, C., Song, P., Zhuang, M., Arnold, N.L., Lin, G., Russell, S.M., Cicchillo, R.M., Peterson, M.A., Simpson, D.M., Zhou, N., Ponsamuel, J., Yau, K. and Zhang, Z. (2010) Robust crop resistance to broadleaf and grass herbicides provided by aryloxalkanoatedioxygenase transgenes. Proceedings of the National Academy Science of the United States of America, 107, 20240-20245.

[29]   Bolan, N.S. and Baskaran, S. (1996) Biodegradation of 2,4-D herbicide as affected by its adsorption-desorption behaviour and microbial activity of soils. Australian Journal of Soil Research, 34, 1041-1053.
http://dx.doi.org/10.1071/SR9961041

 
 
Top