Hostname: page-component-848d4c4894-wg55d Total loading time: 0 Render date: 2024-05-18T18:15:38.278Z Has data issue: false hasContentIssue false
  • English
  • Français

A Survey in the Southern Grain Belt of Western Australia Did Not Find Conyza Spp. Resistant to Glyphosate

Published online by Cambridge University Press:  20 January 2017

Mechelle J. Owen ,
Roslyn K. Owen  and
Stephen B. Powles
Mechelle J. Owen*
Affiliation:
Western Australian Herbicide Resistance Initiative, School of Plant Biology, University of Western Australia, 35 Stirling Hwy, Crawley, WA, 6009 Australia
Roslyn K. Owen
Affiliation:
Western Australian Herbicide Resistance Initiative, School of Plant Biology, University of Western Australia, 35 Stirling Hwy, Crawley, WA, 6009 Australia
Stephen B. Powles
Affiliation:
Western Australian Herbicide Resistance Initiative, School of Plant Biology, University of Western Australia, 35 Stirling Hwy, Crawley, WA, 6009 Australia
*
Corresponding author's E-mail: mowen@cyllene.uwa.edu.au.
Get access Rights & Permissions [Opens in a new window]

Abstract

Glyphosate-resistant crops will be grown for the first time in Western Australia in 2009. A survey was conducted across 150,000 km2 of the southeastern part of the Western Australian grain belt in 2007 to determine whether glyphosate-resistant Conyza populations were present. Sixty-eight Conyza populations were collected from various fields and roadside locations. These populations were collected from areas where Conyza was known to exist. Populations were screened with glyphosate and all populations were found to be glyphosate-susceptible. While no glyphosate-resistant Conyza populations were found in the southeastern grain belt of Western Australia, it provides baseline data prior to the introduction of glyphosate-resistant crops in this region. It is important to monitor the efficacy of glyphosate as resistance becomes more prevalent in weeds of various cropping systems worldwide.

Keywords

GlyphosateConyza sppGlyphosate resistanceherbicide resistancesurvey
Type
Notes
Information
Weed Technology , Volume 23 , Issue 3 , September 2009 , pp. 492 - 494
Copyright
Copyright © Weed Science Society of America 

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Literature Cited

Bhowmik, P. C. and Bekech, M. M. 1993. Horseweed (Conyza canadensis) seed production, emergence, and distribution in no-tillage and conventional-tillage corn (Zea mays). Agron. Trends Agric. Sci 1:67–71.Google Scholar
Brown, S. M. and Whitwell, T. 1988. Influence of tillage on horseweed, Conyza canadensis . Weed Technol 2:269–270.CrossRefGoogle Scholar
Buhler, D. D. 1992. Population dynamics and control of annual weeds in corn (Zea mays) as influenced by tillage systems. Weed Sci 40:241–248.Google Scholar
Dauer, J. T., Mortensen, D. A., and VanGessel, M. J. 2006. Temporal and spatial dynamics of long distance Conyza canadensis seed dispersal. J. Appl. Ecol 44:105–114.CrossRefGoogle Scholar
Hashem, A. and Borger, C. 2009. More glyphosate-resistant annual ryegrass populations within Western Australia. Pages 276–277. in. Proceedings of Agribusiness Crop Updates 2009. Perth, Western Australia: Department of Agriculture and Food.Google Scholar
Kempen, H. M. and Graf, J. 1981. Weed seed production. Proc. West. Soc. Weed Sci 34:78–81.Google Scholar
Michael, P. W. 1977. Some weedy species of Amaranthus (amaranths) and Conyza/Erigeron (fleabanes) naturalised in the Asian-Pacific region. Pages 87–95. in. Proceedings of the 6th Asian-Pacific Weed Science Society Conference. Jakarta, Indonesia Asian-Pacific Weed Science Society.Google Scholar
Neve, P., Sadler, J., and Powles, S. B. 2004. Multiple herbicide resistance in a glyphosate-resistant rigid ryegrass (Lolium rigidum) population. Weed Sci 52:920–928.Google Scholar
Powles, S. B. 2008. Evolved glyphosate-resistant weeds around the world: lessons to be learnt. Pest Manage. Sci 64:360–365.Google Scholar
Preston, C. 2008. Australian Glyphosate Resistance Register. National Glyphosate Sustainability Working Group. http://www.weedscrc.org.au/glyphosate. Accessed: November 5, 2008.Google Scholar
Prieur-Richard, A. H., Lavorel, S., Grigulis, K., and Dos Santos, A. 2000. Plant community diversity and invasibility by exotics: invasion of Mediterranean old fields by Conyza bonariensis and Conyza canadensis . Ecol. Lett 3:412–422.Google Scholar
Shields, E. J., Dauer, J. T., VanGessel, M. J., and Neumann, G. 2006. Horseweed (Conyza canadensis) seed collected in the planetary boundary layer. Weed Sci 54:1063–1067.Google Scholar
VanGessel, M. J. 2001. Glyphosate-resistant horseweed from Delaware. Weed Sci 49:703–705.Google Scholar
Widderick, M. and Wu, H. 2008. Weed 10. Fleabane. Pages 178–180. in. Section 6. Weeds. CRC for Australian Weed Management, IWM Manual. Adelaide, Australia: Cooperative Research Centre, Weed Management, University of Adelaide.Google Scholar
Wu, H., Walker, S., Rollin, M. J., Tan, D. K. Y., Robinson, G., and Werth, J. 2007. Germination, persistence, and emergence of flaxleaf fleabane [Conyza bonariensis (L.) Cronquist]. Weed Biol. Manage 7:192–199.CrossRefGoogle Scholar