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Managing the risk of glyphosate resistance in Australian glyphosate-resistant cotton production systems

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Werth, J.A., Preston, C., Taylor, I.N., Charles, G.W., Roberts, G.N. and Baker, J. (2008) Managing the risk of glyphosate resistance in Australian glyphosate-resistant cotton production systems. Pest Management Science, 64 (4). pp. 417-421.

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Article Link: http://dx.doi.org/10.1002/ps.1508

Publisher URL: http://www3.interscience.wiley.com/cgi-bin/home


BACKGROUND: Glyphosate-resistant cotton varieties are an important tool for weed control in Australian cotton production systems. To increase the sustainability of this technology and to minimise the likelihood of resistance evolving through its use, weed scientists, together with herbicide regulators, industry representatives and the technology owners, have developed a framework that guides the use of the technology. Central to this framework is a crop management plan (CMP) and grower accreditation course. A simulation model that takes into account the characteristics of the weed species, initial gene frequencies and any associated fitness penalties was developed to ensure that the CMP was sufficiently robust to minimise resistance risks.

RESULTS: The simulations showed that, when a combination of weed control options was employed in addition to glyphosate, resistance did not evolve over the 30 year period of the simulation.

CONCLUSION: These simulations underline the importance of maintaining an integrated system for weed management to prevent the evolution of glyphosate resistance, prolonging the use of glyphosate-resistant cotton.

Item Type:Article
Corporate Creators:Department of Employment, Economic Development and Innovation (DEEDI), Agri-Science, Crop and Food Science , Plant Science
Business groups:Crop and Food Science
Additional Information:© Society of Chemical Industry.
Keywords:Integrated weed management; resistance model; simulation model; transgenic glyphosate resistant cotton; crop production; integrated pest management; pesticide resistance; risk assessment; transgenic plant; weed control; Gossypium hirsutum.
Subjects:Plant pests and diseases > Individual or types of plants or trees > Cotton
Science > Statistics > Simulation modelling
Plant pests and diseases > Weeds, parasitic plants etc
Live Archive:27 Jan 2009 05:39
Last Modified:03 Sep 2021 16:43

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