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      Economic implications of herbicide resistance and high labour costs for management of annual barnyardgrass (Echinochloa crus-galli) in Philippine rice farming systems

      Beltran, Jesusa C.; Pannell, David J.; Doole, Graeme J.
      DOI
       10.1016/j.cropro.2011.09.012
      Link
       www.sciencedirect.com
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      Beltran, J.C., Pannell, D.J. & Doole, G.J. (2012). Economic implications of herbicide resistance and high labour costs for management of annual barnyardgrass (Echinochloa crus-galli) in Philippine rice farming systems. Crop Protection, 31(1), 31-39.
      Permanent Research Commons link: https://hdl.handle.net/10289/4812
      Abstract
      Implications of increasing labour costs and the development of herbicide resistance for profitable weed management in Philippine rice farming systems are investigated. The study employs RIMPhil (Resistance and Integrated Management in the Philippines), a bioeconomic simulation model developed to provide a comprehensive assessment of integrated weed management programmes for the control of annual barnyardgrass (Echinochloa crus-galli) in rice crops. Results indicate that herbicide application will become increasingly economically attractive, relative to manual weeding, as labour cost increases. This is important since urban migration in the Philippines continues to increase the scarcity of rural labour. Results also show that the onset of herbicide resistance results in substantial losses in farm profit. It is worthwhile for farmers to take management actions to prevent or delay the onset of herbicide resistance, provided that these changes are effective and not too costly. The study highlights the complexity of decision making about integrated weed management on rice farms in the Philippines.
      Date
      2010
      Type
      Journal Article
      Publisher
      Elsevier
      Collections
      • Management Papers [1136]
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