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Innovative Applications of Microbial Agents for Biological Weed Control

  • Susan M. Boyetchko

Abstract

The world chemical pesticide market was valued at $26.8 billion in 1991, with herbicides accounting for 44% of the market (Powell and Jutsum, 1993). Annual yield losses due to weeds were $984 million in 58 commodities grown in Canada and $1,060 million in vegetable, fruit and nut crops grown in the United States (Chandler et al., 1984; Charudattan and DeLoach, 1988; Swanton et al., 1993). Rising economic, environmental, and social costs associated with agricultural inputs, spray drift, pesticide residues, government legislation for reduced pesticide use, and development of herbicide-resistance in weeds make biopesticide products attractive alternatives to chemicals (Jacobsen and Backman, 1993; Pimental et al., 1991; Swanton et al., 1993). Countries such as Denmark, Sweden, and the Netherlands have implemented programs to reduce pesticide use by 50% (Pimentai et al., 1991). In Ontario, Canada, a government initiative was proposed to reduce pesticide applications by 50% by the year 2002 (Swanton et al., 1993).

Keywords

Colletotrichum Gloeosporioides Canada Thistle Biological Weed Control Abutilon Theophrasti Chemical Herbicide 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1999

Authors and Affiliations

  • Susan M. Boyetchko
    • 1
  1. 1.Saskatoon Research CentreAgriculture and Agri-Food CanadaSaskatoonCanada

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