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Diversification strategies

  • Chapter
The Epidemiology of Plant Diseases

Abstract

Since the early 1980s, black leg on oilseed rape (caused by Phoma lingam) has become a serious disease problem in Canada. The disease was encouraged by a sudden export market opportunity which triggered a huge increase in the area grown to a single genotype of rape (Busch et al.,1994; Juska et al., 1997). This example illustrates an important side-effect of industrialized agriculture (Clunies-Ross and Hildyard, 1992) which, over the past 50 years, has led to a sharp reduction in the number of different crops produced and also in the number of crop varieties.

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Finckh, M.R., Wolfe, M.S. (1998). Diversification strategies. In: Jones, D.G. (eds) The Epidemiology of Plant Diseases. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-3302-1_11

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