Co-evolution of domesticated crops and associated weeds

Authors

  • Antonio C. Guglielmini Depto. de Producción Vegetal, Fac. de Agronomía, Universidad de Buenos Aires, Buenos Aires, Argentina.
  • Claudio M. Ghersa IFEVA-CONICET, Facultad de Agronomía, Universidad de Buenos Aires, Buenos Aires, Argentina.
  • Emilio H. Satorre Depto. de Producción Vegetal, Fac. de Agronomía, Universidad de Buenos Aires, Buenos Aires, Argentina.

Keywords:

evolutionary mechanisms, demographical processes, weeds, crops

Abstract

Crops and weeds co-evolve in particular plant communities that are assembled in agro-ecosystems. In this essay we discuss the mechanisms determining this co-evolution and the processes regulating the success of individual populations within crop-weed communities as a starting point to evaluate and interpret which are the risks of promoting invasive species due to technological changes introduced into cropping activities. We follow a framework considering co-evolutionary mechanisms (namely, genetic variation, breeding system and selective forces) and demographical processes (namely, establishment, competition, dispersion) as a way to predict, not only how weeds will evolve in agricultural land, and thus how new problems for production of food and fibre arise but, also to evaluate the risk of generating species that might affect other semi natural and natural ecosystems.

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Published

2007-06-01

How to Cite

Guglielmini, A. C., Ghersa, C. M., & Satorre, E. H. (2007). Co-evolution of domesticated crops and associated weeds. Ecología Austral, 17(1), 167–178. Retrieved from https://ojs.ecologiaaustral.com.ar/index.php/Ecologia_Austral/article/view/1433

Issue

Vol. 17 No. 1 (2007)

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Forum

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