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Breaking life cycle of Common Ragweed (Ambrosia artemisiifolia L.) to exhaust seed bank. I. Efficiency and optimisation of various mowing schemes  [2008]

Delabays, N. Bohren, Ch. Mermillod, G. Baker, A., Station de recherche Agroscope Changins-Waedenswil ACW, Nyon (Switzerland) et al.

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Abstract
Common Ragweed is becoming an increasing source of concern in Switzerland, notably because of the allergenic nature of its pollen. As a result, the control of this species is not simply targeted on arable land but indeed on every invaded site. Thus, it is necessary to develop techniques that break the life cycle of this plant in order to stop any further seed production. This article describes and discusses results from experiments using mowing solely. This approach is particularly helpful for sites where the application of herbicide is insuitable, like road verges, gravel pits, nature reserves, and river banks. As certain years a single mowing at the beginning of September was sufficient to break the plant life cycle, for others it was not efficient enough. Thus, a single mowing strategy clearly proves to be inefficient for long term clearing of invaded sites. Actually, even the implementation of two mowings cannot guarantee a totally successful break of the plant life cycle; however, it strongly reduces seed production. On the basis of the best results obtained, a first intervention at mid-August followed by a second at the end of September can be recommended.
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Other subjects

  • methode de lutte
  • suisse
  • life cycle
  • eleccion de la epoca
  • cycle de developpement
  • suiza
  • timing
  • switzerland
  • metodos de control
  • ciclo vital
  • weed control
  • siega
  • desherbage
  • escarda
  • ambrosia
  • control methods
  • mowing
  • fauchage
  • choix de la date
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Other information

Language : French

Type : Summary

In AGRIS since : 2009

Volume : 40

Issue : 3

Start Page : 143

End Page : 149

All titles :

" Breaking life cycle of Common Ragweed (Ambrosia artemisiifolia L.) to exhaust seed bank. I. Efficiency and optimisation of various mowing schemes "

" Briser le cycle de l'ambroisie (Ambrosia artemisiifolia L.) pour epuiser son stock semencier dans les sites infestes. I. Efficacite et optimisation des regimes de coupe "