Influence of different measures against Senecio jacobaea concerning efficacy and biological diversity

Authors

  • Bernd Augustin Dienstleistungszentrum Ländlicher Raum Rheinhessen, Nahe, Hunsrück, Rüdesheimerstr. 60, 55545 Bad Kreuznach
  • Susan Oehme Technische Hochschule Bingen, Berlinstr. 109, 55411 Bingen
  • Gunter Mattern Dienstleistungszentrum Ländlicher Raum Rheinhessen, Nahe, Hunsrück, Rüdesheimerstr. 60, 55545 Bad Kreuznach
  • Werner Roth Dienstleistungszentrum Ländlicher Raum Eifel, Westpark 11, 54634 Bitburg

DOI:

https://doi.org/10.5073/jka.2018.458.007

Abstract

Ragwort (Senecio jacobaea) is causing increasing problems on extensively managed meadows and pastures. On behalf of a Master´s thesis a pasture trial was conducted 2011 under practical conditions using farm equipment. The efficiency of agronomic measures and different herbicides were tested against Common Ragwort. Besides turning of soil with and without glyphosate-treatment, reseeding after glyphosate-treatment (without ploughing up) and application auf Simplex (Fluroxypyr+Aminopyralid) with and without complementary seeding were tested. Since autumn 2011 additional mineral fertilisation treatments were regularly given on small plots within the existing experimental area (2 x 50 kg/ ha and 1 x 50 kg/ha calcium ammonium nitrate with 27% N+year) and the efficacy of the different measures against S. jacobaea was evaluated. Furthermore vegetation assessments were made once a year according to Braun-Blanquet 1964.
Analysis of the results demonstrated, that every measure tested within the field trial had a long lasting effect against S. jacobaea, turning of soil as well as fertilisation or herbicide application. However it always caused a reduction of biodiversity (number of dicotyledons).

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Published

2018-01-24

Issue

No. 458 (2018): Proceedings 28th German Conference on Weed Biology and Weed Control, February 27 - March 1, 2018, Braunschweig, Germany

Section

Session 1: Biodiversity

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