Characterizing a scentless mayweed population with reduced sensitivity towards VLCFA herbicides

Authors

  • Dagmar Rissel Julius Kühn-Institut (JKI), Bundesforschungsinstitut für Kulturpflanzen, Institut für Pflanzenschutz in Ackerbau und Grünland, Messeweg 11-12, 38104 Braunschweig
  • Lena Ulber Julius Kühn-Institut (JKI), Bundesforschungsinstitut für Kulturpflanzen, Institut für Pflanzenschutz in Ackerbau und Grünland, Messeweg 11-12, 38104 Braunschweig

DOI:

https://doi.org/10.5073/jka.2020.464.073

Keywords:

Agar-based bioassay, metazachlor, reduced sensitivity, scentless mayweed, soil-based bioassay

Abstract

Scentless mayweed (MATIN) is an annual dicotyledonous weed species in temperate zones. So far, seven cases of herbicide resistance are known. All cases of resistance refer to the group of acetolactate inhibitors. During a German resistance survey, a scentless mayweed population was detected showing reduced sensitivity to metazachlor, an active belonging to the group of inhibitors of very long chain fatty acid synthesis. In the present study, the reduced sensitivity was further characterized using soil- and agar-based bioassays.

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Published

2020-02-05

Issue

No. 464 (2020): Proceedings 29th German Conference on Weed Biology and Weed Control March 3 - 5, 2020, Braunschweig, Germany

Section

Session 9: Resistance analysis

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