INTERNATIONAL HERBICIDE-RESISTANT WEED DATABASE
select
select
Herbicide Resistant Annual Sowthistle Globally
(Sonchus oleraceus)
Herbicide Resistant Annual Sowthistle Globally
(Sonchus oleraceus)
Drag a column header and drop it here to group by that column
Herbicide Resistant Annual Sowthistle Globally
(Sonchus oleraceus)
#CountryFirstYearSituationActive IngredientsSite of Action
1 Australia (Queensland) AustraliaQueensland1990 Wheat chlorsulfuron 1 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
164Sonchus oleraceusAnnual Sowthistle23
2 Australia (Victoria) AustraliaVictoria2010 Spring Barley, and Wheat chlorsulfuron 1 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
164Sonchus oleraceusAnnual Sowthistle7844
3 Australia (New South Wales ) AustraliaNew South Wales 2014 Cotton, and Fallow glyphosate 1 Inhibition of Enolpyruvyl Shikimate Phosphate Synthase HRAC Group 9 (Legacy G)
164Sonchus oleraceusAnnual Sowthistle7892
4 Australia (South Australia) AustraliaSouth Australia2015 Wheat 2,4-D 1 Auxin Mimics HRAC Group 4 (Legacy O)
164Sonchus oleraceusAnnual Sowthistle10988
5 Australia (South Australia) AustraliaSouth Australia2015 Wheat chlorsulfuron 1 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
164Sonchus oleraceusAnnual Sowthistle10989
6 Australia (Victoria) AustraliaVictoria2015 Wheat 2,4-D 1 Auxin Mimics HRAC Group 4 (Legacy O)
164Sonchus oleraceusAnnual Sowthistle15056

HRAC Global Heap, I.  The International Herbicide-Resistant Weed Database.  Online.  Sunday, October 4, 2026.  Available at  www.weedscience.org

Copyright © 1993- 2026 WeedScience.org. All rights reserved.

Normal scientific reference, citation, and limited use of individual records are permitted. Automated or systematic data extraction, bulk copying, database replication or synchronization, AI or machine-learning use, predictive-model development, redistribution, and commercial reuse are not permitted without prior written permission from WeedScience.org.

See our Data Use and AI Policy.