INTERNATIONAL HERBICIDE-RESISTANT WEED DATABASE
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select
Herbicide Resistant Scentless Chamomile Globally
(Tripleurospermum perforatum (=T. inodorum))
Herbicide Resistant Scentless Chamomile Globally
(Tripleurospermum perforatum (=T. inodorum))
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Herbicide Resistant Scentless Chamomile Globally
(Tripleurospermum perforatum (=T. inodorum))
#CountryFirstYearSituationActive IngredientsSite of Action
1 Czech RepublicCzech Republic 2021 Wheat florasulam, and tribenuron-methyl 12 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		116Tripleurospermum perforatum (=T. inodorum)Scentless Chamomile21235
2 DenmarkDenmark 2010 Spring Barley, and Winter wheat florasulam, iodosulfuron-methyl-Na, and tribenuron-methyl 13 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		116Tripleurospermum perforatum (=T. inodorum)Scentless Chamomile5673
3 FranceFrance 2010 Wheat metsulfuron-methyl 17 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		116Tripleurospermum perforatum (=T. inodorum)Scentless Chamomile9939
4 GermanyGermany 2009 Wheat tribenuron-methyl 18 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		116Tripleurospermum perforatum (=T. inodorum)Scentless Chamomile5534
5 NorwayNorway 2006 Winter wheat iodosulfuron-methyl-Na, and tribenuron-methyl 31 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		116Tripleurospermum perforatum (=T. inodorum)Scentless Chamomile10975
6 PolandPoland 2014 Winter wheat tribenuron-methyl 33 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		116Tripleurospermum perforatum (=T. inodorum)Scentless Chamomile10971
7 SwedenSweden 2015 Wheat florasulam, and tribenuron-methyl 40 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		116Tripleurospermum perforatum (=T. inodorum)Scentless Chamomile15076
8 United KingdomUnited Kingdom 2002 Cereals metsulfuron-methyl 44 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		116Tripleurospermum perforatum (=T. inodorum)Scentless Chamomile7763
HRAC Global Heap, I.  The International Herbicide-Resistant Weed Database.  Online.  Thursday, September 24, 2026.  Available at  www.weedscience.org

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