INTERNATIONAL HERBICIDE-RESISTANT WEED DATABASE

HRAC GROUP 1 (LEGACY A) RESISTANT POVERTY BROME
(Bromus sterilis)

Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)

Germany
INTRODUCTION POVERTY BROME
Poverty Brome (Bromus sterilis) is a monocot weed in the Poaceae family.  In Germany this weed first evolved resistance to Group 1 (Legacy A) herbicides in 2012 and infests Cereals, and Rapeseed.   Group 1 (Legacy A) herbicides are known as Inhibition of Acetyl CoA Carboxylase (Inhibition of Acetyl CoA Carboxylase ).  Research has shown that these particular biotypes are resistant to cycloxydim, and propaquizafop and they may be cross-resistant to other Group 1 (Legacy A) herbicides.

The 'Group' letters/numbers that you see throughout this web site refer to the classification of herbicides by their site of action. To see a full list of herbicides and HRAC herbicide classifications click here.

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QUIK STATS (last updated Jan 06, 2014 )

Common NamePoverty Brome
SpeciesBromus sterilis
GroupInhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
Herbicidescycloxydim, and propaquizafop
LocationGermany
Year2012
Situation(s)Cereals, and Rapeseed
Contributors - (Alphabetically)Dominik Dicke, and Jean Wagner 
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ACADEMIC ASPECTS

Confirmation Tests

Field, Greenhouse, and Laboratory trials comparing a known susceptible Poverty Brome biotype with this Poverty Brome biotype have been used to confirm resistance. For further information on the tests conducted please contact the local weed scientists that provided this information.
 
Genetics

Genetic studies on HRAC Group 1 resistant Poverty Brome have not been reported to the site.  There may be a note below or an article discussing the genetics of this biotype in the Fact Sheets and Other Literature
 
Mechanism of Resistance

The mechanism of resistance for this biotype is either unknown or has not been entered in the database.  If you know anything about the mechanism of resistance for this biotype then please update the database.
 
Relative Fitness

There is no record of differences in fitness or competitiveness of these resistant biotypes when compared to that of normal susceptible biotypes.  If you have any information pertaining to the fitness of Group 1 (Legacy A) resistant Poverty Brome from Germany please update the database.
 
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CONTRIBUTING WEED SCIENTISTS

DOMINIK DICKE
Regional Authority Giessen,
Plant Protection Service Hessen
Schanzenfeldstraße 8
Wetzlar, 35578, Hesse
Germany
Email Dominik Dicke
Web   : Web Site Link
JEAN WAGNER
Weed Scientist
Plant Pathology and Crop Protection
Department of Crop Sciences
Grisebachstrasse 6
Göttingen, 37077, Hesse
Germany
Email Jean Wagner
Web   : Web Site Link

ACKNOWLEDGEMENTS

The Herbicide Resistance Action Committee, The Weed Science Society of America, and weed scientists in Germany have been instrumental in providing you this information. Particular thanks is given to Dominik Dicke, and Jean Wagner for providing detailed information.
Herbicide Resistant Poverty Brome Globally
(Bromus sterilis)
Herbicide Resistant Poverty Brome Globally
(Bromus sterilis)
Drag a column header and drop it here to group by that column
Herbicide Resistant Poverty Brome Globally
(Bromus sterilis)
#CountryFirstYearSituationActive IngredientsSite of Action
1 Czech RepublicCzech Republic 2017 Wheat propoxycarbazone-Na, pyroxsulam, and sulfometuron-methyl 12 Inhibition of Acetolactate Synthase ( HRAC Group 2 (Legacy B)
 		289Bromus sterilisPoverty Brome18211
2 FranceFrance 2009 Wheat iodosulfuron-methyl-Na, mesosulfuron-methyl, propoxycarbazone-Na, and pyroxsulam 17 Inhibition of Acetolactate Synthase ( HRAC Group 2 (Legacy B)
 		289Bromus sterilisPoverty Brome9931
3 GermanyGermany 2012 Cereals, and Rapeseed cycloxydim, and propaquizafop 18 Inhibition of Acetyl CoA Carboxylase ( HRAC Group 1 (Legacy A)
 		289Bromus sterilisPoverty Brome6741
4 GermanyGermany 2017 Wheat propoxycarbazone-Na 18 Inhibition of Acetolactate Synthase ( HRAC Group 2 (Legacy B)
 		289Bromus sterilisPoverty Brome17143
5 United KingdomUnited Kingdom 2020 Wheat iodosulfuron-methyl-Na, mesosulfuron-methyl, and pyroxsulam 44 Inhibition of Acetolactate Synthase ( HRAC Group 2 (Legacy B)
 		289Bromus sterilisPoverty Brome25257
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