INTERNATIONAL HERBICIDE-RESISTANT WEED DATABASE

HRAC GROUP 2 (LEGACY B) RESISTANT SPANISH PINK MUSTARD
(Erucaria hispanica)

Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)

Israel
INTRODUCTION SPANISH PINK MUSTARD
Spanish Pink Mustard (Erucaria hispanica) is a dicot weed in the Brassicaceae family.  In Israel this weed first evolved resistance to Group 2 (Legacy B) herbicides in 2012 and infests Wheat.   Group 2 (Legacy B) herbicides are known as Inhibition of Acetolactate Synthase (Inhibition of Acetolactate Synthase ).  Research has shown that these particular biotypes are resistant to florasulam, flumetsulam, and tribenuron-methyl and they may be cross-resistant to other Group 2 (Legacy B) 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 Dec 19, 2012 )

Common NameSpanish Pink Mustard
SpeciesErucaria hispanica
GroupInhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
Herbicidesflorasulam, flumetsulam, and tribenuron-methyl
LocationIsrael
Year2012
Situation(s)Wheat
Contributors - (Alphabetically)Maor Matzrafi, and Baruch Rubin 
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NOTES ABOUT THIS BIOTYPE

MECHANISM

ALS inhibitor resistance in  Erucaria hispanica is due to a Proline 197 to Serine mutation.  Maor Matzrafi.

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ACADEMIC ASPECTS

Confirmation Tests

Greenhouse, Laboratory, and None trials comparing a known susceptible Spanish Pink Mustard biotype with this Spanish Pink Mustard 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 2 resistant Spanish Pink Mustard 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 2 (Legacy B) resistant Spanish Pink Mustard from Israel please update the database.
 
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CONTRIBUTING WEED SCIENTISTS

MAOR MATZRAFI
Postdoctral Researcher
University of California
Department of Plant Sciences
MS 4
Davis, 95616
Israel
Email Maor Matzrafi
BARUCH RUBIN
Professor
Hebrew University Of Jerusalem
Inst. Plant Sci. & Genetics In Agriculture
Faculty Of Agric.
Food & Environm.
Rehovot, 76100, Israel
Israel
Email Baruch Rubin

ACKNOWLEDGEMENTS

The Herbicide Resistance Action Committee, The Weed Science Society of America, and weed scientists in Israel have been instrumental in providing you this information. Particular thanks is given to Maor Matzrafi, and Baruch Rubin for providing detailed information.
Herbicide Resistant Spanish Pink Mustard Globally
(Erucaria hispanica)
Herbicide Resistant Spanish Pink Mustard Globally
(Erucaria hispanica)
Drag a column header and drop it here to group by that column
Herbicide Resistant Spanish Pink Mustard Globally
(Erucaria hispanica)
#CountryFirstYearSituationActive IngredientsSite of Action
1 IsraelIsrael 2012 Wheat florasulam, flumetsulam, and tribenuron-methyl 23 Inhibition of Acetolactate Synthase ( HRAC Group 2 (Legacy B)
 		286Erucaria hispanicaSpanish Pink Mustard5703
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