International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
HRAC GROUP 2 (LEGACY B) RESISTANT BALL MUSTARD
(Neslia paniculata)


Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)

Canada, Alberta
INTRODUCTION BALL MUSTARD
Ball Mustard (Neslia paniculata) is a dicot weed in the Brassicaceae family.  In Alberta this weed first evolved resistance to Group 2 (Legacy B) herbicides in 1998 and infests Cropland, and 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 metsulfuron-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 Jun 06, 2000 )

Common NameBall Mustard
SpeciesNeslia paniculata
GroupInhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
Herbicidesmetsulfuron-methyl
LocationCanada, Alberta
Year1998
Situation(s)Cropland, and Wheat
Contributors - (Alphabetically)Lyle Friesen, John O'Donovan, and Rene Van Acker 
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NOTES ABOUT THIS BIOTYPE

AREAS FOUND

John O'Donovan
North Central Alberta

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ACADEMIC ASPECTS

Confirmation Tests

Greenhouse trials comparing a known susceptible Ball Mustard biotype with this Ball 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 Ball 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 Ball Mustard from Alberta please update the database.
 
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CONTRIBUTING WEED SCIENTISTS

LYLE FRIESEN
University Of Manitoba
Agriculture Bldg
Rua Hugo Cabral 1065 Apto 301
Winnipeg, R3T 2N2, Manitoba
Canada
Email Lyle Friesen
JOHN O'DONOVAN
Agriculture And Agri-Food Canada
Agriculture Bldg
Universidad Nacional De Mar Del Plata
Ruta Nacional 226, Km 73.5,
Beaverlodge, T0H 0C0, Alberta
Canada
Email John O'Donovan
RENE VAN ACKER
University Of Manitoba
Agriculture Bldg
1608 McClaren Dr.
Winnipeg, R3T 2N2, Manitoba
Canada
Email Rene Van Acker

ACKNOWLEDGEMENTS

The Herbicide Resistance Action Committee, The Weed Science Society of America, and weed scientists in Alberta have been instrumental in providing you this information. Particular thanks is given to Lyle Friesen, John O'Donovan, and Rene Van Acker for providing detailed information.
Herbicide Resistant Ball Mustard Globally
(Neslia paniculata)
Herbicide Resistant Ball Mustard Globally
(Neslia paniculata)
Drag a column header and drop it here to group by that column
Herbicide Resistant Ball Mustard Globally
(Neslia paniculata)
#CountryFirstYearSituationActive IngredientsSite of Action
1 Canada (Alberta) CanadaAlberta1998 Cropland, and Wheat metsulfuron-methyl 7 Inhibition of Acetolactate Synthase ( HRAC Group 2 (Legacy B)
189Neslia paniculataBall Mustard1155
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