International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
GROUP F3/11 RESISTANT CREEPING BENTGRASS
(Agrostis stolonifera)


Carotenoid biosynthesis (unknown target) (F3/11)

Belgium, East Flanders
INTRODUCTION CREEPING BENTGRASS
Creeping Bentgrass (Agrostis stolonifera) is a monocot weed in the Poaceae family.  In Belgium this weed first evolved resistance to Group F3/11 herbicides in 1986 and infests Pears.   Group F3/11 herbicides are known as Carotenoid biosynthesis (unknown target) (Bleaching: Inhibition of carotenoid biosynthesis (unknown target)).  Research has shown that these particular biotypes are resistant to amitrole and they may be cross-resistant to other Group F3/11 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 Sep 15, 2000 )

Common NameCreeping Bentgrass
SpeciesAgrostis stolonifera
GroupCarotenoid biosynthesis (unknown target) (F3/11)
Herbicidesamitrole
LocationBelgium, East Flanders
Year1986
Situation(s)Pears
Contributors - (Alphabetically)Robert Bulcke, and Hilde Eelen 
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NOTES ABOUT THIS BIOTYPE

AREAS FOUND

Robert Bulcke
This resistant biotype has only been identified in one long-term field experiment in a pear orchard at Melle (East - Flanders)

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ACADEMIC ASPECTS

Confirmation Tests

Field, and Greenhouse trials comparing a known susceptible Creeping Bentgrass biotype with this Creeping Bentgrass 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 Group F3/11 resistant Creeping Bentgrass 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 F3/11 resistant Creeping Bentgrass from Belgium please update the database.
 
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CONTRIBUTING WEED SCIENTISTS

ROBERT BULCKE
University Gent
Lab. Of Herbology - U. G.

Plant Div
635 Capitol St NE, Weed Control Program
Gent, B-9000
Belgium
Email Robert Bulcke
HILDE EELEN
Dow AgroSciences
Lab. Of Herbology - U. G.

Prins Boudewijnlaan 41
Edegem, 2640
Belgium
Email Hilde Eelen

ACKNOWLEDGEMENTS

The Herbicide Resistance Action Committee, The Weed Science Society of America, and weed scientists in Belgium have been instrumental in providing you this information. Particular thanks is given to Robert Bulcke, and Hilde Eelen for providing detailed information.
Herbicide Resistant Creeping Bentgrass Globally
(Agrostis stolonifera)
Herbicide Resistant Creeping Bentgrass Globally
(Agrostis stolonifera)
Drag a column header and drop it here to group by that column
Herbicide Resistant Creeping Bentgrass Globally
(Agrostis stolonifera)
#CountryFirstYearSituationActive IngredientsSite of Action
1 BelgiumBelgium 1986 Pears amitrole 3 Carotenoid biosynthesis (unknown target) (F3/11)
3Agrostis stoloniferaCreeping Bentgrass37
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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Tuesday, September 17, 2019 .  Available  www.weedscience.org
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