International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
GROUP B/2 RESISTANT CORN POPPY
(Papaver rhoeas)


ALS inhibitors (B/2)

Poland, Middle North
INTRODUCTION CORN POPPY
Corn Poppy (Papaver rhoeas) is a dicot weed in the Papaveraceae family.  In Poland this weed first evolved resistance to Group B/2 herbicides in 2014 and infests Winter wheat.   Group B/2 herbicides are known as ALS inhibitors (Inhibition of acetolactate synthase ALS (acetohydroxyacid synthase AHAS)).  Research has shown that these particular biotypes are resistant to tribenuron-methyl and they may be cross-resistant to other Group B/2 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 Mar 31, 2015 )

Common NameCorn Poppy
SpeciesPapaver rhoeas
GroupALS inhibitors (B/2)
Herbicidestribenuron-methyl
LocationPoland, Middle North
Year2014
Situation(s)Winter wheat
Contributors - (Alphabetically)Kazimierz Adamczewski, Roman Kierzek, and Kinga Matysiak 
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ACADEMIC ASPECTS

Confirmation Tests

Field, and Greenhouse trials comparing a known susceptible Corn Poppy biotype with this Corn Poppy 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 B/2 resistant Corn Poppy 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 B/2 resistant Corn Poppy from Poland please update the database.
 
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CONTRIBUTING WEED SCIENTISTS

KAZIMIERZ ADAMCZEWSKI
Professor
Institute Of Plant Protection - National Research Institute
Depart. Of Weed Science
Str. Wladyslawa Wegorka 20
Poznań, 60-318, Poznań
Poland
Email Kazimierz Adamczewski
ROMAN KIERZEK
Research Scientist
National Research Institute
Institute of Plant Protection - Weed Science Department
Wladyslawa Wegorka 20
Poznan, 60-318, Poznań
Poland
Email Roman Kierzek
KINGA MATYSIAK
Research Scientist
National Research Institute
Institute of Plant Protection - Weed Science Department
Wladyslawa Wegorka 20
Poznan, 60-318, Poznań
Poland
Email Kinga Matysiak

ACKNOWLEDGEMENTS

The Herbicide Resistance Action Committee, The Weed Science Society of America, and weed scientists in Poland have been instrumental in providing you this information. Particular thanks is given to Kazimierz Adamczewski, Roman Kierzek, and Kinga Matysiak for providing detailed information.
Herbicide Resistant Corn Poppy Globally
(Papaver rhoeas)
Herbicide Resistant Corn Poppy Globally
(Papaver rhoeas)
Drag a column header and drop it here to group by that column
Herbicide Resistant Corn Poppy Globally
(Papaver rhoeas)
#CountryFirstYearSituationActive IngredientsSite of Action
1 BelgiumBelgium 2014 Wheat florasulam, and metsulfuron-methyl 3 ALS inhibitors (B/2)
123Papaver rhoeasCorn Poppy10960
2 DenmarkDenmark 2003 Wheat florasulam, iodosulfuron-methyl-sodium, and tribenuron-methyl 13 ALS inhibitors (B/2)
123Papaver rhoeasCorn Poppy5346
3 FranceFrance 2007 Wheat iodosulfuron-methyl-sodium, mesosulfuron-methyl, and metsulfuron-methyl 17 ALS inhibitors (B/2)
123Papaver rhoeasCorn Poppy5517
4 FranceFrance 2016 Cereals 2,4-D, iodosulfuron-methyl-sodium, MCPA, mesosulfuron-methyl, and metsulfuron-methyl 17 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
Synthetic Auxins (O/4)
123Papaver rhoeasCorn Poppy15054
5 GermanyGermany 2012 Cereals, and Rapeseed florasulam, and imazamox 18 ALS inhibitors (B/2)
123Papaver rhoeasCorn Poppy6743
6 GreeceGreece 1998 Winter wheat chlorsulfuron, florasulam, imazamox, pyrithiobac-sodium, thifensulfuron-methyl, triasulfuron, and tribenuron-methyl 19 ALS inhibitors (B/2)
123Papaver rhoeasCorn Poppy1142
7 ItalyItaly 1998 Durum wheat florasulam, iodosulfuron-methyl-sodium, and tribenuron-methyl 24 ALS inhibitors (B/2)
123Papaver rhoeasCorn Poppy1140
8 ItalyItaly 1998 Wheat 2,4-D, iodosulfuron-methyl-sodium, and tribenuron-methyl 24 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
Synthetic Auxins (O/4)
123Papaver rhoeasCorn Poppy5679
9 ItalyItaly 1998 Wheat 2,4-D 24 Synthetic Auxins (O/4)
123Papaver rhoeasCorn Poppy5680
10 PolandPoland 2014 Winter wheat tribenuron-methyl 33 ALS inhibitors (B/2)
123Papaver rhoeasCorn Poppy10983
11 SpainSpain 1993 Cereals, and Wheat 2,4-D, and tribenuron-methyl 38 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
Synthetic Auxins (O/4)
123Papaver rhoeasCorn Poppy185
12 SwedenSweden 2011 Winter wheat amidosulfuron, iodosulfuron-methyl-sodium, and propoxycarbazone-sodium 40 ALS inhibitors (B/2)
123Papaver rhoeasCorn Poppy8913
13 United KingdomUnited Kingdom 2001 Cereals metsulfuron-methyl 44 ALS inhibitors (B/2)
123Papaver rhoeasCorn Poppy5169
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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Friday, December 15, 2017 .  Available  www.weedscience.org
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