International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
MULTIPLE RESISTANT WILD RADISH
(Raphanus raphanistrum)


Multiple Resistance: 3 Sites of Action
ALS inhibitors (B/2)
Carotenoid biosynthesis inhibitors (F1/12)
Synthetic Auxins (O/4)

Australia, South Australia
INTRODUCTION WILD RADISH
Wild Radish (Raphanus raphanistrum) is a dicot weed in the Brassicaceae family.  In South Australia this weed first evolved multiple resistance (to 3 herbicide sites of action) in 2006 and infests Cereals.  Multiple resistance has evolved to herbicides in the Groups B/2, F1/12, and O/4.  These particular biotypes are known to have resistance to 2,4-D, diflufenican, MCPA, and triasulfuron and they may be cross-resistant to other herbicides in the Groups B/2, F1/12, and O/4.

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 04, 2008 )

Common NameWild Radish
SpeciesRaphanus raphanistrum
GroupALS inhibitors (B/2)
Carotenoid biosynthesis inhibitors (F1/12)
Synthetic Auxins (O/4)
Herbicides2,4-D, diflufenican, MCPA, and triasulfuron
LocationAustralia, South Australia
Year2006
Situation(s)Cereals
Contributors - (Alphabetically)Peter Boutsalis, and Christopher Preston 
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ACADEMIC ASPECTS

Confirmation Tests

Greenhouse trials comparing a known susceptible Wild Radish biotype with this Wild Radish 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, F1, O/2, 12, 4 resistant Wild Radish 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 multiple resistant Wild Radish from South Australia please update the database.
 
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CONTRIBUTING WEED SCIENTISTS

PETER BOUTSALIS
Postdoctural Fellow/ Consultant
University Of Adelaide / Plant Science Consulting
Plant And Pest Science
800 N Lindbergh Blvd
02G
Adelaide, 5064, South Australia
Australia
Email Peter Boutsalis
CHRISTOPHER PRESTON
Postdoctural Fellow/ Consultant
University Of Adelaide - Waite Campus
Crc For Australian Weed Management And School Of Agriculture
Box 2146
Adelaide, 5064, South Australia
Australia
Email Christopher Preston

ACKNOWLEDGEMENTS

The Herbicide Resistance Action Committee, The Weed Science Society of America, and weed scientists in South Australia have been instrumental in providing you this information. Particular thanks is given to Peter Boutsalis, and Christopher Preston for providing detailed information.
Herbicide Resistant Wild Radish Globally
(Raphanus raphanistrum)
Herbicide Resistant Wild Radish Globally
(Raphanus raphanistrum)
Drag a column header and drop it here to group by that column
Herbicide Resistant Wild Radish Globally
(Raphanus raphanistrum)
#CountryFirstYearSituationActive IngredientsSite of Action
1 Australia (Western Australia) AustraliaWestern Australia1997 Cereals, and Wheat chlorsulfuron, and metosulam 1 ALS inhibitors (B/2)
141Raphanus raphanistrumWild Radish522
2 Australia (Western Australia) AustraliaWestern Australia1998 Cropland chlorsulfuron, diflufenican, and metosulam 1 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
Carotenoid biosynthesis inhibitors (F1/12)
141Raphanus raphanistrumWild Radish5033
3 Australia (South Australia) AustraliaSouth Australia1998 Spring Barley, and Wheat chlorsulfuron, iodosulfuron-methyl-sodium, and metosulam 1 ALS inhibitors (B/2)
141Raphanus raphanistrumWild Radish5034
4 Australia (Western Australia) AustraliaWestern Australia1999 Lupins, and Triazine-tolerant canola atrazine, and simazine 1 Photosystem II inhibitors (C1/5)
141Raphanus raphanistrumWild Radish1135
5 Australia (Western Australia) AustraliaWestern Australia1999 Cereals 2,4-D 1 Synthetic Auxins (O/4)
141Raphanus raphanistrumWild Radish5358
6 Australia (New South Wales ) AustraliaNew South Wales 2004 Cereals chlorsulfuron, metsulfuron-methyl, and triasulfuron 1 ALS inhibitors (B/2)
141Raphanus raphanistrumWild Radish5338
7 Australia (South Australia) AustraliaSouth Australia2006 Cereals 2,4-D, diflufenican, MCPA, and triasulfuron 1 Multiple Resistance: 3 Sites of Action
ALS inhibitors (B/2)
Carotenoid biosynthesis inhibitors (F1/12)
Synthetic Auxins (O/4)
141Raphanus raphanistrumWild Radish5364
8 Australia (Victoria) AustraliaVictoria2009 Spring Barley, and Wheat 2,4-D, chlorsulfuron, and metosulam 1 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
Synthetic Auxins (O/4)
141Raphanus raphanistrumWild Radish7845
9 Australia (Western Australia) AustraliaWestern Australia2010 Fallow 2,4-D, chlorsulfuron, diflufenican, glyphosate, imazethapyr, MCPA, metosulam, and sulfometuron-methyl 1 Multiple Resistance: 4 Sites of Action
ALS inhibitors (B/2)
Carotenoid biosynthesis inhibitors (F1/12)
EPSP synthase inhibitors (G/9)
Synthetic Auxins (O/4)
141Raphanus raphanistrumWild Radish7888
10 Australia (Victoria) AustraliaVictoria2011 Spring Barley, and Wheat 2,4-D 1 Synthetic Auxins (O/4)
141Raphanus raphanistrumWild Radish7846
11 Australia (New South Wales ) AustraliaNew South Wales 2013 Oats, Spring Barley, and Wheat 2,4-D 1 Synthetic Auxins (O/4)
141Raphanus raphanistrumWild Radish7839
12 BrazilBrazil 2013 Spring Barley, and Wheat chlorimuron-ethyl, cloransulam-methyl, imazapic, imazapyr, iodosulfuron-methyl-sodium, metsulfuron-methyl, and sulfometuron-methyl 5 ALS inhibitors (B/2)
141Raphanus raphanistrumWild Radish7895
13 South AfricaSouth Africa 1997 Spring Barley, and Wheat chlorsulfuron, iodosulfuron-methyl-sodium, metsulfuron-methyl, thifensulfuron-methyl, triasulfuron, and tribenuron-methyl 37 ALS inhibitors (B/2)
141Raphanus raphanistrumWild Radish5197
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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Thursday, July 27, 2017 .  Available  www.weedscience.org
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