International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
HRAC GROUP 5 (LEGACY C1 C2) RESISTANT BUR BEGGARTICKS
(Bidens tripartita)


PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)

Austria
INTRODUCTION BUR BEGGARTICKS
Bur Beggarticks (Bidens tripartita) is a dicot weed in the Asteraceae family.  In Austria this weed first evolved resistance to Group 5 (Legacy C1 C2) herbicides in 1979 and infests Corn (maize).   Group 5 (Legacy C1 C2) herbicides are known as PSII inhibitors - Serine 264 Binders (Inhbition of Photosynthesis at PSll - Serine 264 Binders ).  Research has shown that these particular biotypes are resistant to atrazine and they may be cross-resistant to other Group 5 (Legacy C1 C2) 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.

If we do not have a picture for this weed, or you can provide a better picture (scan, digital camera etc) please please e-mail it to us.

QUIK STATS (last updated Sep 15, 2000 )

Common NameBur Beggarticks
SpeciesBidens tripartita
GroupPSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
Herbicidesatrazine
LocationAustria
Year1979
Situation(s)Corn (maize)
Contributors - (Alphabetically) 
Edit this Case  |  Add New Case of Resistance  |  Add Note

NOTES ABOUT THIS BIOTYPE

GENERAL

Resistant to 5 kg/ha.

Edit this Note  |  Add New Note
 
GENERAL

R. Szith and H. Furlan (1979). Der dreiteilige zweizahn (Bidens tripartita, L.) ein neues atrazinresistentes unkraut im mais, Der Pflanzenarzt, 32, 6.

Edit this Note  |  Add New Note
 

ACADEMIC ASPECTS

Confirmation Tests

Greenhouse trials comparing a known susceptible Bur Beggarticks biotype with this Bur Beggarticks 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 5 resistant Bur Beggarticks 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 5 (Legacy C1 C2) resistant Bur Beggarticks from Austria please update the database.
 
Edit Case  |  Add Note  |  Add Article  |  Add New Case  |  Help

CONTRIBUTING WEED SCIENTISTS


ACKNOWLEDGEMENTS

The Herbicide Resistance Action Committee, The Weed Science Society of America, and weed scientists in Austria have been instrumental in providing you this information. 
Herbicide Resistant Bur Beggarticks Globally
(Bidens tripartita)
Herbicide Resistant Bur Beggarticks Globally
(Bidens tripartita)
Drag a column header and drop it here to group by that column
Herbicide Resistant Bur Beggarticks Globally
(Bidens tripartita)
#CountryFirstYearSituationActive IngredientsSite of Action
1 AustriaAustria 1979 Corn (maize) atrazine 2 PSII inhibitors - Serine 264 Binders (C1 C2/5)
33Bidens tripartitaBur Beggarticks287
Literature about Similar Cases

1
Page size:
select
Page: of 1
Items 1 to 2 of 2

1
Page size:
select
Page: of 1
Items 1 to 2 of 2
PERMISSION MUST BE OBTAINED FIRST if you intend to base a significant portion of a scientific paper on data derived from this site.
Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Wednesday, October 27, 2021 .  Available  www.weedscience.org
Copyright © 1993- 2021 WeedScience.org All rights reserved. Fair use of this material is encouraged. Proper citation is requested.