International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
GROUP G/9 RESISTANT GOOSEGRASS
(Eleusine indica)


EPSP synthase inhibitors (G/9)

Argentina
INTRODUCTION GOOSEGRASS
Goosegrass (Eleusine indica) is a monocot weed in the Poaceae family.  In Argentina this weed first evolved resistance to Group G/9 herbicides in 2012 and infests Corn (maize), Fallow, and Soybean.   Group G/9 herbicides are known as EPSP synthase inhibitors (Inhibition of EPSP synthase).  Research has shown that these particular biotypes are resistant to glyphosate and they may be cross-resistant to other Group G/9 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 Jan 20, 2015 )

Common NameGoosegrass
SpeciesEleusine indica
GroupEPSP synthase inhibitors (G/9)
Herbicidesglyphosate
LocationArgentina
Year2012
Situation(s)Corn (maize), Fallow, and Soybean
Contributors - (Alphabetically)Marcelo De La Vega, Eduardo Puricelli, Federico Exequiel Stegmayer, and Diego Ustarroz 
Edit this Case  |  Add New Case of Resistance  |  Add Note

NOTES ABOUT THIS BIOTYPE

GENERAL

Martín Marzetti

 DETERMINACIÓN DE RESISTENCIA A GLIFOSATO EN UN BIOTIPO DE Digitaria insularis DEL SUR DE LA PROVINCIA DE SANTA FE (ARGENTINA)

  Martín Marzetti1, Matías Bertolotto2, Pablo Lopez Anido3, Mauro Passarini4, Alejandro Iturbe5 1AAPRESID, Dorrego 1639, Rosario. marzetti@aapresid.org.ar 2AAPRESID, Dorrego 1639, Rosario. bertolotto@aapresid.org.ar 3AAPRESID, Dorrego 1639, Rosario. pablolopezanido@hotmail.com 4INDEAR, Ocampo 210 bis, Rosario. mauro.passarini@indear.com 5INDEAR, Ocampo 210 bis, Rosario. alejandro.iturbe@indear.com

SUMMARY Resistant weeds are a growing problem in productive systems around the world. In 2014 a Digitaria insularis biotype suspected of glyphosate resistance was identified in La Ribera (south of Santa Fe Province, Argentina). Level of glyphosate resistance was evaluated through a dose-response experiment of the suspected biotype and a susceptible D. Insularis biotype. The level of glyphosate resistance of the suspected biotype was higher than the ones registered in other countries in populations of this species. 

Edit this Note  |  Add New Note
 
GENERAL

Laboratory trials to determine Eleusine indica resistance in Tucumán (Argentina)

Experiments were conducted at the University of Tucumán (Lat. 26° 50’ S; Long 65º 16' O) Argentina in 2012 to compare a known susceptible Eleusine indica biotype with a new biotype to confirm resistance. Seven different rates (0; 1/16 X; 1/8 X; ¼ X; ½ X; X; 2X), being X 750 g a.e. glyphosate/ha. Four replicates (pots with 10 plants each) were used.

Glyphosate applications were made with CO2 backpack sprayer. Spray solutions were delivered through 8003 flat-fan nozzles at 187 L ha-1 and a pressure of 270 kPa.

Biomass at 21 days after application was determined

The relationships between glyphosate rate and biomass. For the susceptible and the resistance biotypes fitted to a log-logistic model (Seefeldt et al., 1995). The glyphosate rate causing the 50% reduction in biomass for the susceptible biotype was 375 g a.e./ha and for the resistant biotype 750 a.e./ha

Results indicate that Resistance Index is 1.98.

Federico Stegmayer

Edit this Note  |  Add New Note
 

ACADEMIC ASPECTS

Confirmation Tests

Greenhouse trials comparing a known susceptible Goosegrass biotype with this Goosegrass 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 G/9 resistant Goosegrass 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 G/9 resistant Goosegrass from Argentina please update the database.
 
Edit Case  |  Add Note  |  Add Article  |  Add New Case  |  Help

CONTRIBUTING WEED SCIENTISTS

MARCELO DE LA VEGA
Professor
Facultad Agronomía y Zootecnia - Universidad Nacional de Tucumán
Sanidad Vegetal
Av Kirchner 1900
San Miguel de Tucumán, 4000, Tucumán
Argentina
Email Marcelo De La Vega
EDUARDO PURICELLI
Professor
University of Rosario
Crop Protection
Campo Villarino CC14 2125 Zavalla
Zavalla, 2125, Tucumán
Argentina
Email Eduardo Puricelli
FEDERICO EXEQUIEL STEGMAYER
Ph Student
Nacional University of Tucumán Argentina
Plant Health
Florentino Ameghino Countless
El Manantial
San Miguel de Tucumán, 4000, Tucumán
Argentina
Email Federico Exequiel Stegmayer
DIEGO USTARROZ
Research Associate
Inta
Sección Malezas
Ruta 9 Km 636 Manfredi
Córdoba Argentina.
Manfredi, 5688, Córdoba
Argentina
Email Diego Ustarroz

ACKNOWLEDGEMENTS

The Herbicide Resistance Action Committee, The Weed Science Society of America, and weed scientists in Argentina have been instrumental in providing you this information. Particular thanks is given to Marcelo De La Vega, Eduardo Puricelli, Federico Exequiel Stegmayer, and Diego Ustarroz for providing detailed information.
Herbicide Resistant Goosegrass Globally
(Eleusine indica)
Herbicide Resistant Goosegrass Globally
(Eleusine indica)
Drag a column header and drop it here to group by that column
Herbicide Resistant Goosegrass Globally
(Eleusine indica)
#CountryFirstYearSituationActive IngredientsSite of Action
1 ArgentinaArgentina 2012 Corn (maize), Fallow, and Soybean glyphosate 48 EPSP synthase inhibitors (G/9)
81Eleusine indicaGoosegrass5701
2 Australia (Queensland) AustraliaQueensland2015 Sugarcane for sugar paraquat 1 PSI Electron Diverter (D/22)
81Eleusine indicaGoosegrass11024
3 BoliviaBolivia 2005 Rice, Soybean, and Wheat clethodim, cyhalofop-butyl, fluazifop-P-butyl, and haloxyfop-methyl 4 ACCase inhibitors (A/1)
81Eleusine indicaGoosegrass5412
4 BoliviaBolivia 2007 Soybean glyphosate 4 EPSP synthase inhibitors (G/9)
81Eleusine indicaGoosegrass7887
5 BrazilBrazil 2003 Soybean cyhalofop-butyl, fenoxaprop-P-ethyl, and sethoxydim 5 ACCase inhibitors (A/1)
81Eleusine indicaGoosegrass5245
6 BrazilBrazil 2016 Corn (maize), Soybean, and Wheat glyphosate 5 EPSP synthase inhibitors (G/9)
81Eleusine indicaGoosegrass13039
7 BrazilBrazil 2017 Beans, Corn (maize), Cotton, and Soybean fenoxaprop-P-ethyl, glyphosate, and haloxyfop-methyl 5 Multiple Resistance: 2 Sites of Action
ACCase inhibitors (A/1)
EPSP synthase inhibitors (G/9)
81Eleusine indicaGoosegrass17112
8 ChinaChina 2010 Unspecified paraquat 9 PSI Electron Diverter (D/22)
81Eleusine indicaGoosegrass5659
9 ChinaChina 2010 Orchards glyphosate 9 EPSP synthase inhibitors (G/9)
81Eleusine indicaGoosegrass5661
10 ColombiaColombia 2006 Coffee glyphosate 10 EPSP synthase inhibitors (G/9)
81Eleusine indicaGoosegrass5365
11 Costa RicaCosta Rica 1989 Industrial sites imazapyr 11 ALS inhibitors (B/2)
81Eleusine indicaGoosegrass73
12 Costa RicaCosta Rica 2010 Pejibaye palm glyphosate 11 EPSP synthase inhibitors (G/9)
81Eleusine indicaGoosegrass7884
13 IndonesiaIndonesia 2012 Oil Palm Nursery glyphosate, and paraquat 22 Multiple Resistance: 2 Sites of Action
PSI Electron Diverter (D/22)
EPSP synthase inhibitors (G/9)
81Eleusine indicaGoosegrass11020
14 IndonesiaIndonesia 2012 Corn (maize) paraquat 22 PSI Electron Diverter (D/22)
81Eleusine indicaGoosegrass13034
15 JapanJapan 2013 Rice Paddy Levee glyphosate 25 EPSP synthase inhibitors (G/9)
81Eleusine indicaGoosegrass10998
16 MalaysiaMalaysia 1990 Cropland, and Vegetables fluazifop-P-butyl, and propaquizafop 28 ACCase inhibitors (A/1)
81Eleusine indicaGoosegrass133
17 MalaysiaMalaysia 1990 Vegetables paraquat 28 PSI Electron Diverter (D/22)
81Eleusine indicaGoosegrass140
18 MalaysiaMalaysia 1997 Orchards fluazifop-P-butyl, and glyphosate 28 Multiple Resistance: 2 Sites of Action
ACCase inhibitors (A/1)
EPSP synthase inhibitors (G/9)
81Eleusine indicaGoosegrass1125
19 MalaysiaMalaysia 2009 Vegetables glufosinate-ammonium, and paraquat 28 Multiple Resistance: 2 Sites of Action
PSI Electron Diverter (D/22)
Glutamine synthase inhibitors (H/10)
81Eleusine indicaGoosegrass7873
20 MalaysiaMalaysia 2009 Oil Palm Nursery butroxydim, fluazifop-P-butyl, glufosinate-ammonium, glyphosate, haloxyfop-methyl, and paraquat 28 Multiple Resistance: 4 Sites of Action
ACCase inhibitors (A/1)
PSI Electron Diverter (D/22)
EPSP synthase inhibitors (G/9)
Glutamine synthase inhibitors (H/10)
81Eleusine indicaGoosegrass9927
21 United States (North Carolina) United StatesNorth Carolina1973 Cotton trifluralin 45 Microtubule inhibitors (K1/3)
81Eleusine indicaGoosegrass258
22 United States (South Carolina) United StatesSouth Carolina1974 Cotton, and Soybean trifluralin 45 Microtubule inhibitors (K1/3)
81Eleusine indicaGoosegrass266
23 United States (Alabama) United StatesAlabama1987 Cotton trifluralin 45 Microtubule inhibitors (K1/3)
81Eleusine indicaGoosegrass223
24 United States (Tennessee) United StatesTennessee1988 Cotton, Golf courses, and Turf pendimethalin, prodiamine, and trifluralin 45 Microtubule inhibitors (K1/3)
81Eleusine indicaGoosegrass1103
25 United States (Arkansas) United StatesArkansas1989 Cotton, and Cropland trifluralin 45 Microtubule inhibitors (K1/3)
81Eleusine indicaGoosegrass400
26 United States (Georgia) United StatesGeorgia1992 Cotton, Golf courses, and Turf trifluralin 45 Microtubule inhibitors (K1/3)
81Eleusine indicaGoosegrass1043
27 United States (Mississippi) United StatesMississippi1994 Cotton pendimethalin, and trifluralin 45 Microtubule inhibitors (K1/3)
81Eleusine indicaGoosegrass255
28 United States (Florida) United StatesFlorida1996 Tomatoes paraquat 45 PSI Electron Diverter (D/22)
81Eleusine indicaGoosegrass5053
29 United States (Hawaii) United StatesHawaii2003 Turf metribuzin 45 Photosystem II inhibitors (C1/5)
81Eleusine indicaGoosegrass5533
30 United States (Mississippi) United StatesMississippi2010 Cotton glyphosate 45 EPSP synthase inhibitors (G/9)
81Eleusine indicaGoosegrass5503
31 United States (Tennessee) United StatesTennessee2011 Soybean glyphosate 45 EPSP synthase inhibitors (G/9)
81Eleusine indicaGoosegrass5549
32 United States (North Carolina) United StatesNorth Carolina2015 Golf courses oxadiazon 45 PPO inhibitors (E/14)
81Eleusine indicaGoosegrass15072
33 United States (Virginia) United StatesVirginia2015 Golf courses oxadiazon 45 PPO inhibitors (E/14)
81Eleusine indicaGoosegrass15073
Literature about Similar Cases

Page size:
select
Page: of 20
Items 1 to 5 of 96

Page size:
select
Page: of 20
Items 1 to 5 of 96
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.  Saturday, December 16, 2017 .  Available  www.weedscience.org
Copyright © 1993- 2017 WeedScience.org All rights reserved. Fair use of this material is encouraged. Proper citation is requested.