INTERNATIONAL HERBICIDE-RESISTANT WEED DATABASE
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Herbicide Resistant Large Crabgrass Globally
(Digitaria sanguinalis)
Herbicide Resistant Large Crabgrass Globally
(Digitaria sanguinalis)
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Herbicide Resistant Large Crabgrass Globally
(Digitaria sanguinalis)
#CountryFirstYearSituationActive IngredientsSite of Action
1 ArgentinaArgentina 2019 Soybean glyphosate 48 Inhibition of Enolpyruvyl Shikimate Phosphate Synthase HRAC Group 9 (Legacy G)
 		77Digitaria sanguinalisLarge Crabgrass23239
2 Australia (South Australia) AustraliaSouth Australia1993 Onions, and Vegetables fluazifop-butyl, haloxyfop-methyl, and imazethapyr 1 Multiple Resistance: 2 Sites of Action
Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		77Digitaria sanguinalisLarge Crabgrass16
3 Canada (Ontario) CanadaOntario2011 Carrots, and Onions clethodim, fenoxaprop-ethyl, fluazifop-butyl, quizalofop-ethyl, and sethoxydim 7 Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
 		77Digitaria sanguinalisLarge Crabgrass5678
4 ChinaChina 2010 Corn (maize) nicosulfuron 9 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		77Digitaria sanguinalisLarge Crabgrass5656
5 ChinaChina 2011 Cotton quizalofop-ethyl 9 Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
 		77Digitaria sanguinalisLarge Crabgrass5672
6 Czech RepublicCzech Republic 2005 Railways atrazine 12 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		77Digitaria sanguinalisLarge Crabgrass5263
7 FranceFrance 1983 Corn (maize) atrazine 17 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		77Digitaria sanguinalisLarge Crabgrass461
8 FranceFrance 2005 Carrots cycloxydim, fluazifop-butyl, haloxyfop-methyl, and quizalofop-ethyl 17 Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
 		77Digitaria sanguinalisLarge Crabgrass6748
9 FranceFrance 2015 Corn (maize) foramsulfuron, and nicosulfuron 17 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		77Digitaria sanguinalisLarge Crabgrass11010
10 ItalyItaly 2006 Soybean cycloxydim, and fluazifop-butyl 24 Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
 		77Digitaria sanguinalisLarge Crabgrass5355
11 New ZealandNew Zealand 2022 Corn (maize) nicosulfuron 30 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		77Digitaria sanguinalisLarge Crabgrass25262
12 PolandPoland 1995 Orchards atrazine 33 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		77Digitaria sanguinalisLarge Crabgrass377
13 SwitzerlandSwitzerland 2021 Corn (maize) nicosulfuron 41 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		77Digitaria sanguinalisLarge Crabgrass27290
14 United States (Wisconsin) United StatesWisconsin1992 Carrots, and Onions fluazifop-butyl, and sethoxydim 45 Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
 		77Digitaria sanguinalisLarge Crabgrass417
15 United States (Georgia) United StatesGeorgia2008 Turf sethoxydim 45 Inhibition of Acetyl CoA Carboxylase HRAC Group 1 (Legacy A)
 		77Digitaria sanguinalisLarge Crabgrass7787
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