International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
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Herbicide Resistant Weeds in China
Herbicide Resistant Weeds in China
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Herbicide Resistant Weeds in China
#SpeciesCommon NameFirst YearSite of Action
1 Alopecurus japonicusJapanese FoxtailChina 19909 PSII inhibitors - Serine 264 Binders (C1 C2/5)
 		68
2 Amaranthus retroflexusRedroot PigweedChina 19909 PSII inhibitors - Serine 264 Binders (C1 C2/5)
 		1141
3 Echinochloa crus-galli var. crus-galliBarnyardgrassChina 19939 Very Long-Chain Fatty Acid Synthesis inhibitors (K3 N/15)
 		69
4 Beckmannia syzigachneAmerican SloughgrassChina 19939 PSII inhibitors - Serine 264 Binders (C1 C2/5)
 		70
5 Echinochloa crus-galli var. crus-galliBarnyardgrassChina 19939 Very Long-Chain Fatty Acid Synthesis inhibitors (K3 N/15)
 		379
6 Echinochloa crus-galli var. crus-galliBarnyardgrassChina 20009 Auxin Mimics (O/4)
 		5538
7 Monochoria korsakowiiMizuaoi (JPN)/Moolokzam (KOR)China 20039 Inhibition of Acetolactate Synthase (B/2)
 		5302
8 Sagittaria montevidensisCalifornia ArrowheadChina 20039 Inhibition of Acetolactate Synthase (B/2)
 		5303
9 Descurainia sophiaFlixweedChina 20059 Inhibition of Acetolactate Synthase (B/2)
 		5268
10 Conyza canadensisHorseweedChina 20069 Inhibition of Enolpyruvyl Shikimate Phosphate Synthase (G/9)
 		5277
11 Galium aparineCatchweed BedstrawChina 20079 Inhibition of Acetolactate Synthase (B/2)
 		5607
12 Alopecurus japonicusJapanese FoxtailChina 20079 Inhibition of Acetyl CoA Carboxylase (A/1)
 		5608
13 Capsella bursa-pastorisShepherd's-purseChina 20099 Inhibition of Acetolactate Synthase (B/2)
 		5502
14 Buglossoides arvensis (=Lithospermum arvense)Corn GromwellChina 20099 Inhibition of Acetolactate Synthase (B/2)
 		5612
15 Youngia japonicaAsiatic HawksbeardChina 20099 PS I Electron Diversion (D/22)
 		5650
16 Echinochloa crus-galli var. crus-galliBarnyardgrassChina 20109 Inhibition of Acetyl CoA Carboxylase (A/1)
 		5474
17 Alopecurus aequalisShortawn FoxtailChina 20109 Inhibition of Acetyl CoA Carboxylase (A/1)
 		5524
18 Beckmannia syzigachneAmerican SloughgrassChina 20109 Inhibition of Acetyl CoA Carboxylase (A/1)
 		5609
19 Myosoton aquaticumWater StarwortChina 20109 Inhibition of Acetolactate Synthase (B/2)
 		5611
20 Alopecurus japonicusJapanese FoxtailChina 20109 PS I Electron Diversion (D/22)
 		5649
21 Monochoria vaginalisArrowleafed MonochoriaChina 20109 Inhibition of Acetolactate Synthase (B/2)
 		5655
22 Digitaria sanguinalisLarge CrabgrassChina 20109 Inhibition of Acetolactate Synthase (B/2)
 		5656
23 Stellaria mediaCommon ChickweedChina 20109 Auxin Mimics (O/4)
 		5658
24 Eleusine indicaGoosegrassChina 20109 PS I Electron Diversion (D/22)
 		5659
25 Eleusine indicaGoosegrassChina 20109 Inhibition of Enolpyruvyl Shikimate Phosphate Synthase (G/9)
 		5661
26 Sclerochloa kengianaKeng StiffgrassChina 20109 Inhibition of Acetyl CoA Carboxylase (A/1)
 		7771
27 Descurainia sophiaFlixweedChina 20119 Auxin Mimics (O/4)
 		5651
28 Descurainia sophiaFlixweedChina 20119 Inhibition of Protoporphyrinogen Oxidase (E/14)
 		5652
29 Echinochloa crus-galli var. crus-galliBarnyardgrassChina 20119 Inhibition of Acetolactate Synthase (B/2)
 		5653
30 Leptochloa chinensisChinese SprangletopChina 20119 Inhibition of Acetyl CoA Carboxylase (A/1)
 		5671
31 Digitaria sanguinalisLarge CrabgrassChina 20119 Inhibition of Acetyl CoA Carboxylase (A/1)
 		5672
32 Acalypha australisAsian CopperleafChina 20119 Inhibition of Protoporphyrinogen Oxidase (E/14)
 		5684
33 Rorippa indicaVariableleaf Yellowcress China 20119 Inhibition of Acetolactate Synthase (B/2)
 		5685
34 Mazus faurieiAsian Mazus China 20119 PS I Electron Diversion (D/22)
 		5686
35 Sclerochloa duraHardgrassChina 20119 PS I Electron Diversion (D/22)
 		5687
36 Echinochloa crus-galli var. zelayensisGulf Cockspur GrassChina 20139 Auxin Mimics (O/4)
 		7817
37 Polypogon fugaxAsia Minor bluegrassChina 20149 Inhibition of Acetyl CoA Carboxylase (A/1)
 		7893
38 Galium aparineCatchweed BedstrawChina 20149 Auxin Mimics (O/4)
 		10952
39 Vicia sativaCommon VetchChina 20149 Inhibition of Acetolactate Synthase (B/2)
 		10953
40 Alopecurus aequalisShortawn FoxtailChina 20149 Multiple Resistance: 2 Sites of Action
Inhibition of Acetyl CoA Carboxylase (A/1)
Inhibition of Acetolactate Synthase (B/2)
 		10954
41 Alopecurus japonicusJapanese FoxtailChina 20149 Multiple Resistance: 2 Sites of Action
Inhibition of Acetyl CoA Carboxylase (A/1)
Inhibition of Acetolactate Synthase (B/2)
 		10955
42 Sagittaria trifoliaThreeleaf ArrowheadChina 20149 Inhibition of Acetolactate Synthase (B/2)
 		17139
43 Amaranthus retroflexusRedroot PigweedChina 20179 Multiple Resistance: 2 Sites of Action
Inhibition of Acetolactate Synthase (B/2)
Inhibition of Protoporphyrinogen Oxidase (E/14)
 		16078
44 Lithospermum arvenseCorn GromwellChina 20199 Inhibition of Acetolactate Synthase (B/2)
 		18168
45 Digitaria ciliarisSouthern CrabgrassChina 20219 Inhibition of Acetyl CoA Carboxylase (A/1)
 		27272
46 Lolium perenne ssp. multiflorumItalian RyegrassChina 20229 Multiple Resistance: 2 Sites of Action
Inhibition of Acetyl CoA Carboxylase (A/1)
Inhibition of Acetolactate Synthase (B/2)
 		27266
47 Ammannia multifloraMany Flowered AmmanniaChina 20229 Inhibition of Acetolactate Synthase (B/2)
 		27279
48 Echinochloa phyllopogon (=E. oryzicola)Late WatergrassChina 20239 Inhibition of Acetolactate Synthase (B/2)
 		27267
49 Leptochloa chinensisChinese SprangletopChina 20239 Inhibition of Hydroxyphenyl Pyruvate Dioxygenase (F2/27)
 		27268
50 Panicum miliaceum var. ruderale Kitag.Wild PanicgrassChina 20239 Inhibition of Acetolactate Synthase (B/2)
 		27273
51 Ammannia auriculataEared RedstemChina 20239 Inhibition of Acetolactate Synthase (B/2)
 		27280
52 Schoenoplectus juncoidesRock BulrushChina 20249 Inhibition of Acetolactate Synthase (B/2)
 		29282
53 Echinochloa crus-pavonisGulf CockspurChina 20249 Auxin Mimics (O/4)
 		29283
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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Monday, November 3, 2025 .  Available  www.weedscience.org
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