International Survey of Herbicide-Resistant Weeds

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Herbicide Resistant Weeds in Malaysia
Herbicide Resistant Weeds in Malaysia
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Herbicide Resistant Weeds in Malaysia
#SpeciesCommon NameFirst YearSite of Action
1 Ischaemum rugosumSaramollagrassMalaysia 198928 PS I Electron Diversion (D/22)
 		139
2 Fimbristylis miliaceaGlobe FringerushMalaysia 198928 Auxin Mimics (O/4)
 		141
3 Eleusine indicaGoosegrassMalaysia 199028 Inhibition of Acetyl CoA Carboxylase (A/1)
 		133
4 Solanum nigrumBlack NightshadeMalaysia 199028 PS I Electron Diversion (D/22)
 		135
5 Crassocephalum crepidioidesRedflower RagleafMalaysia 199028 PS I Electron Diversion (D/22)
 		136
6 Amaranthus blitum (ssp. oleraceus)Livid AmaranthMalaysia 199028 PS I Electron Diversion (D/22)
 		137
7 Conyza sumatrensisSumatran FleabaneMalaysia 199028 PS I Electron Diversion (D/22)
 		138
8 Eleusine indicaGoosegrassMalaysia 199028 PS I Electron Diversion (D/22)
 		140
9 Sphenoclea zeylanicaGooseweedMalaysia 199528 Auxin Mimics (O/4)
 		131
10 Eleusine indicaGoosegrassMalaysia 199728 Multiple Resistance: 2 Sites of Action
Inhibition of Acetyl CoA Carboxylase (A/1)
Inhibition of Enolpyruvyl Shikimate Phosphate Synthase (G/9)
 		1125
11 Limnocharis flavaSawah Flowering RushMalaysia 199828 Multiple Resistance: 2 Sites of Action
Inhibition of Acetolactate Synthase (B/2)
Auxin Mimics (O/4)
 		1131
12 Sagittaria guayanensisGuyanese ArrowheadMalaysia 200028 Inhibition of Acetolactate Synthase (B/2)
 		5145
13 Bacopa rotundifoliaDisc WaterhyssopMalaysia 200028 Inhibition of Acetolactate Synthase (B/2)
 		5206
14 Limnophila erectaMarshweedMalaysia 200228 Multiple Resistance: 2 Sites of Action
Inhibition of Acetolactate Synthase (B/2)
Auxin Mimics (O/4)
 		5209
15 Hedyotis verticillataWoody borreriaMalaysia 200528 Multiple Resistance: 2 Sites of Action
PS I Electron Diversion (D/22)
Inhibition of Enolpyruvyl Shikimate Phosphate Synthase (G/9)
 		7872
16 Leptochloa chinensisChinese SprangletopMalaysia 200628 PSII inhibitors - Serine 264 Binders (C1 C2/5)
 		10948
17 Eleusine indicaGoosegrassMalaysia 200928 Multiple Resistance: 2 Sites of Action
PS I Electron Diversion (D/22)
Inhibition of Glutamine Synthetase (H/10)
 		7873
18 Eleusine indicaGoosegrassMalaysia 200928 Multiple Resistance: 4 Sites of Action
Inhibition of Acetyl CoA Carboxylase (A/1)
PS I Electron Diversion (D/22)
Inhibition of Enolpyruvyl Shikimate Phosphate Synthase (G/9)
Inhibition of Glutamine Synthetase (H/10)
 		9927
19 Clidemia hirtaSoapbushMalaysia 201028 Inhibition of Acetolactate Synthase (B/2)
 		7876
20 Oryza sativa var. sylvaticaRed RiceMalaysia 201828 Inhibition of Acetolactate Synthase (B/2)
 		17145
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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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