International Survey of Herbicide-Resistant Weeds

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Herbicide Resistant Weeds in Belgium
Herbicide Resistant Weeds in Belgium
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Herbicide Resistant Weeds in Belgium
#SpeciesCommon NameFirst YearSite of Action
1 Chenopodium albumCommon LambsquartersBelgium 19803 PSII inhibitors - Serine 264 Binders (C1 C2/5)
 		30
2 Epilobium ciliatumFringed WillowherbBelgium 19803 PSII inhibitors - Serine 264 Binders (C1 C2/5)
 		34
3 Solanum nigrumBlack NightshadeBelgium 19813 PSII inhibitors - Serine 264 Binders (C1 C2/5)
 		31
4 Poa annuaAnnual BluegrassBelgium 19813 PSII inhibitors - Serine 264 Binders (C1 C2/5)
 		33
5 Senecio vulgarisCommon GroundselBelgium 19823 PSII inhibitors - Serine 264 Binders (C1 C2/5)
 		32
6 Epilobium ciliatumFringed WillowherbBelgium 19823 PS I Electron Diversion (D/22)
 		39
7 Poa annuaAnnual BluegrassBelgium 19833 Inhibition of Lycopene Cyclase (F3/11)
 		38
8 Polygonum aviculareProstrate KnotweedBelgium 19843 Inhibition of Lycopene Cyclase (F3/11)
 		40
9 Agrostis stoloniferaCreeping BentgrassBelgium 19863 Inhibition of Lycopene Cyclase (F3/11)
 		37
10 Conyza canadensisHorseweedBelgium 19893 PSII inhibitors - Serine 264 Binders (C1 C2/5)
 		35
11 Poa annuaAnnual BluegrassBelgium 19933 PS I Electron Diversion (D/22)
 		36
12 Alopecurus myosuroidesBlackgrassBelgium 19963 Inhibition of Acetyl CoA Carboxylase (A/1)
 		501
13 Alopecurus myosuroidesBlackgrassBelgium 19963 PSII inhibitors - Serine 264 Binders (C1 C2/5)
 		502
14 Avena fatuaWild OatBelgium 19963 Inhibition of Acetyl CoA Carboxylase (A/1)
 		1146
15 Alopecurus myosuroidesBlackgrassBelgium 19963 Multiple Resistance: 4 Sites of Action
Inhibition of Acetyl CoA Carboxylase (A/1)
Inhibition of Acetolactate Synthase (B/2)
PSII inhibitors - Serine 264 Binders (C1 C2/5)
Inhibition of Microtubule Assembly (K1/3)
 		5043
16 Conyza canadensisHorseweedBelgium 19983 PS I Electron Diversion (D/22)
 		1145
17 Matricaria recutita (= M. chamomilla)Wild ChamomileBelgium 20123 Inhibition of Acetolactate Synthase (B/2)
 		7889
18 Stellaria mediaCommon ChickweedBelgium 20133 Inhibition of Acetolactate Synthase (B/2)
 		10959
19 Papaver rhoeasCorn PoppyBelgium 20143 Inhibition of Acetolactate Synthase (B/2)
 		10960
20 Atriplex patulaHalberdleaf OrachBelgium 20153 PSII inhibitors - Serine 264 Binders (C1 C2/5)
 		11017
21 Apera spica-ventiSilky WindgrassBelgium 20193 Inhibition of Acetolactate Synthase (B/2)
 		18199
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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Tuesday, November 4, 2025 .  Available  www.weedscience.org
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