INTERNATIONAL HERBICIDE-RESISTANT WEED DATABASE
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Herbicide Resistant Common Groundsel Globally
(Senecio vulgaris)
Herbicide Resistant Common Groundsel Globally
(Senecio vulgaris)
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Herbicide Resistant Common Groundsel Globally
(Senecio vulgaris)
#CountryFirstYearSituationActive IngredientsSite of Action
1 BelgiumBelgium 1982 Corn (maize), Fruit, Nurseries, Railways, and Roadsides simazine 3 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		148Senecio vulgarisCommon Groundsel32
2 Canada (Ontario) CanadaOntario1977 Corn (maize) atrazine 7 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		148Senecio vulgarisCommon Groundsel5066
3 Czech RepublicCzech Republic 1988 Orchards, and Railways atrazine, cyanazine, lenacil, prometryne, simazine, terbuthylazine, and terbutryne 12 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		148Senecio vulgarisCommon Groundsel84
4 FranceFrance 1982 Cropland simazine 17 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		148Senecio vulgarisCommon Groundsel468
5 FranceFrance 2009 Grapes, and Wheat flazasulfuron, florasulam, imazamox, iodosulfuron-methyl-Na, mesosulfuron-methyl, metsulfuron-methyl, prosulfuron, thiencarbazone-methyl, and tribenuron-methyl 17 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		148Senecio vulgarisCommon Groundsel11001
6 GermanyGermany 1980 Orchards atrazine 18 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		148Senecio vulgarisCommon Groundsel448
7 NetherlandsNetherlands 1982 Orchards simazine 43 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		148Senecio vulgarisCommon Groundsel220
8 NorwayNorway 1996 Nurseries simazine 31 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		148Senecio vulgarisCommon Groundsel387
9 SwitzerlandSwitzerland 1982 Grapes simazine 41 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		148Senecio vulgarisCommon Groundsel205
10 SwitzerlandSwitzerland 1987 Vegetables linuron 41 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		148Senecio vulgarisCommon Groundsel206
11 United KingdomUnited Kingdom 1977 Orchards metribuzin, and simazine 44 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		148Senecio vulgarisCommon Groundsel365
12 United States (Washington) United StatesWashington1970 Nurseries simazine 45 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		148Senecio vulgarisCommon Groundsel386
13 United States (California) United StatesCalifornia1981 Asparagus atrazine 45 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		148Senecio vulgarisCommon Groundsel1037
14 United States (Michigan) United StatesMichigan1990 Blueberries, and Corn (maize) atrazine 45 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		148Senecio vulgarisCommon Groundsel5180
15 United States (New York) United StatesNew York1991 Corn (maize) atrazine, and simazine 45 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		148Senecio vulgarisCommon Groundsel1056
16 United States (Oregon) United StatesOregon1995 Mint bromoxynil 45 PSII inhibitors - Histidine 215 Binders HRAC Group 6 (Legacy C3)
 		148Senecio vulgarisCommon Groundsel322
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Heap, I.  The International Herbicide-Resistant Weed Database.  Online.  Monday, November 3, 2025 .  Available  www.weedscience.org Copyright © 1993- 2025 WeedScience.org All rights reserved. Fair use of this material is encouraged. Proper citation is requested.