INTERNATIONAL HERBICIDE-RESISTANT WEED DATABASE
select
select
Herbicide Resistant Black Nightshade Globally
(Solanum nigrum)
Herbicide Resistant Black Nightshade Globally
(Solanum nigrum)
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Herbicide Resistant Black Nightshade Globally
(Solanum nigrum)
#CountryFirstYearSituationActive IngredientsSite of Action
1 Australia (Queensland) AustraliaQueensland2015 Sugarcane for sugar, and Vegetables paraquat 1 PS I Electron Diversion HRAC Group 22 (Legacy D)
 		162Solanum nigrumBlack Nightshade11025
2 BelgiumBelgium 1981 Corn (maize), and Roadsides atrazine 3 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		162Solanum nigrumBlack Nightshade31
3 Czech RepublicCzech Republic 1999 Corn (maize) atrazine 12 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		162Solanum nigrumBlack Nightshade5051
4 FranceFrance 1979 Cropland atrazine 17 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		162Solanum nigrumBlack Nightshade472
5 GermanyGermany 1980 Corn (maize) atrazine 18 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		162Solanum nigrumBlack Nightshade439
6 ItalyItaly 1978 Corn (maize), and Cropland atrazine 24 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		162Solanum nigrumBlack Nightshade113
7 MalaysiaMalaysia 1990 Vegetables paraquat 28 PS I Electron Diversion HRAC Group 22 (Legacy D)
 		162Solanum nigrumBlack Nightshade135
8 NetherlandsNetherlands 1981 Corn (maize) atrazine 43 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		162Solanum nigrumBlack Nightshade218
9 New ZealandNew Zealand 1999 Corn (maize) atrazine, cyanazine, prometryne, and terbuthylazine 30 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		162Solanum nigrumBlack Nightshade5106
10 New ZealandNew Zealand 2009 Sweet potato paraquat 30 PS I Electron Diversion HRAC Group 22 (Legacy D)
 		162Solanum nigrumBlack Nightshade5731
11 PolandPoland 1995 Orchards atrazine 33 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		162Solanum nigrumBlack Nightshade376
12 SpainSpain 1987 Corn (maize) atrazine 38 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		162Solanum nigrumBlack Nightshade180
13 SwitzerlandSwitzerland 1983 Cropland, and Pastures atrazine 41 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		162Solanum nigrumBlack Nightshade207
14 United KingdomUnited Kingdom 1983 Corn (maize) simazine 44 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		162Solanum nigrumBlack Nightshade364
HRAC Global Heap, I.  The International Herbicide-Resistant Weed Database.  Online.  Sunday, October 4, 2026.  Available at  www.weedscience.org

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