INTERNATIONAL HERBICIDE-RESISTANT WEED DATABASE
select
select
Herbicide Resistant Eastern Black Nightshade Globally
(Solanum ptycanthum)
Herbicide Resistant Eastern Black Nightshade Globally
(Solanum ptycanthum)
Drag a column header and drop it here to group by that column
Herbicide Resistant Eastern Black Nightshade Globally
(Solanum ptycanthum)
#CountryFirstYearSituationActive IngredientsSite of Action
1 Canada (Ontario) CanadaOntario2000 Corn (maize), and Soybean flumetsulam, imazamox, imazethapyr, nicosulfuron, primisulfuron-methyl, prosulfuron, and rimsulfuron 7 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		190Solanum ptycanthumEastern Black Nightshade5211
2 Canada (Ontario) CanadaOntario2009 Blueberries paraquat 7 PS I Electron Diversion HRAC Group 22 (Legacy D)
 		190Solanum ptycanthumEastern Black Nightshade5493
3 United States (Wisconsin) United StatesWisconsin1999 Soybean imazamox, and imazethapyr 45 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		190Solanum ptycanthumEastern Black Nightshade1170
4 United States (North Dakota) United StatesNorth Dakota1999 Soybean imazamox, and imazethapyr 45 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		190Solanum ptycanthumEastern Black Nightshade1196
5 United States (Illinois) United StatesIllinois1999 Soybean imazamox, and imazethapyr 45 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		190Solanum ptycanthumEastern Black Nightshade5184
6 United States (Michigan) United StatesMichigan2004 Blueberries atrazine 45 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		190Solanum ptycanthumEastern Black Nightshade5286
HRAC Global Heap, I.  The International Herbicide-Resistant Weed Database.  Online.  Sunday, October 4, 2026.  Available at  www.weedscience.org

Copyright © 1993- 2026 WeedScience.org. All rights reserved.

Normal scientific reference, citation, and limited use of individual records are permitted. Automated or systematic data extraction, bulk copying, database replication or synchronization, AI or machine-learning use, predictive-model development, redistribution, and commercial reuse are not permitted without prior written permission from WeedScience.org.

See our Data Use and AI Policy.