INTERNATIONAL HERBICIDE-RESISTANT WEED DATABASE
select
select
Herbicide Resistant Prostrate Pigweed Globally
(Amaranthus blitoides)
Herbicide Resistant Prostrate Pigweed Globally
(Amaranthus blitoides)
Drag a column header and drop it here to group by that column
Herbicide Resistant Prostrate Pigweed Globally
(Amaranthus blitoides)
#CountryFirstYearSituationActive IngredientsSite of Action
1 IsraelIsrael 1983 Cropland, and Roadsides atrazine, and simazine 23 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		9Amaranthus blitoidesProstrate Pigweed100
2 IsraelIsrael 1991 Forests, and Roadsides atrazine, chlorsulfuron, and simazine 23 Multiple Resistance: 2 Sites of Action
Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		9Amaranthus blitoidesProstrate Pigweed108
3 SpainSpain 1986 Orchards simazine 38 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		9Amaranthus blitoidesProstrate Pigweed183
4 United States (Michigan) United StatesMichigan2012 Mint terbacil 45 PSII inhibitors - Serine 264 Binders HRAC Group 5 (Legacy C1 C2)
 		9Amaranthus blitoidesProstrate Pigweed5736
HRAC Global Heap, I.  The International Herbicide-Resistant Weed Database.  Online.  Wednesday, September 23, 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.