INTERNATIONAL HERBICIDE-RESISTANT WEED DATABASE
select
select
Herbicide Resistant Pasto Honduras (Mexicangrass) Globally
(Ixophorus unisetus)
Herbicide Resistant Pasto Honduras (Mexicangrass) Globally
(Ixophorus unisetus)
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Herbicide Resistant Pasto Honduras (Mexicangrass) Globally
(Ixophorus unisetus)
#CountryFirstYearSituationActive IngredientsSite of Action
1 Costa RicaCosta Rica 1988 Roadsides imazapyr 11 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		100Ixophorus unisetusPasto Honduras (Mexicangrass)74
2 MexicoMexico 2014 Corn (maize) nicosulfuron 29 Inhibition of Acetolactate Synthase HRAC Group 2 (Legacy B)
 		100Ixophorus unisetusPasto Honduras (Mexicangrass)9925
HRAC Global Heap, I.  The International Herbicide-Resistant Weed Database.  Online.  Sunday, October 18, 2026.  Available at  www.weedscience.org

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