Herbicide Resistant Biotypes


Many weed populations have become herbicide resistant weeds. These resistant biotypes may be resistant to a single herbicide or to a whole group of chemically related herbicides. Herbiseed has an increasing number of herbicide resistant weed populations in stock. If you don’t find what you want in the display below, please e-mail us us with your requirement.


Learn more about herbicide resistance development in weed populations.


Select: Common Name
UK NameUS Name
UK PoundsUS DollarsEuros
Cat. No.Botanical NameBayer CodeUK Common NamePrice UK Pounds per 1000gEnter grams neededNet Cost in UK Pounds 
52001ALOPECURUS MYOSUROIDES PELDON (multi resistant)ALOMYPMRBLACKGRASS PELDON (multi resistant)BLACKGRASS PELDON (multi resistant)£515$1082€953 g
52002ALOPECURUS MYOSUROIDES SPAIN (multi resistant)ALOMYSMRBLACKGRASS SPAIN (multi resistant)BLACKGRASS SPAIN (multi resistant)£400$840€740 g
52003AMARANTHUS RETROFLEXUS (triazine resistant)AMARETRAMARANTH (triazine resistant)PIGWEED (triazine resistant)£125$263€231 g
52004CHENOPODIUM ALBUM (triazine resistant)CHEALTRFAT HEN (triazine resistant)LAMBSQUATERS (triazine resistant)£125$263€231 g
52005ELEUSINE INDICA Glyphosate resistantELEINGRYARD GRASSGOOSEGRASS£600$1260€1110 g
52006FESTUCA RUBRA MERLIN (toxic metals tolerant)FESRUMFESCUE, RED, MERLIN (toxic metal tolerant)RED FESCUE, MERLIN (toxic metals tolerant)£40$84€74 g
52007KOCHIA SCOPARIA (als inhibitor resistant)KCHSCALSMOCK CYPRUS (als inhibitor resistant)KOCHIA (als inhibitor resistant)£800$1680€1480 g
52008LOLIUM MULTIFLORUM (diclofop resistant)LOLMGUK1Diclofop resistant annual ryegrassLOLIUM MULTIFLORUM (diclofop resistant)£200$420€370 g
52009LOLIUM RIGIDUM (tralkoxidim resistant)LOLRISARYEGRASS, WIMMERA (tralkoxydim resistant)WIMMERA RYEGRASS (tralkoxidim resistant)£600$1260€1110 g
52010LOLIUM RIGIDUM SLR31 (multi resistant)LOLRISLR31RYEGRASS, WIMMERA SLR31 (multi resistant)WIMMERA RYEGRASS SLR31 (multi resistant)£600$1260€1110 g
52011LOLIUM RIGIDUM VLR69 (multi resistant)LOLRIVLR69RYEGRASS, WIMMERA VLR69 (multi resistant)WIMMERA RYEGRASS (multi resistant)£600$1260€1110 g
52012LOLIUM RIGIDUM WLR1 (als inhibitor resistant)LOLRIWLR1RYEGRASS, WIMMERA WLR1 (als inhibitor resistant)WIMMERA RYEGRASS WLR1 (als inhibitor resistant)£600$1260€1110 g
52013LOLIUM RIGIDUM WLR96 (acc-ase inhibitor resistant)LOLRIWLR96RYEGRASS, WIMMERA WLR96 (acc ase inhibitor resistant)WIMMERA RYEGRASS WLR96 (acc ase inhibitor resistant)£600$1260€1110 g
52014POLYGONUM LAPATHIFOLIUM (triazine resistant)POLLATRREDSHANK (triazine resistant)SMARTWEED (triazine resistant)£125$263€231 g
52015SENECIO VULGARIS (triazine resistant)SENVUTRGROUNDSEL (triazine resistant)GROUNDSEL (triazine resistant)£850$1785€1573 g