Description
Which weeds does Conquest Metsulfuron 600WG Herbicide control?
Conquest herbicide can be used to control a wide range of weed species:Â
| Skeleton weed (Chondrilla juncea) | Furze (gorse) (Ulex europaeus) | Rubber vine (Cryptostegia grandiflora) |
| African turnip weed (Sisymbrium thellungii) | Great mullein (aarons Rod) (Verbascum thapsus) | Saffron thistle (Carthamus lanatus) |
| Alligator weed (Alternanthera philoxeroides) | Hare’s ear (Conringia orientalis) | Shepherd’s purse (Capsella bursa-pastoris) |
| Austral bracken – Common bracken (Pteridium esculentum) – Bracken Fern | Hawthorn (Crataegus monogyna (Crataegus laevigata)) | Slender celery (Cyclospermum leptophyllum (Apium leptophyllum)) |
| Australian blackthorn (Bursaria spinosa) | Henbit dead-nettle (Lamium amplexicaule) | Slender thistles (Carduus tenuiflorus, Carduus pycnocephalus) |
| Australian dodder (Cuscuta australis) | Indian hedge mustard (Sisymbrium orientale (Sisymbrium columnae)) | Smallflower fumitory (Fumaria parviflora) |
| Ball mustard (Neslia paniculata) | Inkweed (Phytolacca octandra) | Smartweed (water pepper) (Polygonum hydropiper) |
| Bellyache bush (Jatropha gossypiifolia) | Japanese sunflower (Tithonia diversifolia) | Smooth sowthistle (common sowthistle, milk thistle) (Sonchus oleraceus) |
| Black bindweed – Climbing buckwheat (Fallopia convolvulus) (Polygonum convolvulus) | Kangaroo thorn (hedge wattle) (Acacia paradoxa (Mimosa armata, Acacia armata, Acacia microcantha, Acacia ornith)) | Soursob (Annona muricata, Oxalis pescarpae) |
| Blakely’s red gum (Eucalyptus blakelyi) | Lantana (Lantana camara L.) | Spiny emex (three cornered jack, doublegee) (Emex australis) |
| Boggabri weed (Amaranthus mitchellii) | Lincoln weed (sand rocket) (Diplotaxis tenuifolia) | St. Johns wort (Hypericum perforatum) |
| Boneseed – Bitou bush (Chrysanthemoides monilifera) | Long storksbill (Erodium botrys) | Stagger weed (Stachys arvensis) |
| Bramble – blackberry (Rubus fruticosus) | Mallee catchfly (Silene apetala) | Subterranean clover (subclover) (Trifolium subterraneum) |
| Bridal creeper (Myrsiphyllum asparagoides) (asparagus medeoloides, dracaena medeoloides, medeola) | Medics (Medicago spp) | Sweet Briar (eglantine) (Rosa rubiginosa) |
| Broadleaved dock (Rumex obtusifolius) | Mistflower (Creeping crofton weed) (Ageratina riparia (Eupatorium riparium)) | Turnip weed (short fruited wild turnip, giant mustard) (Rapistrum rugosum) |
| Cape tulip (Homeria spp.) | Narrow-leaved peppermint (Eucalyptus radiata) | Variegated thistle (Cardus marianus, milk thistle, blessed milkthistle, Marian thistle, Mary thistle, Saint Mary’s thistle, Mediterranean milk thistle,) (Silybum marianum) |
| Chicory (Cichorium intybus) | New Zealand spinach (Tetragonia tetragonioides) | Volunteer chickpeas (Cicer arietinum) |
| Common chickweed (Stellaria media) | Noogoora burr (Xanthium occidentale (Xanthium pungens)) | Volunteer field peas (Pisum sativum) |
| Common ragwort (Senecio jacobaea) | Onion grass (Romulea rosea) | Volunteer lupins (blue lupins, narrow leaf lupin) (Lupinus angustifolius (Lupinus albus)) |
| Crofton weed (Ageratina adenophora (Eupatorium adenophorum) | Parthenium weed (Parthenium hysterophorus) | Volunteer Sunflower (Helianthus annuus) |
| Cut-leaf mignonette (Reseda lutea L.) | Paterson’s curse (Echium plantagineum L) | Wild garlic, ramsons, buckrams (Allium ursinum (Allium vineale)) |
| Darling pea (swainsonia, broughton pea) (Swainsona spp) | Prickly lettuce (wild lettuce) (Lactuca serriola (Lactuca saligna)) | Wild turnip (Brassica rapa (Brassica tournefortii)) |
| Dense – flower fumitory (Fumaria densiflora) | Prostrate knotweed (Wireweed, Common knotgrass, Hogweed) (Polygonum aviculare (Polygonum heterophyllum)) | Yellow box (Eucalyptus melliodora) |
| Docks (sorrels) (Rumex acetosella) | Red pigweed (munyeroo, purslane) (Portulaca oleracea) | Yellow burr weed (amsinckia) (Amsinckia species) |
| Faba bean (Vicia faba minor) | Redstem filaree (pinweed, common storksbill) (Erodium cicutarium) | Privet ((Ligustrum spp.) |
| Fennel (Foeniculum vulgare) | Rough poppy (Papaver hybridum) |
The APVMA permit (PER9907) advises Metsulfuron-Methyl Herbicide can be used for Singapore Daisy (Sphagneticola trilobata) control. The recommended mix of Glyphosate 360 g/L (200mL/10L Water) with Metsulfuron-methyl 600WG (1.5gm/10L) can be applied in a spot spray application. The inclusion of a good wetting agent or penetrant is advised to achieve the best results.
What is the active ingredient in Conquest Metsulfuron 600WG?Â
The active ingredient in Conquest Metsulfuron 600WG is metsulfuron-methyl @ 600g/kg. Metsulfuron-methyl is a herbicide used to control both pre- and post-emergent weeds; particularly broadleaf weeds, brush species, and grasses.Â
This ingredient works by inhibiting the production of essential enzymes within the plant, which stops certain critical growth processes from occurring, eventually leading to death. It is absorbed by both the leaves and roots of a plant, making it what’s known as a systemic herbicide.


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