Weed Management

Herbicide Suitability

Broadleaf Knockdown Herbicides

Active Ingredient

Product Name Examples

Weeds Targeted

Amicide Advance 700, Amine 625, 2-4-D LV Ester

Selective sysemic herbicide for post-emergent control of broadleaf including ipomea vines, convolvulus vines, jute, fleabanes, bluetop and cobbler pegs

Tordon 75-D (registered for control of sicklepod only)

Selective systemic herbicide registered for post-emergent control of sicklepod in sugarcane (picloram) will remain active in the soil for some time depending on rate).

Cadence WG, Kamba 750

Selective systemic herbicide for post-emergent control of certain broadleaf weeds, including amaranthus, bellvine, blackberry nightside, calopo, caltrop, convolvolus, khaki weed, milkweed, prickly cucumber, sensitive plant and sicklepod.

Valor 500 WG (as a "spike" for non-selective knockdown mixes)

For enhanced knockdown and control of various vine and broadleaved weeds when mixed with the non-selective herbicides paraquat/diquat, glufosinate, glyphosate and also atrazine; and/or For long term residual weed control for a range of broadleaves and grasses, including calopo, fleabane, blackberry nightshade, wild rose, square weed, billygoat weed, balsam pear, pig weed, giant pigweed, milkweed, sicklepod, common sida, spider flower, amaranthus, pink convolvulus, red convolvulus, morning glory, star of Bethlehem, summer grass, green summer grass, feather top Rhodes grass, barnyard grass, crowsfoot grass.

Comet 400, Starane Advanced

Selective systemic herbicide for post-emergent control of broadleaf weeds including milkweed, giant sensitive plant, balsam pear, stinking passion flower, centro and blackberry nightshade.

ammonium Basta

Non-selective herbicide for post-emergent control of broadleaf and grass weeds.

Roundup Ultra Max, Roundup CT, Weedmaster ARGO, Weedmaster DST, Weedmaster DUO

Non-selective systemic broad-spectrum herbicide

Agritone 750, MCPA 750

Selective systemic herbicide for post-emergent control of broadleaf including ipomea vines, convolvulus vines, bluetop, gambia pea, rattle pod and merremia vines.

diquat Spray.Seed 250, Revolver

Non-selective contact herbicide controlling most annual and broadleaf weeds. Controls a broader spectrum of weeds than paraquat alone.

Agtryne MA

Selective systemic herbicide for post-emergent control of seedling broadleaf weeds including ipomea vines, blackberry nightshade, square weed, calopo, pigweed and rattlepod.

Nutgrass Knockdown Herbicides

Active Ingredient

Product Example

Weeds targeted

Roundup Ultra Max, Roundup CT, Weedmaster ARGO, Weedmaster DST, Weedmaster DUO

Non-selective systemic broad spectrum herbicide.

Sempra

Selective systemic herbicide for post-emergent control of nutgrass.

Grass Knockdown Herbicides

Active Ingredient

Product Example

Weeds targeted

Asulox, Rattler

Selective systemic herbicide for post-emergent control of annual grasses and hard to kill perennial grasses. Controls summer grass, barnyard grasses, green summer grass, crowsfoot, para grass, *itch grass, *Johnson grass, and *Guinea grass (*seedlings up to 100mm).

Daconate, Monopoly

Contact herbicide for post-emergent control of hard-to-kill grass. Controls summer grass, barnyard grasses, green summer grass, vasey grass, itch grass, *johnson grass, and *paspalum (*repeat application may be required for best results)

Broad-Spectrum Knockdown Herbicides

Active Ingredient

Product Example

Weeds targeted

Krismat WG

Post-emergent systemic herbicide for the control of certain broadleaf weeds and suppression of certain grasses, nutgrass and sour grass.

Basta

Non-selective herbicide for post-emergent control of broadleaf and grass weeds

Roundup Ultra Max, Roundup CT, Weedmaster ARGO, Weedmaster DST, Weedmaster DUO

Non-selective systemic broad spectrum herbicide.

Gramoxone 360 PRO, Paraquat, Spraytop

Contact herbicide for post-emergent control of grasses and some broadleaf weeds

Spray.Seed 250, Revolver

Non-selective contact herbicide controlling most annual and broadleaf weeds. Controls a broader spectrum of weeds than paraquat alone.

Residual (Pre-Emergent) Herbicides

Active Ingredient

Product Example

Weeds targeted

Ametryn 800 WG, Ametrex 800WG

Pre-emergent and early post-emergent herbicide for control of some broadleaf weeds and some grasses; including barnyard grass, crowsfoot grass, summer grass, bell vine, blue top, gambia pea, rattlepod, pigweed.

AmiTron 700WG

Early post-emergent and residual control of grass, broadleaf weeds and some sedges.

Atrazine 900WG, Gesaprim Granules

Selective pre-emergent and early post-emergent herbicide for control of most broadleaf weeds and some grasses. Controls blackberry nightshade, bell vine, convolvulus, rattlepods, pigweed, sesbania, thickhead, wild rose, giant sensitive plant and stinking passion vine.

Diuron 900WDG, Diurex WG

Pre-emergent and early post-emergent herbicide for control of grass and broadleaf weeds. Controls summer grass, barnyard grasses, Guinea grass, crowsfoot grass, pigweed and some vines

Bobcat Combi, Barrage

Pre-emergent and knockdown herbicide for control of grasses and broadleaf weeds. Controls summer grass, barnyard grasses, green summer grass, Guinea grass, crowsfoot, thickhead, square weed, bell vine, convolvulus vines, star of Bethlehem, stinking passion vine, itch grass, centro and giant sensitive plant

Valor 500 WG

For enhanced knockdown and control of various vine and broadleaved weeds when mixed with the non-selective herbicides paraquat/diquat, glufosinate, glyphosate and also atrazine; and/or For long term residual weed control for a range of broadleaves and grasses, including calopo, fleabane, blackberry nightshade, wild rose, square weed, billygoat weed, balsam pear, pig weed, giant pigweed, milkweed, sicklepod, common sida, spider flower, amaranthus, pink convolvulus, red convolvulus, morning glory, star of Bethlehem, summer grass, green summer grass, feather top Rhodes grass, barnyard grass, crowsfoot grass.

Spark

Pre-emergent herbicide for control of certain annual grasses and broadleaf weeds. Controls summer grass, barnyard grasses, green summer grass, urochloa, Guinea grass, milkweed, star of Bethlehem, bell vine, pink convolvulus, black/red pigweed and blackberry nightshade.

Bobcat i_MAXX SG

Broad spectrum pre-emergent herbicide for control of a wide range of grasses and broadleaf weeds. Controls awnless barnyard grass, barnyard grass, green summer grass, Guinea grass, liverseed grass, summer grass, blackberry nightshade, blue top, calopo vine, common sida, pigweed, green amaranth, ipomea vines, milkweed, sowthistle.

Balance

Selective pre-emergent herbicide for control of certain grasses and broadleaf weeds. Controls summer grasses, barnyard grasses, green summer grass, Guinea grass, blue top, crowsfoot grass, thick head and blackberry nightshade.

Mentor

Selective herbicide for pre-emergence and early post-emergence control of grass and broadleaf weeds. Controls crowfoot grass, summer grass, green summer grass, awnless barnyard grass and many broadleaf weeds and vines – bell vine, convolvulus, star of Bethlehem.

Stomp Xtra, Rifle 440

Pre-emergent selective herbicide for control of summer grass, barnyard grasses, crowsfoot, Guinea grass and green summer grass.

Dual Gold, Bouncer 960S

Pre-emergent selective herbicide for control of many important annual grasses and some broadleaf weeds when mixed with Gesaprim (Atrazine) as per label instructions

Primextra Gold

Pre-emergent herbicide for control of certain grasses and broadleaf weeds, including awnless barnyard grass, barnyard grass, crowsfoot grass, green summer grass, summer grass, Guinea grass, liverseed grass, bellvine, blue top, blackberry nightshade, Mexican clover, passionfruit vines, pigweed, square weed, Star of Bethlehem, wild rose.

Palmero TX

Pre-emergent control of grass and broadleaf weeds

Trifluralin, TriflurX

Pre-emergent selective herbicide for control of annual grasses and certain broadleaf weeds: Barnyard grasses, summer grass, urochloa, Guinea grass, Johnson grass and black pigweed.

Fallow Management


The list of herbicdes for some fallow crops is not exhaustive. A range of publications dealing with the agronomy of chickpeas, mungbeans, peanuts, sorghum, safflowers, soybeans and sunflowers are available from the Grains Research and Development Corporation (GRDC).