Broadstrike Herbicide

Broadstrike Herbicide (Flumetsulam) is a Group B water-dispersible granule containing 800 g/kg flumetsulam.

It controls broadleaf weeds such as wild radish, Paterson’s curse, capeweed and turnip weed. Growers use it in winter cereals, pulses, maize, peanuts and legume pastures. It suits cereals undersown with clover, lucerne or medics. It also works as a salvage spray to stop weed seed set.

Pack Sizes: 500 g. Registrant: Corteva Agriscience Australia Pty Ltd (APVMA #: 40714/101639)

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Description

Broadstrike flumetsulam herbicide for broadleaf weeds in crops and pastures

Broadstrike Flumetsulam Herbicide from Corteva Agriscience controls broadleaf weeds in winter cereals, pulses and legume pastures. It contains 800 g/kg flumetsulam as a water-dispersible granule. As a Group B herbicide, it blocks the enzyme weeds need to make key amino acids. Consequently, treated weeds stop growing and stop competing soon after spraying.

Target weeds include wild radish, Paterson’s curse, capeweed, turnip weed and charlock. However, Broadstrike has no annual ryegrass activity.

Where can Broadstrike Herbicide be used?

While Broadstrike Herbicide was originally registered for post-emergent broadleaf weed control in field peas and winter cereals, usage has since been extended to include post-emergence and salvage control of broadleaf weeds in these contexts:

Winter cereals (including those undersown with clover, lucerne, or medic)
Seed crops and pastures
- Clover
- Fenugreek
- Lathryus
- Lucerne
- Medic
- Serradella
- Vetch (Popany vetch only)
Chickpeas
Field peas
Lentils
Maize
Peanuts

It is also registered for the pre-emergence control of certain broadleaf weeds in maize and soybeans.

Which weeds does Broadstrike Herbicide target?

Broadstrike Herbicide is registered to control the following weeds:

Amsinckia (yellow burrweed) [Amsinckia spp.]
Annual ground cherry (Physalis ixocarpa)
Anoda weed (Anoda cristata)
Ball mustard (Neslia paniculata)
Black (giant) pigweed
Bladder ketmia (Hibiscus trionum)
Boggabri weed (Amaranthus mitchellii)
Buchan weed (Hirschfeldia incana)
Calepina (white ball mustard) [Calepina irregularis]
Caltrop (Tribulus terrestris)
Capeweed (Arctotheca calendula)
Charlock (Sinapis arvensis)
Cobbler’s pegs (black-jack) [Bidens pilosa]
Cotula (Cotula spp.)
Dead-nettle (Lamium amplexicaule)
Doublegee (Emex australis)
Dwarf marigold (Schkuhria pinnata)
Fat hen (Chenopodium album)
Fierce thornapple (Datura ferox)
Fumitory (Fumaria officinalis)
Hedge mustard (Sisymbrium officinale)
Indian hedge mustard (Sisymbrium orientale)
Lesser swinecress (Lepidium didymum, formerly Coronopus didymus)
Lupin (Lupinus spp.)
Marshmallow (Malva parviflora)
Narrow-leaved lupin (Lupinus angustifolius)
New Zealand spinach (Tetragonia tetragonioides)
Paterson’s curse (Salvation Jane) [Echium plantagineum]
Peppercress (Lepidium africanum)
Pheasant’s eye (Adonis microcarpa)
Red pigweed (Amaranthus retroflexus)
Shepherd’s purse (Capsella bursa-pastoris)
Spiny emex (Emex australis, current accepted name Rumex hypogaeus)
Spurrey (Spergula arvensis)
Stagger weed (Stachys arvensis)
Three-horned bedstraw (Galium tricornutum)
Turnip weed (Rapistrum rugosum)
Volunteer canola (Brassica napus)
Western Australian blue lupin (Lupinus cosentinii)
Ward’s weed (Carrichtera annua)
Wild gooseberry (Physalis minima)
Wild radish (Raphanus raphanistrum)
Wild turnip (Brassica tournefortii)
Wireweed (Polygonum aviculare)

Frequently asked questions

Q. What is the active ingredient in Broadstrike Herbicide?

The active ingredient in Broadstrike spray is flumetsulam at 800g/kg, formulated as a water-dispersible granule. It is a Group 2 herbicide (formerly Group B), meaning it works by inhibiting the enzyme acetolactate synthase (ALS), which plays a key role in a plant’s growth functions.

Q. What are the signs of Broadstrike activity in weeds?

Typical symptoms of Broadstrike Herbicide activity in weeds include cessation of growth and chlorotic yellowing, which then turns into reddening of the leaves when plants are actively dying.

Under usual winter conditions, 6 to 8 weeks will elapse before the maximum effects of Broadstrike are visible, although susceptible plants will cease growing immediately following application. In summer, expect to see activity much faster (2 to 4 weeks).

Q. Is resistance management common when using Broadstrike Herbicide?

Weeds can develop resistance to Group 2 herbicides relatively readily. As a result, when using Broadstrike Herbicide, it’s important not to rely on repeated Group 2 use in the same paddock. Rotate modes of action, use effective tank-mix or sequential partners from other groups, and follow an integrated weed management program to protect your chosen chemistry as much as possible.

Q. What is the application rate of Broadstrike Herbicide per ha (hectare)?

According to the Broadstrike label, the application rate will vary based on crop and target weed — so always adhere to the rate table for your specific situation. Across most registered uses, however, the standard application rate is 25g/ha, with 50g/ha used in some situations (e.g., grazing lucerne, the higher end of the maize and soybean ranges).

Because Broadstrike Herbicide is a granule formulation dosed in grams per hectare, measure carefully and confirm the label rate for your crop and weed before mixing.

Q. When should Broadstrike Herbicide be applied?

It is recommended to spray Broadstrike Herbicide early while target weeds are small and actively growing. The product label sets out specific maximum weed sizes by species, provided either as a leaf number or plant diameter in centimetres, rather than a blanket stage — so be certain to check the table for your target weeds and treat before they exceed the listed size.

Best results will come from application on warm (above 5°C), sunny days with good spray coverage. Do not apply if rain is likely within 4 hours of a post-emergence treatment, and avoid waterlogged soils.

Q. Is Broadstrike Herbicide safe for use on clover and lucerne?

Yes, Broadstrike can be used for clover and lucerne, according to the product label. It is noted for its selectivity to medic, lucerne, clover, and most forage legumes when used as directed. The label allows application from the 2-3-trifoliate leaf stage of these legumes, and grazing lucerne uses a rate of 25g/ha (rather than 50g/ha). The 50g/ha rate should only be used from the 4-trifoliate stage onwards.

Note that the label directs not to apply Broadstrike Herbicide to lucerne seed crops fewer than 8 weeks before flowering. Always confirm your crop, growth stage, and application rate against the Broadleaf label before spraying.

Q. Which herbicides can Broadstrike Herbicide be tank-mixed with?

According to the product label, Broadstrike Herbicide can be tank-mixed with registered partners including MCPA, 2,4-DB, bromoxynil, diuron, terbutryn, pendimethalin and trifluralin. However, specific compatible partners will depend on the crop (e.g., MCPA is not to be used on lucerne and clover), so first check the label for your situation.

Q. Should I use a wetter with Broadstrike Herbicide?

A wetter or spraying oil is required in some situations and prohibited in others. For example, in cereals, the label directs users to always apply with Uptake Spraying Oil at 500mL per 100L (excluding barley and oats), or a non-ionic wetting agent like BS-1000 at 200mL/100L. Meanwhile, in chickpeas and field peas, the label cautions against using any spray additives or tank-mixing with other chemicals.

Ultimately, whether you use an adjuvant should come down to the mixing directions for your specific crop as stated on the product label.

Q. What are Broadstrike Herbicide’s grazing withholding and plant-back periods?

Once again, the grazing withholding periods and plant-back intervals are reliant on your crop.

The Broadstrike product label specifies no grazing or cutting for stock foods for the following periods:

Cereals, chickpeas, field peas, lentils, peanuts, vetch, and soybeans: 4 weeks
Fenugreek, lathyrus, lucerne, medic, and serradella: 3 days
Maize: 14 days
Pastures: 7 days

Plant-back (re-cropping) intervals also vary significantly, ranging from immediate for crops like cereals, maize, and soybeans, to around 3 months for barley, oats, chickpeas, clover, lucerne, and peanuts, all the way out to 6 to 12 months for canola and 24 months for cotton.

Always check the specific grazing and plant-back directions on the product label before treating or re-sowing. The listed withholding periods assume Broadstrike is being used on its own, not in a tank-mix.

Q. Is Broadstrike Herbicide comparable to Broadblade Herbicide?

Yes. Both products contain 800 g/kg flumetsulam as a water-dispersible granule. Both are Group B herbicides for broadleaf weeds. Also, both cover winter cereals, pulses, legume pastures, maize and peanuts. Both come in a 500 g pack. The main difference is the registrant. Corteva Agriscience makes Broadstrike, while Titan Ag makes Broadblade. In addition, Broadblade lists pre-emergence use in pigeon peas. Therefore, compare both labels before you substitute one for the other.

Farm Chemical Product Range

Features & Benefits

Contains 800 g/kg flumetsulam in a water-dispersible granule with a Group B (ALS inhibitor) mode of action.
Low use rates of 25 g/ha for most situations, with 50 g/ha in grazing lucerne.
Highly selective to medics, lucerne, clover, most forage legumes and annual and perennial grasses.
Controls broadleaf weeds in winter cereals undersown with clover, lucerne or medics.
Salvage spray option cuts seed set in wild radish, turnip weed and Paterson’s curse.
Pre-emergence use in maize and soybeans, plus post-emergence use in maize, lucerne and peanuts.
Tank mixes with bromoxynil, 2,4-DB, MCPA, diuron and terbutryn to widen the weed spectrum.
Short grazing withholding periods of 3 days for lucerne, medic and serradella, and 7 days for pastures.
Susceptible weeds stop growing and become non-competitive soon after application.

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Directions Of Use

Click here for Broadstrike Herbicide (Flumetsulam) directions for use

General Instructions

Broadstrike granules disperse readily in water once added to fast moving water.
Maintain agitation at all times, including during mixing and spraying.
Only mix enough spray solution for immediate use and avoid storing it.
For rigs with limited bypass agitation, pre-disperse the granules in a bucket before adding them to the main tank.
Ground application: apply in 50 to 150 litres of water per hectare through a calibrated sprayer that delivers at least a medium quality spray.
Best results come on warm (above 5°C), sunny days with more than 50 L/ha of spray volume (preferably more than 75 L/ha).

Rate Guide

The rates below are a general guide only. Refer to the product label for the full crop, weed and growth stage tables, tank mixes, spray drift restraints and plant-back periods.

Crop or situation	Crop growth stage	Rate	Spray additive
Chickpeas, field peas	Chickpeas 4 to 6 branches, field peas 2 to 6 nodes (no later than 6 weeks after emergence)	25 g/ha	Do not use any spray additives or tank mixes
Lentils, serradella	Lentils 4 to 8 leaves, serradella 3 leaves onwards	25 g/ha	Uptake Spraying Oil 500 mL/100 L or BS-1000 200 mL/100 L
Fenugreek, lathyrus, vetch (Popany only)	3 fully expanded leaves onwards	25 g/ha	Broadstrike alone or with a wetter only
Wheat, triticale, cereal rye	Wheat 3-leaf to start of jointing, triticale and cereal rye early post-tillering to start of jointing	10 to 25 g/ha (depending on weed, region and tank mix)	Uptake Spraying Oil 500 mL/100 L or a non-ionic wetter such as BS-1000 200 mL/100 L
Barley, oats	Early post-tillering to start of jointing (Zadoks 21 to 31)	10 to 25 g/ha (depending on weed, region and tank mix)	Wetting agent such as BS-1000 only
Medic, lucerne and clover pastures and seed crops	2 to 3 trifoliate leaves onwards	25 g/ha	Uptake Spraying Oil 500 mL/100 L or a non-ionic wetter
Grazing lucerne	4 trifoliate leaves onwards	50 g/ha	Uptake Spraying Oil or wetter
Salvage spray, winter cereals	Flowering to early dough (Zadoks 61 to 83)	25 g/ha maximum	Uptake Spraying Oil 500 mL/100 L or BS-1000 200 mL/100 L
Salvage spray, established grazing lucerne, clover, medic and legume/grass pastures	Weeds at early flowering to early pod formation	25 or 50 g/ha	Uptake Spraying Oil 500 mL/100 L or BS-1000 200 mL/100 L
Maize, soybeans (pre-emergence)	Pre-plant incorporated (soybeans), incorporated by sowing (soybeans) or post-plant pre-emergence	25 or 50 g/ha	May be tank mixed with pendimethalin (and Treflan 480 in soybeans)
Maize, lucerne, peanuts (post-emergence)	Maize up to 8 leaf, lucerne up to 6 trifoliate leaf, peanuts up to 6 leaf	25 or 50 g/ha	Uptake Spraying Oil 500 mL/100 L or BS-1000 200 mL/100 L
Agricultural non-crop areas (spot spray)	Weeds at rosette stage before running up to flower	25 g/100 L	Uptake Spraying Oil 500 mL/100 L
Seed crops, Tasmania only (clovers and lucerne)	1 to 3 trifoliate leaves onwards	25 or 40 g/ha	Uptake Spraying Oil 500 mL/100 L or BS-1000 200 mL/100 L

Re-treatment Interval

Information not found in source docs.
For salvage spraying, the label limits use to once per cropping cycle to minimise the development of herbicide resistance.

Minimum Recropping Periods

Wheat, cereal rye, triticale, medics, maize and soybeans may be planted at any time after application.
Other crops need 3 to 24 months, depending on crop, rate and region. Cotton needs 24 months.
Crops susceptible to Broadstrike include, but are not limited to, canola, cotton, faba beans, lupins, sorghum and sunflowers.
Check the recropping table, rainfall requirements and soil type comments on the label before sowing.

Critical Comments

Do not apply to plants which may be stressed (not actively growing) due to prolonged periods of extreme temperature (less than 5°C or greater than 30°C), moisture stress (water-logged or drought affected), poor nutrition or previous herbicide treatment as reduced levels of control may result.
Do not apply to plants which have suffered frosting for extended periods. Allow at least 2 days frost free prior to treatment.
Do not apply post-emergence treatments if rain is likely within 4 hours.
Do not irrigate (any method) treated crop or pasture for 48 hours after application.
Do not apply to crops affected by disease or by previous herbicide treatment (eg triazines or sulfonylureas).
Do not use any spray additives, or tank mix any other chemicals with Broadstrike Herbicide when using on chickpeas or field peas.
Always allow 7 days between application of a grass herbicide and Broadstrike in chickpeas and field peas.
Do not apply to lucerne seed crops less than 8 weeks before flowering.
Use the 50 g/ha rate in grazing lucerne only. Do not apply at 50 g/ha to lucerne used for seed production.
In lucerne, do not use MCPA. In medics, do not use MCPA.
Do not use the salvage spray technique if you have already applied a Group B herbicide to the crop or pasture this season.
Only use this salvage spray technique with Broadstrike once per cropping cycle to minimise the development of herbicide resistance. If you suspect herbicide resistance in broadleaved weeds, do not use this technique.
Do not use a Broadstrike salvage spray in pastures for seed production.
Weeds that have not started to flower at application time may not be controlled by the salvage spray technique.

Rates are a general guide only. Before opening, carefully read Broadstrike Herbicide (Flumetsulam) directions for use, precautionary and protection statements, storage and disposal, safety directions and first aid instructions. The product is designed for the particular purpose indicated on the label. Failure to use the product strictly as directed may be illegal and dangerous, and render the product ineffective.

Questions and answers from customers

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Disclaimer: This information and product advice is not intended to be advice or recommendations for any specific use or circumstance. You should seek specialist advice before using any product. Always follow the manufacturer’s guidelines. Specialist Sales liability is limited.

Host & Pest

Host	Pest
Host & Pest
Agricultural Non-Crop Areas, Commercial Area - General, Commercial Pastures, Fenceline In Non-Crop Area	Capeweed, Marshmallow - Suppression, Paterson's Curse, Wild Radish Or Radish Weed
Agricultural Non-Crop Areas, Commercial Area - General, Commercial Pastures, Fenceline In Non-Crop Area	Capeweed - Suppression, Chickweed - Suppression, Fat Hen, Fumitory - Suppression, Lesser Swinecress Or Bittercress, Mustard, Shepherd's Purse, Spurry - Suppression, Wild Radish Or Radish Weed, Wild Turnip, Wireweed, Hogweed - Suppression
Barley, Barley - Undersown With Clover, Barley - Undersown With Medic, Barley U'sown (lucerne), Clover Seed Crop, Medic Seed Crop, Oats, Oats - Undersown With Clover, Oats - Undersown With Medic, Oats U'sown (lucerne), Triticale, Triticale - Undersown With Clover, Triticale - Undersown With Lucerne, Triticale - Undersown With Medic, Wheat, Wheat - Undersown With Clover, Wheat - Undersown With Medic, Wheat U'sown (lucerne)	Amsinckia, Yellow Burrweed Or Burr Grass, Ball Mustard, Buchan Weed, Buchan Weed - Suppression, Calepina, Capeweed, Cotulas, Deadnettle - Suppression, Doublegee - Suppression, Dwarf Marigold, Fat Hen, Hedge Or Wild Mustard, Indian Hedge Mustard, Marsh Or Smallflower Mallow, Marshmallow - Suppression, Narrow Leaf Lupin, New Zealand Spinach - Suppression, Paterson's Curse, Paterson's Curse - Suppression, Peppercress, Peppercress - Suppression, Pheasant's-Eye Or Adonis, Sand Plain Or W.a. Blue Lupin, Shepherd's Purse, Stagger Weed - Suppression, Three Cornered Jack Or Doublegee, Three-Horned Bedstraw, Turnip Weed, Volunteer Canola Or Rapeseed, Volunteer Lupin, Ward's Weed, Wild Radish - Suppression, Wild Radish Or Radish Weed, Wild Turnip
Barley - Salvage Spray, Cereal Rye - Salvage Spray, Clover - Salvage Spray, Grass/legume Pasture - Salvage Spray, Lucerne - Salvage Spray, Medics - Salvage Spray, Oats - Salvage Spray, Triticale - Salvage Spray, Wheat - Salvage Spray	Paterson's Curse, Turnip Weed, Wild Radish Or Radish Weed
Barrel Medic Pasture, Cereal Rye, Cereal Rye - Undersown With Clover, Cereal Rye - Undersown With Medic, Cereal Rye Undersown With Lucerne, Commercial Area - Outdoors, Fenceline Weed Control, Snail Medic Pasture, Spineless Burr Medic, Stock Camp, Stockyard, Subterranean Clover, White Clover Pasture	Amsinckia, Yellow Burrweed Or Burr Grass, Ball Mustard, Buchan Weed, Buchan Weed - Suppression, Calepina, Capeweed, Charlock, Cotulas, Deadnettle - Suppression, Doublegee - Suppression, Dwarf Marigold, Fat Hen, Hedge Or Wild Mustard, Indian Hedge Mustard, Marsh Or Smallflower Mallow, Marshmallow - Suppression, Narrow Leaf Lupin, New Zealand Spinach - Suppression, Paterson's Curse, Paterson's Curse - Suppression, Peppercress, Peppercress - Suppression, Pheasant's-Eye Or Adonis, Sand Plain Or W.a. Blue Lupin, Shepherd's Purse, Stagger Weed - Suppression, Three Cornered Jack Or Doublegee, Three-Horned Bedstraw, Turnip Weed, Volunteer Canola Or Rapeseed, Volunteer Lupin, Ward's Weed, Wild Radish - Suppression, Wild Radish Or Radish Weed, Wild Turnip
Chickpea	Amsinckia, Yellow Burrweed Or Burr Grass, Ball Mustard, Capeweed - Suppression, Doublegee - Suppression
Clover Pasture, Lucerne Pasture - Refer To Label, Medic Pasture	Amsinckia, Yellow Burrweed Or Burr Grass, Ball Mustard, Buchan Weed, Buchan Weed - Suppression, Calepina, Capeweed, Cotulas, Deadnettle - Suppression, Doublegee - Suppression, Dwarf Marigold, Fat Hen, Hedge Or Wild Mustard, Indian Hedge Mustard, Marsh Or Smallflower Mallow, Marshmallow - Suppression, Narrow Leaf Lupin, New Zealand Spinach - Suppression, Paterson's Curse, Paterson's Curse - Suppression, Peppercress, Peppercress - Suppression, Pheasant's-Eye Or Adonis, Sand Plain Or W.a. Blue Lupin, Shepherd's Purse, Stagger Weed - Suppression, Three Cornered Jack Or Doublegee, Three-Horned Bedstraw, Turnip Weed, Volunteer Canola Or Rapeseed, Volunteer Lupin, Ward's Weed, Wild Radish - Suppression, Wild Radish Or Radish Weed, Wild Turnip, Wireweed, Knotweed Or Hogweed
Fenugreek, Lathyrus, Serradella, Vetch (popany Only)	Buchan Weed - Suppression, Deadnettle - Suppression, Doublegee - Suppression, Marshmallow - Suppression, New Zealand Spinach - Suppression, Paterson's Curse - Suppression, Peppercress - Suppression, Stagger Weed - Suppression, Wild Radish - Suppression
Fenugreek Pasture, Lathyrus Pasture, Serradella Pasture	Amsinckia, Yellow Burrweed Or Burr Grass, Ball Mustard, Buchan Weed, Calepina, Capeweed, Cotulas, Dwarf Marigold, Fat Hen, Hedge Or Wild Mustard, Indian Hedge Mustard, Marsh Or Smallflower Mallow, Narrow Leaf Lupin, Paterson's Curse, Peppercress, Pheasant's-Eye Or Adonis, Sand Plain Or W.a. Blue Lupin, Shepherd's Purse, Three Cornered Jack Or Doublegee, Three-Horned Bedstraw, Turnip Weed, Volunteer Canola Or Rapeseed, Volunteer Lupin, Ward's Weed, Wild Radish Or Radish Weed, Wild Turnip, Wireweed, Knotweed Or Hogweed
Fenugreek Seed Crop, Lathyrus Seed Crop, Serradella Seed Crop, Vetch (popany Only) Seed Crop	Amsinckia, Yellow Burrweed Or Burr Grass, Ball Mustard, Buchan Weed, Calepina, Capeweed, Cotulas, Dwarf Marigold, Fat Hen, Hedge Or Wild Mustard, Indian Hedge Mustard, Marsh Or Smallflower Mallow, Narrow Leaf Lupin, Paterson's Curse, Peppercress, Pheasant's-Eye Or Adonis, Sand Plain Or W.a. Blue Lupin, Shepherd's Purse, Three Cornered Jack Or Doublegee, Three-Horned Bedstraw, Turnip Weed, Volunteer Canola Or Rapeseed, Volunteer Lupin, Ward's Weed, Wild Radish Or Radish Weed, Wild Turnip
Field Pea	Amsinckia, Yellow Burrweed Or Burr Grass, Ball Mustard, Doublegee - Suppression, Indian Hedge Mustard, Volunteer Lupin, Wild Radish - Suppression
Lentil	Three-Horned Bedstraw, Turnip Weed, Volunteer Lupin, Wild Radish - Suppression, Wild Turnip
Lucerne - Post-Emergent, Maize-Post-Emergent, Peanut - Post-Emergent	Anoda Weed, Bladder Ketmia, Boggabri Weed, Caltrop Or Yellow Vine, Fat Hen, Fierce Thornapple, Ground Or Annual Ground Cherry, Perennial Pigweed, Turnip Weed, Volunteer Cotton - Roundup Ready, Wild Or Perennial Gooseberry, Wild Radish Or Radish Weed
Lucerne Seed Crop	Amsinckia, Yellow Burrweed Or Burr Grass, Ball Mustard, Buchan Weed, Buchan Weed - Suppression, Calepina, Capeweed, Capeweed - Suppression, Chickweed - Suppression, Cotulas, Deadnettle - Suppression, Doublegee - Suppression, Dwarf Marigold, Fat Hen, Fumitory - Suppression, Hedge Or Wild Mustard, Indian Hedge Mustard, Lesser Swinecress Or Bittercress, Marsh Or Smallflower Mallow, Marshmallow - Suppression, Mustard, Narrow Leaf Lupin, New Zealand Spinach - Suppression, Paterson's Curse, Paterson's Curse - Suppression, Peppercress, Peppercress - Suppression, Pheasant's-Eye Or Adonis, Sand Plain Or W.a. Blue Lupin, Shepherd's Purse, Spurry - Suppression, Stagger Weed - Suppression, Three Cornered Jack Or Doublegee, Three-Horned Bedstraw, Turnip Weed, Volunteer Canola Or Rapeseed, Volunteer Lupin, Ward's Weed, Wild Radish - Suppression, Wild Radish Or Radish Weed, Wild Turnip, Wireweed, Hogweed - Suppression, Wireweed, Knotweed Or Hogweed
Maize - Pre-Emergent, Soybean - Pre-Emergent	Annual Or Common Ragweed, Bladder Ketmia, Boggabri Weed, Caltrop Or Yellow Vine, Cobbler's Pegs, Fat Hen, Giant Or Black Pigweed, Volunteer Cotton - Roundup Ready, Wild Radish Or Radish Weed
Maize - Pre-Plant, Soybean - Pre-Plant	Annual Or Common Ragweed, Bladder Ketmia, Boggabri Weed, Caltrop Or Yellow Vine, Cobbler's Pegs, Fat Hen, Giant Or Black Pigweed, Volunteer Cotton - Roundup Ready
Vetch (popany Only) Pasture	Amsinckia, Yellow Burrweed Or Burr Grass, Ball Mustard, Buchan Weed, Calepina, Capeweed, Dwarf Marigold, Fat Hen, Hedge Or Wild Mustard, Indian Hedge Mustard, Marsh Or Smallflower Mallow, Narrow Leaf Lupin, Paterson's Curse, Peppercress, Pheasant's-Eye Or Adonis, Sand Plain Or W.a. Blue Lupin, Shepherd's Purse, Three Cornered Jack Or Doublegee, Three-Horned Bedstraw, Turnip Weed, Volunteer Canola Or Rapeseed, Volunteer Lupin, Ward's Weed, Wild Radish Or Radish Weed, Wild Turnip, Wireweed, Knotweed Or Hogweed

Tips For Use

Application

Spray actively growing weeds on warm, sunny days for best results.
Maximise spray coverage with more than 75 L/ha of total spray volume where possible.
Spray capeweed, charlock and Paterson’s curse in pasture as soon as possible after the autumn break.
For best results in pasture, follow up with moderate grazing two weeks after application.
For salvage spraying wild radish, time treatment to coincide with green, soft pods. Squeeze a pod between your fingernails to check for green or white seeds.

Tank Mix Order

Quarter fill the spray tank and agitate.
Add Broadstrike using the mixing procedure above.
Add Verdict 520 if it is to be used.
Half-fill the spray tank.
Add wettable powders, dry flowables, suspension concentrates, soluble liquids and/or emulsifiable concentrates.
Add Uptake Spraying Oil when half full.
Add other adjuvants according to their label.
Add water to fill the spray tank.

Cleaning Spray Equipment

After use, empty the tank completely, drain the whole system and wash inside the tank with a pressure hose.
Rinse the tank, pump, lines, hoses and nozzles with clean water. Drain and repeat twice.
Before spraying sensitive crops, circulate an alkali detergent at 500 mL/100 L of water for at least fifteen minutes.
Remove filters and nozzles and clean them separately, then flush the system with clean water.
Chlorine-based cleaners are not recommended.

Resistance Management

Broadstrike is a Group B herbicide with the acetolactate synthase (ALS) inhibitor mode of action.
Some naturally occurring weed biotypes resistant to Group B herbicides may exist in any weed population.
Resistant weeds will not be controlled by this product or other Group B herbicides.
Check the Group B resistance status of wild radish and turnip weed before salvage spraying.

Protection of Crops, Livestock and the Environment

Dangerous to aquatic plants and susceptible crops. Do not contaminate dams, waterways or drains with the product or its containers.
Do not apply to waterlogged soils or if heavy rain is expected within 48 hours of application.
Do not apply in dead calm or excessive wind, or with equipment producing small droplets.
Do not graze or cut treated crops for stock food except as specified under withholding periods.
Poisonous plants may become more palatable after spraying. Keep livestock out of the area until the plants have died down.

Storage

Keep out of reach of children.
Store in the closed, original container in a securely locked, dry, cool, well-ventilated place, out of direct sunlight.
Do not store near food, feedstuffs, fertilisers or seed.

Disposal

Rinse container before disposal. Add rinsings to the spray tank.
Do not dispose of undiluted chemicals on site.
Dispose of at an approved waste management facility.
If no approved waste management facility is available, bury the containers below 500 mm in a disposal pit specifically marked and set up for this purpose, clear of waterways, desirable vegetation and tree roots.
Empty containers and product should not be burnt.

Safety Directions

Product will irritate the eyes.
When handling the granules, avoid contact with eyes.
If product is in eyes, wash it out immediately with water.
Wash hands after use.

Additional User Safety

Use safety glasses with side shields.
Wear chemical-resistant gloves (such as nitrile, neoprene or PVC) where prolonged or frequently repeated contact could occur.
Wear clean, body-covering clothing.
Avoid breathing dust and wash thoroughly after handling.

First Aid

If product is in eyes, hold eyes open and rinse slowly and gently with water for 15 to 20 minutes.
If skin contact occurs, remove contaminated clothing and wash skin with soap and plenty of water.
If poisoning occurs, contact a doctor or the Poisons Information Centre. Phone Australia 131 126.
For further information, refer to the Safety Data Sheet (SDS).

This information and product advice are not intended as advice or recommendations for any specific use or circumstance. You should seek specialist advice before using any product. Always follow the manufacturer’s guidelines. Specialist Sales’ liability is limited.

Withholding Period

Withholding Period Details (WHP)

Crop or situation	Harvest	Grazing or cutting for stock food
Winter cereals (barley, cereal rye, oats, triticale, wheat)	Do not harvest for 4 weeks after application	Do not graze or cut for stock food for 4 weeks after application
Chickpeas, field peas, lentils, peanuts, soybeans	Not required when used as directed	Do not graze or cut for stock food for 4 weeks after application
Popany vetch	Information not found in source docs	Do not graze or cut for stock food for 4 weeks after application
Maize	Not required when used as directed	Do not graze or cut for stock food for 14 days after application
Fenugreek, lathyrus, lucerne, medic, serradella	Do not harvest for seed for 3 days after application	Do not graze or cut for stock food for 3 days after application (2 weeks when tank mixed with bromoxynil 200 g/L at 700 mL/ha)
Pastures (unless otherwise specified)	Information not found in source docs	Do not graze or cut for stock food for 7 days after application (2 weeks when tank mixed with bromoxynil 200 g/L at 700 mL/ha)

The 4-week cereal WHP covers Broadstrike tank-mixed with bromoxynil (200 g/L) at 700 mL/ha.
Export slaughter interval (ESI): 7 days. After observing the grazing withholding period, place livestock that have grazed or been fed treated crops on clean feed for 7 days before slaughter.
Export animal feed interval (EAFI): 28 days (fenugreek, lathyrus, lucerne, pasture and serradella only). Allow at least 28 days between application and grazing or cutting treated pasture as stockfeed for export livestock.

SDS & Technical

Broadstrike Herbicide Label (APVMA)	Download Pdf
Broadstrike Herbicide Label	Download Pdf
Broadstrike Herbicide SDS	Download Pdf
Broadstrike Herbicide Technical Manual	Download Pdf
Broadstrike Herbicide Technote - Salvage Spray	Download Pdf