Name: Surefire Gamma Herbicide
Brand: PCT
SKU: GAMMA-GLUFOSINATE-AMMONIUM
Availability: InStock

Surefire Gamma Herbicide is for the non-residual control of broadleaf and grass weeds in various situations. It is a non-volatile herbicide, containing 200g/l glufosinate-ammonium and is registered for use in the control of many annual & perennial broadleaf weeds & grasses in orchards, vineyards & olive plantations.

Surefire Gamma Herbicide is absorbed by plant foliage and green stems.

Active Ingredient: Glufosinate-Ammonium @ 200g/L

Similar or comparable to Capo 200 Herbicide (Axichem) & Sabakem Glufosinate 400 Herbicide (Sabakem)

Click For Technical Info & Tips For Use

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Description

Surefire Gamma Herbicide

Active Ingredient: Glufosinate-Ammonium @ 200g/L

Similar or comparable to Capo 200 Herbicide (Axichem) & Sabakem Glufosinate 400 Herbicide (Sabakem)

Why choose Surefire Gamma Herbicide;

Provides broad-spectrum weed control with a high level of crop safety.
Very effective on over 80 species of broadleaf and grass weeds and has a high level of crop safety.
Is considered an alternative herbicide to Glyphosate, however, does require 100% coverage to be effective.
Is a non-volatile herbicide with non-selective activity against many annual and perennial broadleaf weeds and grasses.

Surefire Gamma Herbicide is absorbed by plant foliage and green stems. It is not significantly translocated as an active herbicide throughout the plant, and therefore will only kill that part of a green plant that is contacted by the spray. Glufosinate-Ammonium 200 does not provide residual weed control. Visible symptoms of control appear in 3 to 7 days, but complete desiccation may take 20 to 30 days under cool conditions. The best results are achieved when the application is made under good growing conditions. Application to weeds under stress (e.g. due to continuous severe frosts, dry or waterlogged conditions) should be avoided.

If you need to control weeds in grapevines or other valuable horticulture crops, Gamma Glufosinate-Ammonium 200 is the right choice to clean up around the crop while giving it maximum protection.

What weeds does Surefire Gamma Herbicide target;

Annual Weeds:

Amaranthus spp.	Caltrop burr	Medics (annual)	Saffron thistle	Three-Cornered Jack
Apple of Peru	Capeweed	Milk thistle	Sago weed Plantago	Tomato
Argentine peppercress	Clover	Mint weed	Scarlet pimpernel	Turnip weed
Awnless barnyard grass	Cobbler’s peg	New Zealand spinach	Setaria	Variegated thistle
Barley grass	Common storksbill	Patterson’s Curse	Sheep thistle	Wheat
Barnyard grass	Crowsfoot grass	Peanuts	Silver grass	Wild carrot
Billy goat weed	Deadnettle	Pigweed	Sorghum/sudax	Wild gooseberry
Bitter cress	Dwarf crumbweed	Pinkburr	Square weed	Wild mustard
Black bindweed (buckwheat)	Fat hen	Potato weed	St. Barnaby’s thistle	Wild oats
Bladder ketmia	Fumitory	Prairie grass	Stagger weed	Wild radish
Bordered panic	Green crumbweed	Prickly lettuce	Star of Bethlehem	Wire weed
Brome grass	Lesser canary grass	Red natal grass	Summer grass
Calopo	Liverseed grass	Ryegrass (annual)	Thickhead

Perennial Weeds:

Blady grass	Cowpea	Paspalum spp.	Siratrp
Cape tulip	Giant sensitive plant	Perennial bindweed	Stink grass
Centro	Greenleaf desmodium	Shamrock	White clover
Clover glycine	Johnson grass	Sida weed	White-eye
Couch grass	Panicum spp.	Silver leaf desmodium	Willow herb

More than most products, Gamma Glufosinate-Ammonium 200 really rewards careful application with exceptional performance. When it is applied with the right equipment at the right timing. Surefire Gamma Herbicide may be used around trees/vines less than two years old provided they are effectively shielded from spray and spray drift.

Surefire Gamma Herbicide is compatible with most residual herbicides. The addition of a wetting agent or other adjuvant is generally not considered necessary, with the exception of the required addition of an adjuvant to assist in the control of Pinus spp. However, benefits have been obtained using a wetting agent or adjuvant on hard-to-wet weeds when using water rates in excess of 500 L/ha. The rate is 25 mL/100 L of a 1000 g/L non-ionic wetting agent, or equivalent.

Surefire Gamma Herbicide mixes easily with water.

Pack Sizes: 1L, 5L & 20L

Registrant: PCT Holdings Pty. Ltd. (APVMA #: 66733)

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Features & Benefits

Contains the active ingredient Glufosinate-Ammonium.
Considered an alternative herbicide to glyphosate.
Broad-spectrum weed control with a high level of crop safety.
Non-volatile herbicide.
Safe to use in grapevines, orchards, vineyards, olive plantations or other valuable horticulture crops.
May be used around trees/vines less than two years old provided they are effectively shielded from spray and spray drift.

Directions Of Use

Directions for Use:

Gamma Glufosinate-Ammonium 200 can be applied via the following application methods;

Ground Sprayers
Boom or Directed Sprayer Equipment
Knapsack and Handgun Equipment
Controlled Droplet Application (CDA) Equipment

General Rates:

Boom or directed sprayer (L/ha): 1L – 6L pe Ha
Handgun (mL/100L): 150mL – 600mL per 100L Water
Knapsack (mL/15L): 23mL – 90mL per 15L

Rates Are a General Guide Only. Before Opening, Carefully Read Gamma Glufosinate-Ammonium 200 Herbicide 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, dangerous and render the product ineffective.

Questions and answers from customers

I have billy goat weed growing amongst signal grass and Rhodes grass. Will Gamma Glufosinate 200 Herbicide selectively kill the billy goat weed in this situation?

Q I have billy goat weed growing amongst signal grass and Rhodes grass. Will Gamma Glufosinate 200 ...... Read more
Asked by Russell on February 7, 2024 8:59 am

Answered by the admin
As Surefire Gamma Herbicide is designed to target many broadleaf and grasses species, it is likely to also severely damage or kill the Signal grass and Rhodes grass. As no data is available on the safety of Surefire Gamma Herbicide in Signal and Rhodes grass pastures, an off-label trial would need to be undertaken to test the results.

I have a 100% Kikuyu lawn, is Surefire Gamma Herbicide safe to use in this situation?

Q I have a 100% Kikuyu lawn, is Surefire Gamma Herbicide safe to use in this situation?
Asked by Matthew on September 15, 2022 12:33 pm

Answered by the admin
We would recommend that you do not use Surefire Gamma Herbicide on your Kikuyu lawn. Even though Kikuyu is not listed on Surefire Gamma Herbicides label as a plant controlled, the product does target many other grass species very similar to Kikuyu. Gamma is not registered for selective use in any grass or turf situation, and it is doubtful that Kikuyu would be unaffected. If you require more clarity with this query, please contact the manufacturer (PCT) on 07 3711 7022.

Will Surefire Gamma Herbicide kill kikuyu?

Q Will Surefire Gamma Herbicide kill kikuyu?
Asked by James on August 26, 2022 3:23 pm

Answered by the admin
Surefire Gamma Herbicide is not registered, and makes no claims to control kikuyu.

I have silver leaf desmodium, and was told that this product would get rid of it. I was told by Timbara to dilute 25ml to a 5 litre spray bottle; can you please advise if this is the correct ratio. I sprayed my yard with the recommended ratio, and while I was very careful to target the leaves of the plant only, I didn't realise it killed Couch. I had been told by a PCT technician that this was the correct product, and that it was absorbed by the foilage and poisoned the tap root. If I was selective enough to keep it to the plant only, should I be worried about the poison affecting the roots of the grass lawn?

Q I have silver leaf desmodium, and was told that this product would get rid of it. I was told by T...... Read more
Asked by Fiona Porritt on December 12, 2021 5:40 pm

Answered by the admin
The mixing rate for Surefire Gamma when spraying Silverleaf Desmodium is 5-mL per 1-Litre water (25mL per 5-L). Surefire Gamma is absorbed by plant foliage and green stems. It is not significantly translocated as an active herbicide through the plant, and therefore will only kill that part of a green plant that is contacted by the spray. Couch Grass is susceptible to Surefire Gamma. However, you would have to thoroughly spray the green leaves as it does not translocate through the plant like other herbicides (i.e. Glyphosate).

Will this product kill couch lawns?

Q Will this product kill couch lawns?
Asked by Nathan Hussell on October 8, 2021 3:50 pm

Answered by the admin
The Gamma Glufosinate 200 Herbicide is registered to kill Couch Grass. If you are looking to kill a Couch lawn then it will do the job, if you are after a selective herbicide to remove weeds from a Couch lawn then this is NOT your product.

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
Avocado, Banana, Cane, Berry Fruit, Citrus Fruit Orchard, Feijoa, Guava, Kiwi Fruit, Lychee, Mango, Non Agricultural Area (general), Olive Plantation, Passionfruit, Pawpaw, Pineapple, Pome Fruit Orchard, Rambutan Plantation, Sports Ground, Stone Fruit Orchard, Strawberry, Tomato, Tree Nut Plantation & Vineyard	Amaranth Or Amaranthus, Annual Ryegrass, Apple-of-peru, Argentine Peppercress, Awnless Barnyard Grass, Barley Grass, Barnyard Or Water Grass, Billygoat Weed Or Blue Top, Bittercress Or Swinecress, Black Bindweed, Bladder Ketmia, Blady Grass, Bordered Panic, Brome Grass, Calopo, Caltrop Or Yellow Vine, Cape Tulip, Capeweed, Clover Glycine, Cobbler's Pegs, Common Pigweed, Common Storksbill, Couch Grass, Cowpea, Crowsfoot Grass, Deadnettle, Dwarf Crumbweed, Fat Hen, Foxtail Millet, Fumitory, Giant Sensitive Plant, Green Crumbweed, Greenleaf Desmodium, Hedge Or Wild Mustard, Johnson Grass, Lesser Canary Grass, Liverseed Or Urochloa Grass, Medic, Mintweed, New Zealand Spinach, Paspalum Spp., Paterson's Curse, Perennial Bindweed Or Convolvulus, Pinkburr, Potato Or Yellow Weed, Prairie Grass, Prickly Lettuce, Red Natal Grass, Saffron Thistle, Sago Weed, Scarlet Or Red Pimpernel, Shamrock, Sida, Silver Grass Or Rat's-tail Fescue, Silverleaf Desmodium, Slender, Shore Or Sheep Thistle, Sorghum, Sow Or Milk Thistle, Square Weed Or Borreria, St Barnaby's Thistle, Stagger Weed, Star Of Bethlehem Or Cupid's Flower, Stink Grass, Subterranean Clover, Summer Grass, Thickhead, Three Cornered Jack Or Doublegee, Turnip Weed, Variegated Thistle, Volunteer Peanut, Volunteer Tomato, Wheat, White Clover, White Eye Or Mexican Clover, Wild Carrot, Wild Gooseberry, Wild Oat, Wild Radish Or Radish Weed, Willowherb, Wireweed, Knotweed Or Hogweed
Blackberry, Boysenberry, Loganberry & Raspberry	Primocane Control, Sucker Control

Tips For Use

The recommended rate of use is determined by the following criteria:

Weed species: Apply the appropriate rate to control the least susceptible weed present as per the lists of weeds controlled in the weeds tables (see directions for use label).
Weed stage of growth: Use the lower rate when weeds are young and succulent (grasses: pre-tillering; broadleaves: cotyledons to 4-leaf) or the population is very sparse. A median rate should be used for medium sized plants (grasses: tillering; broadleaves: 4-leaf to advanced vegetative) and the high rate should be used when weeds are mature (grasses: noding to flowering; broadleaves: budding to flowering).
Weed Density: Use the higher rates when the weed population is dense. Thorough coverage of weeds is essential for good control.
Climatic Conditions: Best results are achieved when applied under warm humid conditions. Control will be reduced and/or slower under cold conditions and/or overcast conditions. Good results will be achieved under most other conditions, however poor results may occur under hot, dry conditions (temperature above 33°C with a relative humidity below 50%). Weeds that have been hardened or stunted in growth due to stressed conditions should be treated at the maximum rate.
Coverage: Complete coverage of weeds is essential for good control. Poor coverage may result in re-growth.
Perennial weeds: Apply when weeds are actively growing. Follow-up treatments will be necessary to control re-growth of perennial weeds in most cases.

Note: Gamma is suitable for application by ground sprayers, boom sprayers, directed spray Equipment, knapsack/ handgun and controlled droplet application equipment. It is not suitable for aerial application.

Restraints:

Do not apply by aircraft.
Do not apply when rain is expected within 6 hours.
Do not apply to weeds under stress due to, for example, very dry, very wet, frosty or diseased conditions.
Do not apply under hot dry conditions (temperatures above 33°c with a relative humidity below 50 %).

Mixing:

Gamma Glufosinate-Ammonium 200 Herbicide mixes easily with water.
Clean water should always be used for mixing with Gamma Glufosinate-Ammonium 200 Herbicide.
Ensure that the spray tank is free of any residues of previous spray materials.
Two-thirds fill the spray tank with clean water, and with agitator operating add the required amount of Gamma Glufosinate-Ammonium 200 Herbicide.
Add other relevant compatible products.
Top the tank up to the required volume with clean water with agitator running.

Application Equipment:

Ground Sprayers
Boom or Directed Sprayer Equipment
Knapsack and Handgun Equipment
Controlled Droplet Application (CDA) Equipment

Storage:

Store in the closed original container, in a cool, well-ventilated area away from children, animals, food and feedstuffs.
Do not store for prolonged periods in direct sunlight.

Safety Directions:

Harmful if absorbed by skin contact or swallowed.
Will irritate the eyes and skin. Avoid contact with the eyes and skin. If the product is on the skin, immediately wash the area with soap and water.
If the product is in the eyes, wash it out immediately with water. When opening the container, preparing spray and using the prepared spray, wear cotton overalls buttoned to the neck and wrist (or equivalent clothing) and a washable hat, elbow-length PVC or nitrile gloves and a face shield or goggles. Wash hands after use.
After each day s use, wash gloves, face shield or goggles, and contaminated clothing.

First Aid:

If poisoning occurs, contact a doctor or Poisons Information Centre. Phone Australia 13 11 26.
Additional information is listed in the Safety Data Sheet (SDS).

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.

Withholding Period

Withholding Period Details (WHP):

Harvest (H) Avocado, Banana, Feijoa, Guava, Kiwifruit, Litchi, Mango, Pawpaw, Passionfruit, Pineapple, Rambutan, Blackberry, Boysenberry, Loganberry, Raspberry, Citrus Fruit, Grapes, Strawberries, Tomatoes, Tree Nuts: Not required when used as directed.
Olives, Pome And Stone Fruit: Do not harvest for 21 days after application.
Grazing (G): Do not graze or cut treated areas for stock food for 8 weeks after application.

SDS & Technical

Surefire Gamma Glufosinate-Ammonium 200 Herbicide Label (APVMA)	Download Pdf
Surefire Gamma Glufosinate-Ammonium 200 Herbicide Label	Download Pdf
Surefire Gamma Glufosinate-Ammonium 200 Herbicide SDS	Download Pdf
Surefire Gamma Glufosinate-Ammonium 200 Herbicide Brochure	Download Pdf
Surefire Gamma Glufosinate-Ammonium 200 Herbicide Container Label	Download Pdf