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Active Constituent(s):
360g/L glyphosate(present as isopropylamine salt) |
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| Registered For |
Commercial Use
 Domestic Use |
| Overview |
| Roundup controls virtually every economically significant weed in the world. The translocating action of Roundup (right down to the roots) makes it ideal for control of an extensive range of unwanted grasses, broadleaf weeds, brush weeds, woody weeds and unwanted trees. Roundup has no harmful effect on the environment. It binds tightly to soil and can be applied safely over root zones of trees. It is broken down into naturally occurring compounds (like carbon dioxide) by microorganisms in the soil. Roundup has very low toxicity to humans and animals. It's designed to stop certain amino acids unique to plants (essential for plant growth) from forming. Roundup presents minimal hazard to spray operators. |
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| Recommended Uses |
Roundup may be used in almost every situation such as domestic areas (home gardens), dry drains and channels, dry margins of dams, lakes and stream situations, commercial, industrial and public service areas, agricultural buildings and other farm situations. In forests; peanuts, cotton, soybeans, sugarcane, navy beans and chickpeas (QLD & NSW only - applications using selective equipment). In tree and vine crops including avocado, banana, blueberries, citrus fruit, custard apples, duboisia, figs (dessert), guava, kiwifruit, litchi, mango, monstera (fruit), nuts (including almond, pecan, macadamia, pistachio and walnut), olives, pawpaw, persimmons, pome fruit, raspberries, stone fruit, tea and vineyards. For control of sugar cane ratoon regrowth. For pasture management. For post plant, pre emergence treatments in onions (TAS only). For pre-harvest cotton (NSW and QLD only - for control of bathurst burr, nogoora burr, winter annual weeds including sowthistle, milk thistle and seasonal suppression of nutgrass).
Refer to label for all instructions and directions for use. |
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| Benefits |
 | Non-residual knockdown control of emerged weeds; | | Translocated throughout foliage and kills plant roots; | | Effective against almost all weed species; | | Rapidly breaks down to natural products in the environment; | | Very low toxicity to humans and animals; | | Apply with a wide range of equipment; | | Compatible with certain residual herbicides for extended control of annual weeds. |
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| Mode of Action |
| Roundup belongs to a group of herbicides called glycines. Roundup acts on the enzyme pathway and works by inhibiting the production of three essential amino acids that are unique to plant life. |
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| Chemical Group |
glycine |
| General Instructions |
Roundup is a non-volatile, water soluble liquid product with non-selective herbicidal activity against many annual and perennial broadleaf weeds and grasses.
Roundup may be used for weed control in agricultural land prior to sowing any edible or non-edible crop, but not prior to transplanting tomato seedlings.
Roundup is absorbed by plant foliage and green stems. It is inactivated immediately in the soil and does not provide residual weed control. Roundup moves through the plant from the point of contact to and into the root system. Visible effects on annual weeds take 3-7 days but on perennial weeds may be not be obvious for 2-3 weeks or longer in some cases. Visible effects of control may be delayed by cool or cloudy weather at and following treatment.
Visible effects are a gradual yellowing and wilting of the plant which advances to complete browning of above ground growth and deterioration of underground plant parts. Delay application until vegetation has emerged to the stages described in the Weeds Controlled tables. Unemerged parts rising from unattached underground rhizomes or rootstock of perennials will not be affected by spray and will continue to grow. For this reason best control of most perennial weeds is obtained at late growth stages approaching maturity.
Mixing
Roundup mixes readily with water. Note: Reduced results may occur if water containing soil is used, eg. water from ponds and unlined ditches, or if hard water containing calcium salts is used.
Do not mix, store or apply this product or spray solutions of this product in galvanised steel or unlined steel containers or spray tanks, since a highly flammable gas mixture may be formed.
Use stainless steel, aluminium, brass, copper, fibreglass, plastic or plastic-lined containers or spray tanks. Ensure the spray tank is free of any residue or previous spray materials.
Use spray solutions promptly and certainly within 5 days, since a gradual loss of activity will occur. Fill the spray tank with one half the required amount of clean water and add the proper amount of Roundup. Mix well before adding the remaining portion of water. Placing the filling hose below the surface of the spray solution will prevent excessive foaming. Removing hose from tank immediately after filling will prevent back siphoning into water source. Do not use mechanical agitators as these may cause excessive foaming, Spray tanks, pumps, lines and nozzles should be thoroughly rinsed with clean water following application to prevent corrosion.
Tank Mixtures/Compatibility
Roundup may be tank-mixed with the following herbicides, insecticides and additives.
Read and follow all label directions, restraints, plant-back periods, withholding periods, regional use restrictions and safety directions for the tank mix products.
Mixing Instructions for All Tank Mixtures
1. Fill the spray tank 1/3 to 1/2 full will clean water and start agitation.
2. Where crystalline ammonium sulphate is recommended, wash 2% w/v (2 kg/100 L spray solution) through a top mesh-screen into the tank and mix thoroughly.
3. Add recommended herbicide/insecticide/additive to the spray tank and mix thoroughly.
4. Add Roundup and the remaining water Mix thoroughly.
5. Add surfactant, if required, near the end of the filling process to minimise foaming.
6. Always maintain adequate agitation during application and use the tank mix promptly.
Tank Mixtures - Herbicides
Atrazine flowable (Agricultural uses only DO NOT apply the tank mix for Barnyard grass control.), 2, 4-D ester, dicamba, Glean, Simazine flowable, Oust , Yield, Stomp 330E, Tillmaster CT, Ally, Logran 750G, Flandor 500, LVE MCPA, and Striker.
The addition of Striker at 75 mL/ha to recommended rates of Roundup prior to planting wheat or barley will improve knockdown and increase the speed at which treated weeds develop visible signs of phytotoxicity.
Add crystalline ammonium sulphate as per directions below.
Tank Mixtures - Additives
Crystalline Ammonium Sulphate
RATE: 2% w/v (2 kg/100 L spray solution). (DO NOT apply the tank mix for Barnyard grass control). The addition of crystalline ammonium sulphate to Roundup, when used to control ANNUAL weeds, MAY improve the performance of Roundup under adverse environmental conditions such as cool, cloudy weather, and assist in minimising the antagonism in tank mixes of Roundup and flowable triazine herbicides. Use only crystalline ammonium sulphate, NOT prilled or granulated forms. To test quality dissolve 2 teaspoons in 2 litres of water. Swirl gently for 2 minutes. If undissolved particles remain, it is advisable to pre-dissolve prior to adding to spray tank through a screen. Ammonium sulphate may be corrosive to metal parts of the sprayer. Thoroughly flush tanks, pumps and nozzles with water after use.
Pulse Penetrant
RATE: 200 mL/100 L spray solution
Add when treating bracken (boom application), Gorse, Eucalypt suckers and Lantana.
Wetter TX Surfactant
RATE: 200 mL/100 L spray solution
Add when treating Annual ryegrass in Spring (from beginning August to end October). Wetter TX is not a general purpose surfactant and should be used only where recommended.
Tank Mixtures - Insecticides
This product is compatible with the following insecticides: Dimethoate, Folithion 1000, Imidan, Le-Mat, Lorsban 500, Metasystox, Perfekthion EC400, Sumithion ULV, and emulsifiable concentrates of dimethoate and fenitrothion. Other insecticides have not been tested.
Application
Roundup is a non-selective translocated herbicide. Direct spray contact, or even slight drift, may cause severe injury or destruction of any growing crop or other desirable plants including trees. Clean all equipment after use by thoroughly washing with water.
Boom Equipment
Use recommended rates of Roundup in 25 to 200 litres of clean water per hectare. When using Roundup at 50O mL-1.5 L/ha spray volumes in the range 25-10O L/ha are preferred. Fan nozzle equipment is recommended, using pressures in the range 240-280 kPa. Boom height must be set to ensure double over lap of nozzle patterns at the top of the weed canopy.
High Volume Application
(eg. Knapsack/Handgun Equipment)
The dilution rate is given as vol/1 litre eg: 10 mL Roundup per litre of water. This is equal to 150mL Roundup per 15 litres of water or 1 litre per 100 litres of water. Adjust equipment to achieve an even spray pattern. Apply to ensure complete and uniform wetting of all foliage. For handgun equipment, a D6 spray tip (Spraying Systems Australia P/L) or equivalent, and an operating pressure of 400-700 kPa are recommended.
Low Volume Application
(eg. Gas Gun or Splatter Gun) Apply as an even spray to cover all foliage.
Refer to Weeds Controlled for the dilution and volume of mixture to be applied. The dilution is specified as "Low volume mixture, Roundup: Water". For example, a 1:9 mixture equals one part Roundup plus 9 parts water.
Wiper Equipment
Wiper Equipment (eg. ropewick, canvas, felt or carpet applicators) may be used to apply Roundup onto weeds growing in oilseed crops, sugarcane, cotton, seed and pod vegetables, tree and vine crops specified in this label, pasture and non-crop areas. Avoid contact with desirable vegetation. Operate wiper equipment a minimum of 10 cm above the crop or pasture. Weeds should be at least 15 cm above the crop or pasture at time of application. Speed of travel should be no greater than 8 km/h, Best results are achieved at lower speeds and where two applications are made in opposite directions (double pass).
Where weeds are of variable height, or occur in dense infestations or clumps, some plants may not be contacted by the herbicide solution. In these cases repeat treatment may be necessary.
Mix only enough herbicide solution for immediate requirements. Do not store mixed solution for more than a few days. Flush out equipment with water after use.
RATE: Mix 1 litre Roundup with 2 litres clean water to prepare 33% solution.
Roundup may be used according to the above directions for suppression or control of many annual and perennial weeds.
See Weeds Controlled tables for specific use recommendations.
Controlled Droplet Application Equipment (CDA)
Use the following table as a guide for achieving the correct application rates using the Micron Herbi or similar equipment. See Weeds Controlled tables for specific rates and use recommendations. For hand held equipment a walking speed of approximately 1m/sec (4km/h) is recommended.
DO NOT add oils to Roundup /water mixture, otherwise difficulty in application and reduced weed control may occur.
CAUTION: CDA equipment produces a fine spray pattern which is not easily visible. Ensure spray pattern or drift does not contact foliage or any other green tissue of desirable plants, since severe injury or destruction may result.
Aerial Equipment
Aerial equipment may be used to apply Roundup only in pasture or fallow situations prior to establishment of field crops, fodder crops, or new pasture, and for pre-harvest application to cotton and sorghum crops. DO NOT use in intensive horticultural cropping areas. Use recommended rates of Roundup specified in this label up to a maximum limit of 4 L/ha. For Micronair and boom equipment, apply in a minimum spray volume of at least 20 Lha. Droplets with an average size (or VMD) of 250-350 micron dia. are recommended. Swath width should be 15-17 m. Thoroughly wash aircraft, especially landing gear, after each day of spraying to remove he
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Avoid Drift
DO NOT use with spraying equipment or under meteorological conditions which could be expected to cause spray drift onto nearby susceptible plants, adjacent crops, crop lands or pastures. Equipment settings which produce fine droplets (150 microns or less), winds over 8 km/h, inversion conditions, still air and hot dry days all contribute to drift.
Application Checklist
The addition of non-ionic surfactant is recommended at a rate of 100 mL of a 600 g/L product (or equivalent) per 100 L spray solution.
Do not treat weeds under poor growing or dormant conditions (such as occur in drought, waterlogging, disease, insect damage or following frosts) as reduced weed control may result. Reduced efficacy may also occur when treating weeds heavily covered with dust or silt.
Do not add additional surfactant, or mix with any other agricultural chemicals, herbicide oils, or other materials except as specifically directed on this label.
Rainfall occurring up to 6 hours after application may reduce effectiveness. Heavy rainfall within 2 hours after application may wash the chemical off the foliage and a repeat treatment may be required. Delay treatment of plants wet with dew or rain, if water droplets run-off when plants are disturbed. Do not disturb treated weeds by cultivation, sowing or grazing for one day after treatment of annual weeds and 7 days for perennial weeds, to ensure herbicide absorption.
A Withholding Period for grazing stock is not required. However, it is recommended that grazing of treated plants be delayed (as recommended above) to ensure herbicide absorption. Certain plants such as Soursob, St. John's Wort and Bracken, may be naturally toxic to stock. Where known toxic plants are present, grazing should be delayed until complete browning of treated plants has occurred.
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| Resistance Warning |
Roundup is a member of the Glycines group of herbicides. Roundup has the inhibition of EPSP synthase mode of action. For weed resistance management Roundup is a Group M herbicide.
Some naturally occurring weed biotypes resistant to Roundup and other inhibitors of EPSP synthase mode of action herbicides may exist through normal genetic variability in any weed population. The resistant individuals can eventually dominate the weed population if these herbicides are used repeatedly. These resistant weeds will not be controlled by Roundup or other inhibitors of EPSP synthase herbicides.
Since the occurrence of resistant weeds is difficult to detect prior to use, Monsanto accepts no liability for any losses that may result from the failure of Roundup to control resistant weeds. |
| Protection of wildlife, fish, crustaceans and environment |
Do NOT contaminate dams, rivers or streams with the product or used container. When controlling weeds in aquatic situations , refer to label directions to minimise the entry of spray into the water. |
| Protection of crop, native and other non-target plants |
Avoid contact with foliage, green stems, exposed non-woody roots or fruit of crops, desirable plants and trees, since severe injury or destruction may result.
DO NOT apply under weather conditions, or from spraying equipment, that may cause spray to drift onto nearby susceptible plants/crops, cropping lands or pastures. |
| Safety Directions |
Product will irritate the eyes and skin. Avoid contact with eyes and skin.
When preparing product for use wear elbow-length PVC gloves and face shield or goggles.
After use and before eating, drinking or smoking, wash hands, arms and face thoroughly with soap and water.
After each day's use wash contaminated clothing, gloves and face shield or goggles.
When using controlled droplet applicator, wear protective waterproof clothing and impervious footwear. |
| Storage |
Store in the closed, original container in a dry, cool, well-ventilated area out of direct sunlight. Do not contaminate seed, feed or foodstuff. Do not re-use container for any purpose. |
| Disposal |
Triple or preferably pressure rinse containers before disposal. Add rinsings to spray tank. Do not dispose of undiluted chemicals on site. If recycling, replace cap and return clean containers to recycler or designated collection point.
If not recycling, break, crush or puncture and bury empty containers in a local authority landfill. If no landfill is available bury the containers below 500mm 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. |
Product details last updated on 19 Jun 2009
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DISCLAIMER: This is not the ROUNDUP HERBICIDE label. To view or print the label for this product, click the "MSDS/Label" tab at the top of this page. Always follow label instructions.
For specialist advice in an EMERGENCY only phone 1800 033 498, TOLL-FREE, ALL-HOURS, NATIONWIDE
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