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APVMA Code :58425

Active Constituent(s):

38g/L mepiquat

(present as the chloride salt)

Registered For:

 Commercial use

 Domestic use

Overview: For the management of fruiting and vegetative growth in cotton.

 SDS (295.6 KB)

 Label (2.3 MB)

General Instructions


Cheminova Mepiquat is a foliar applied plant growth regulator, which alters the cotton plants growth pattern and behaviour. One or more of the following effects may be produced in cotton: darker leaf colour, reduction of internodal length, more open canopy, better boll retention, earlier maturity. Some of these effects may favourably infl uence the yield potential of the cotton plant.


Export Of Treated Produce

Growers should note that suitable MRL's or import tolerances may not be established in all markets for produce treated with Cheminova Mepiquat. If you are growing produce for export, please check with Cheminova Australia Pty Ltd for the latest information on MRL's and import tolerances BEFORE using this product.




Cheminova Mepiquat may be applied using a split application technique (3 separate low rate sprays applied at strategic times during the growing period). It can also be applied as a single application at the 1st flower stage.

Information on rates and timing is given in the "Directions For Use Table". Use a total spray volume to ensure adequate cover of foliage. Add an agricultural wetting agent to improve foliar coverage.


Application Method

Cheminova Mepiquat may be applied by air or ground equipment. Best results can be obtained with total spray volumes of at least 20 - 30 L/Ha for aerial applications and 80 -100 L/Ha for application by ground rigs.




Cheminova Mepiquat mixes readily with water. Add the required amount of product to the partly filled spray tank, agitate and fill to the desired level. Keep the spray mix agitated during spraying.



DO NOT tank mix with foliar fertilisers. DO NOT mix this product with phosphonic acid derivatives or 2-penten-ol. DO NOT mix with foliar fertilizers, as the benefits from such mixes have not been established. This product is compatible with insecticides normally applied to cotton, always check compatibility is a small container prior to use.



Cotton treated with this product that has set bolls packed tightly together against the stem may be susceptible to lodging should adverse conditions occur.




DO NOT apply to crops that have restricted growth from stress (drought, water logging, nutrient deficiency, poor soil structure or any other cause as this can result in a yield decrease.


DO NOT apply if adequate insect and mite pest control and supply of water and nutrients later in the crop are in doubt, or if 'stressing' is a normal management practice. If severe drought conditions occur after application, the results can be unsatisfactory and/or yield decreases can occur.


DO NOT apply the product if rainfall is expected within 8 hours as the effectiveness may be reduced.


DO NOT apply to new commercial varieties of cotton before checking with the manufacturer.


DO NOT use this product to promote growth of plants.


Protection of wildlife, fish, crustaceans and environment

Do not contaminate dams, rivers, drains or streams with this product or used containers.


Protection of crop, native and other non-target plants

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


Avoid contact with eyes and skin. Wash hands after use.



Store in the closed, original container in a cool, well-ventilated area. DO NOT store for prolonged periods in direct sunlight.



Triple or preferably pressure rinse the containers before disposal. Add rinsings to spray tank. DO NOT dispose of unwanted chemicals on-site. If recycling, replace cap and return the clean containers to the recycler or designated collection point. If not recycling, break, crush, or puncture and bury the empty containers in a local authority landfill.


If no landfill is available, bury the containers below 500 mm in a disposal pit specifically marked and setup for this purpose clear of waterways, desirable vegetation and tree roots. Empty containers and product should NOT be burnt.

For refillable containers, empty the contents fully into application equipment.


Close all valves and return to point of supply for refill or storage.




Re-entry Period

Do not allow entry onto treated areas until the spray droplets have dried. When prior entry is necessary, wear cotton overalls buttoned to the neck and wrist and elbow length PVC gloves. Clothing must be laundered after each days use.


Product details last updated on 05 August 2014


DISCLAIMER: This is not the MEPIQUAT PLANT GROWTH REGULATOR 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 033 111, TOLL-FREE, ALL-HOURS, NATIONWIDE

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