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Reveal Liquid

Supplier: Nufarm

Reveal Liquid is used for the defoliation of cotton prior to harvest.


Reveal Liquid

  • APVMA Code :59027
  • Active Constituent(s):
    • 500g/Lthidiazuron ()


Reveal Liquid is used for the defoliation of cotton prior to harvest.

Chemical Group

  • Substituted urea

General Instructions

Reveal is an odourless, non-corrosive defoliant/harvest aid. After treatment with Reveal, leaves fall while still green so there is minimal dry leaf trash to contaminate fibre or interfere with harvesting. Maximum defoliation occurs 7 to 21 days following application of Reveal.

Good control of regrowth is seen when Reveal is used at rates over 100 g/ha. Defoliation will be slower under average conditions, or when the crop is not physiologiacally mature.


Rainfall within 24 hours after application will reduce the effectiveness of Reveal. Retreatment may be necessary. Defoliation of crops with moderate to high levels of nitrogen remaining in the soil are more prone to leaf freezing than crops that have depleted soil nitrogen.

Tank mixes of Reveal with organophosphates may form a residue in application equipment. While still fresh and moist, this residue is easily removed by flushing the entire system with a commercial tank cleaner.

DO NOT allow the spray solution to dry in the application equipment. Immediately following application, flush and rinse equipment (mix tanks, pumps, transfer lines, application tanks, sumps, booms, nozzles and all related equipment) thoroughly with detergent and water.

Should any residue of Reveal remain in the sprayer system, it may be released during subsequent applications of other crops causing damage to crops.

Export of Treated Produce

Growers should note that suitable MRLs or import tolerances may not be established in all markets for product treated with Reveal. If you are growing product for export, please check with Nufarm Australia Limited for the latest information on MRLs and import tolerances BEFORE using Reveal.


Add the required amount of Reveal straight into the partly filled spray tank or mixing vat with agitator running, followed by Minder Cotton Spray Oil or Ampol D-C-TRON Cotton Spray Oil, then add the rest of the water. Keep mixture agitated wile spraying. Use only freshly prepared sprays.


When tank mixing with emulsifiable concentrates (EC) add the Reveal to the 3/4 filled spray tank or mixing vat and agitate thoroughly. With agitator running, then add the EC product, followed by the Minder Cotton Spray Oil or Ampol D-C-TRON Cotton Spray Oil.

Keep mixture agitated while spraying.


Reveal is compatible in tank mixes with ethephon, dimethoate and parathion.


When tank mixed with glyphosate, a higher proportion of cotton leaf may be retained (freezing). DO NOT use this mixture on stressed cotton, particularly drought affected cotton.


Apply as a uniform spray ensuring thorough coverage of the whole plant.

Aircraft: Apply by aircraft in 20 to 40 L/ha spray mixture and ensure thorough coverage. A steady crosswind is recommended for best penetration.

DO NOT exaggerate swath width.

Ground Sprays: Standard boom sprays are recommended and must be fitted with mechanical or by-pass agitation. Use sufficient water to obtain complete coverage of all leaves, ie at least 90 to 100 litres of water per hectare. Good coverage should be obtained with three or more nozzles per row depending upon crop height and canopy density.

A nozzle configuration including droppers will give maximum coverage in dryland crops with particular care being taken to ensure thorough but even coverage.

Overdosing on some plant parts, eg., nozzle spray overlap along the sides of plants may cause localised leaf freezing. If band spraying dryland crops, care should be taken when calculating the actual applied rate of Reveal per sprayed hectare.


DO NOT use human flagging unless flaggers are protected by engineering controls such as vehicles with cabs.


DO NOT allow entry into treated areas until spray has dried. When prior entry is necessary, wear cotton overalls buttoned to the neck and wrist (or equivalent clothing) and chemical resistant gloves. Clothing must be laundered after each day's use.

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