Attraxor®

Attraxor®

Attraxor® is a plant growth regulator containing the new active substance, prohexadione. Attraxor® can be used to regulate growth of all managed amenity turf (for example: golf, links golf, sports pitches and training grounds, outfields, race courses, tennis courts, airfields etc) at a rate of 375 — 1,500 g/ha.

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Product Overview
Product Type Plant Growth Regulator
Product Name Attraxor®
MAPP No. 18939
Active Substances 100 g/kg prohexadione
Formulation Water soluble granules
Areas of Use Managed amenity turf
Amateur/Professional Professional

Attraxor®

Active Ingredients: 100 g/kg prohexadione.

MAPP no. 18939

Attraxor® has been shown to effectively regulate growth of managed amenity turf. The active substance inhibits the giberrelic acid pathway which results in a reduction of turf height and turf biomass. Root growth is promoted through the use of Attraxor® whilst turf colour and quality are maintained.

Prohexadione, the active substance in Attraxor® is activated in the tank by the addition of water; therefore growth regulation occurs rapidly following application of the product.


Key Advantages

  • Attraxor is formulated for rapid foliar uptake – plant growth regulation acts as quick as 4hrs from application.
  • Superior performance against Poa annua pioneering.
  • More even growth control on all species of grass plant.
  • Extended regulation of growth against fine turf grass species.

  • Instructions for Use

    Where to use: For use on managed amenity turf.

    When to use:

    • Apply when grass is growing consistently and soil temperatures are between 7°C — 21°C.
    • Initial application can be made once there have been 450 growth degree days in the year based on the zero GDD model.
    • Subsequent applications can be made every 21 days from this point.
    Attraxor Application Window
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

    I was amazed by how fast Attraxor® claimed to get into the plant. We measured our clip rate before using Attraxor and it was 25.9 ml/m². The day after we had applied the product the clippings had reduced to 17.7 ml/m²., an almost 32% reduction.

    Jamie Blake

    Head Greenkeeper
    Broadway Golf Club

    We use an Attraxor® programme all season across our natural grass pitches, both at the training ground and stadium. From this we see a 50% reduction in mowing frequency and clipping volumes, which provides considerable time and cost savings.

    Bundesliga

    UEFA Champions League


    How to use*:

    • Add 3/4 of the required water to the spray tank.
    • Remove top hat filter and pour Attraxor® directly into the tank whilst agitating the water.
    • Stir well to ensure Attraxor® is fully dissolved then add remaining water through top hat filter.
    • Apply one hour after mowing in slow drying conditions.

    Additional information:

    • Use the lowest stated water volumes when mixing with hard water.
    • Ideal pH of spray solution is 4.5 - 5.5.
    • Attraxor should be applied alongside 2.5 kg/ha supplementary nitrogen.
    • Do not mix with fertilisers containing calcium, magnesium or manganese.
    • Replace lid immediately as Attraxor® granules will rapidly absorb water from the atmosphere.
    • Do not apply when turf is stressed or in direct sunshine.
    • Do not irrigate for at least four hours post application.

    * Application rates for Attraxor® are dependent on turf height and presence/absence of Poa annua. See tables below for more detailed application rate information.


    Attraxor® appealed to me because PGRs are a significant part of my overall maintenance strategy to improve the turf and control Poa annua. 2020 has been a particularly challenging year for Poa so I was keen to see what Attraxor could offer. Speaking to Mark and Adam gave me the confidence to try it and the results have been far better than expected.

    Stuart Lambert

    Head Groundsman
    Gloucester Rugby

    The Poa had crept in and we estimated it at 70 percent in 2019. Since starting with Attraxor® in May I have been able to suppress the Poa and through a reseeding program the greens are now 70 percent Bent, which is a great turnaround in such a short time period.

    Warren Moss

    Head Greenkeeper
    Dudsbury Golf Course


    Turf Height > 8 mm
    Golf Tees, Surrounds and Fairways, Sports Pitches, Race Courses, Tennis
    Situation Application Rate Water Volume Supplementary Nitrogen Spray Quality Application Interval
    Poa annua is present 750 g/ha 300 - 600 L/ha 2.5 kg N/ha Medium 21 Days
    Poa annua not present 750 - 1,500 g/ha 300 - 600 L/ha 2.5 kg N/ha Medium 21 Days
    Turf Height < 8 mm
    Golf Greens, Bowling Greens, Fine Ornamental Lawns.
    Situation Application Rate Water Volume Supplementary Nitrogen Spray Quality Application Interval
    Poa annua is present 375 g/ha 300 - 600 L/ha 2.5 kg N/ha Medium 21 Days
    Poa annua regulation 500 - 650 g/ha 300 - 600 L/ha 2.5 kg N/ha Medium 21 Days
    Poa annua not present 650 - 1,500 g/ha 300 - 600 L/ha 2.5 kg N/ha Medium 21 Days

    Tank Mix Companions

    Option 1

    Mix with ammonium sulphate in the tank to:

    1. Keep the spray solution within the optimal range of pH 4.5 - 5
    2. Provide supplementary nitrogen at a rate of 2.5 kg N/Ha

    Option 2

    Where nitrogen application is not the desirable mix, utilise a pH indicator followed by a turf pigment.

    Suitable products:

    1. Water conditioner
    2. Green Lawnger Pro HC pigment at 1.2 L/ha

    Active Substances - Prohexadione

    Bio-Chemical Mode of Action: Prohexadione reduces plant growth by inhibiting the synthesis of gibberellins.

    Mobility: Prohexadione has xylem mobile activity which means that it is absorbed through the leaves then moves upwards through the plant within the xylem (water conducting tissues).

    Application Timing: Plant growth regulators should be applied when the plant is actively growing. It is recommended that prohexadione applications commence after 450 growth degree days in the year. Subsequent applications can take place every 21 days.


    For further information on Attraxor®, please contact a member of our technical sales team on +44 (0)1902 440250.

    Delivery charge (if applicable) applied at checkout. Next working day delivery is available on this product, as an option on orders placed before 12 noon - excludes festive season & bank holidays. Please note deliveries to Highlands, Cornwall and more remote areas may take longer. Surcharges apply for non mainland locations, call for more information. More delivery info

    For large orders, please be aware that if you require a smaller 7.5 tonne lorry, the maximum weight for pallets is 750 kg - otherwise the standard pallet size limit of 1000 kg applies.

    If you have any access restrictions for lorries or large vehicles please speak to our sales team on +44 (0)1902 440250.


    Collection from our Telford, Shropshire, Trade Counter is available for this product. More info on collections