Capsanem Leatherjacket Killer (1000 m²)

SKU: 188848

Sale price£121.60 ex. VAT
£145.92 inc. VAT


When ordering you will receive 2 x 500 m2 packs

Capsanem Leatherjacket Killer is a leatherjacket treatment containing Steinernema carpocapsae; a species of native entomopathogenic nematode (microscopic worms) which controls infestations of crane fly larvae safely and effectively.

There are two application windows in the pests life cycle suitable for applying a leatherjacket treatment. The first window is during the late summer/autumn, from early August to the end of October, with the second window the following spring during March and April.

For best results apply Capsanem leatherjacket treatment to moist turf areas from early August to late October as this targets the pest early in its life cycle when it is more susceptible to control.

Leatherjacket Life Cycle

Leatherjacket Life Cycle Diagram
Applications must occur when the larvae are at a young and susceptible life stage and the soil temperature is between 14ºC and 33°C, which is the optimum point the nematodes are at their most active in the soil. Early in the year the larvae will have grown to a stage where effective control is significantly reduced. Therefore, it is important to note that control is less effective in the spring compared to late summer/early autumn window. Leatherjacket - Nematodes Life Cycle

Click to Enlarge

A pro-active preventative approach to controlling leatherjackets in turf is required. By treating with Capsanem Leatherjacket Killer within the August to the end of October application window, direct damage from the grubs and indirect damage from predators hunting for them in the following spring and summer is avoided. After application, the nematodes actively search for their prey and penetrate them. The nematodes then feed on the contents of the prey, excreting specific bacteria from their digestive tracts as they do so. These bacteria convert the host tissue into products that the nematodes can easily ingest. The larvae die within a few days.

How to Apply Capsanem Leatherjacket Killer

Application Rates
  • OPTIMAL CONTROL Window 1 - August, September, October: 1 pack per 500 square metres.
  • REDUCED CONTROL Window 2 - March and April: 1 pack per 250 square metres.
  • Capsanem Leatherjacket Killer must be used within 3-4 weeks of being received, keep refrigerated until used.
    Each pack of Capsanem Leatherjacket Killer contains 250,000,000 nematodes and treats up to 500m2.

    Preparing to Apply Nematodes
    1. Order 1. Order Order
    Order nematodes to arrive 1-2 weeks prior to forecast application period* to facilitate application in optimum circumstances.
    *Aim to apply nematodes 4-5 weeks after peak adult flight time.
    2. Store 2. Store Store
    Store in a refrigerator at a temperature between 2-6°C.
    3. Monitor 3. Monitor Monitor
    • Aim to apply nematodes 4-5 weeks after peak adult flight time.
    • For summer/autumn applications ensure that the soil temperature is > 13°C.
    • For spring applications ensure that the soil temperature is > 8°C.
    • Aim to apply in the morning, in the evening or on a cloudy day.
    • Aim to apply when rain is forecast.
    4. Irrigate 4. Irrigate Irrigate
    • Apply 5-10 mm water the evening before treatment.
    • Apply a further 5 mm of water 1-2 hours before treatment.
    5. Aerate 5. Aerate Aerate
    Use a sarel roller to aerate the soil, facilitating faster movement of the nematodes through the soil profile.*
    * It is important that the nematodes come into contact with the soil as quickly as possible; excessive thatch will inhibit this process.
    Applying Nematodes
    6. Equipment 6. Equipment Equipment
    • Remove all filters from the application equipment. Checking:
      • Lance handle,
      • Top hat filters at the nozzle,
      • Filter bowls within pipes after the pump.
    • Use a suitable nozzle i.e. flat fan nozzle with coarse droplet size.
    • Ensure sprayer is completely clean then fill with half the required amount of clean water.
    7. Nematodes 7. Nematodes Nematodes
    • Place the contents of the pack into a clean bucket containing 5 litres of water.
    • Stir well and allow to soak for 20-30 seconds.
    • Stir again and pour the entire solution into the spray tank through its sieve.
    • Top up until the required amount of solution is in the tank.
    8. Application
    • Spray nematode solution immediately onto the prepared surface using a maximum of 12 bar pressure.
    • Apply with a penetrant wetting agent to improve passage into the soil.
    9. Post Application 9. Post Application Post Application
    • Irrigate immediately after application using 2-5 mm water to help wash the nematodes into the soil.
    • Ensure the area is kept moist for at least 2 weeks post application.

    We do not sell this product during the period when the larvae are not susceptible to control using nematodes. Nematodes are live organisms and need to be kept refrigerated until they are used. We take great care to ensure that they are handled in a manner which ensures they arrive in the appropriate condition:
    • If Capsanem is ordered by 15.00 hours on a Friday, they are guaranteed delivered to you the following week.
    • If Capsanem is ordered by 17.00 hours on a Thursday, they are guaranteed delivery to you on Tuesday of the subsequent week.

    For further information on Capsanem Leatherjack Killer, please contact a member of our technical sales team on 01952 897917.

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