Terranem

Terranem Entomopathogenic nematodesHeterorhabditis bacteriophora

Use Terranem for:

Larvae of various species of beetle

Packaging:

Each box contains larvae (third stage) in gel

2 bags in a box and each bag contains 250 million larvae

General information

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When to use Terranem?

Use Terranem for biological control of larvae of various species of beetle (grubs), particularly those of the garden chafer (Phyllopertha horticola). Terranem is also effective against Serica brunnea, Hoplia spp. and dung beetles from the genus Aphodius.

How does Terranem work?

After application, the nematodes actively search for their prey and penetrate them. The nematodes feed on the contents of the prey, excreting specific bacteria from their digestive tracts as they do so. These bacteria convert host tissue into products that the nematodes can easily ingest. The larvae die within a few days.

How to use Terranem

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Application Terranem

Preparation
  1. Half an hour before preparing the product, remove the pack from the refrigerator and let it come up to room temperature (20°C)
  2. Break the contents of the sachet (250 million Heterorhabditis bacteriophora) into smaller pieces
  3. Use the entire pack and place the smaller pieces in a bucket containing five litres of water (at 15 to 20°C)
  4. Leave the bucket with the solution to stand for five minutes
  5. Then stir the solution until all the lumps have disappeared before transferring it to the spray tank
  6. Use the spray solution straight away
Application
  • With a watering- can, sprinkler system, backpack spray unit or vehicle-mounted spray unit
  • To avoid blockage, all filters should be removed
  • Use a maximum pressure of 12 bar on spraying boom or pistol
  • The spray nozzle opening should be at least 0.5 mm (500 microns)
  • Continuous mixing should take place to prevent nematodes sinking to the bottom of the spray tank
  • Aerate the turf before applying Terranem by means of vertidraining, pricking or slitting
  • On the evening before applying Terranem, pre-wet/irrigate the soil surface (5-10 mm)
  • Spray a wetting agent on the evening before applying Terranem
  • Keep the soil surface moist after the first water treatment has taken place
  • If possible, apply 5 mm water to the turf 1 to 2 hours before applying Terranem
  • Water the turf after application (at least 2-5 litres per m²) in order to wash the nematodes into the soil
  • Keep soil moist for the first two weeks after application

Best working conditions Terranem

  • The moisture content of the soil must be high
  • Soil temperature between 14 and 33°C
  • Nematodes are susceptible to ultraviolet light (UV): do not use them in direct sunlight
  • Leaf applications should only be carried out in the evening to minimise the influence of UV light and to maximize moisture availability for the nematodes

Handling

Biological beneficials have a very short life expectancy and therefore need to be introduced into the crop as soon as possible after receipt. Failure to do so can have a negative impact on their quality. In case you do need to store Terranem, please follow the instructions below. Koppert Biological Systems is not liable for any loss of quality if the product is stored for longer than recommended and/or under incorrect conditions.

Storage instructions:

  • Shelf life: see package for expiry date
  • Storage temperature: 2-6 °C
  • Store in a dark place

Dosage

The information given below is merely indicative. Tailored advice can be provided if information is available on the local factors that need to be taken into account, such as the crop, the climate conditions and the level of infestation. For the correct approach, please consult a Koppert specialist or a recognized distributor of Koppert products.

Terranempreventivelight curativeheavy curative
Dosage n/a 500,000/m² 500,000/m²
m²/unit n/a 1000 1000
interval (days) n/a n/a 21-28
Frequency n/a 1x 2x
Remarks n/a early application (L2 larvae) late application (L3 larvae)

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