Koppert Larvanem (Heterorhabditis bacteriophora) - Questions & Answers

Per the manufacturer for the Koppert Larvanem (Heterorhabditis bacteriophora) the rates are as follows

For a light curative sm box (50 million) will cover 2000 sq ft
For a heavy curative sm box (50 million) will cover 1000 sq ft
 
For a light curative large box (500 million) will cover ½ acre
For a heavy curative large box (500 million) will cover ¼ acre

Koppert Terranem (Heterorhabditis bacteriophora) are not for lawn infesting grubs.  They are only for use in Greenhouses and field crops for controlling the Larvae of various species of beetle (grubs), particularly those of the garden chafer (Phyllopertha horticola). Also effective against Serica brunnea, Hoplia spp. and dung beetles from the genus Aphodius.

Instructions for the Koppert Larvanem (Heterorhabditis bacteriophora) are as follows

Preparation of spray solution

• Put the contents of the pack into a bucket containing 5 litres of water 59-68F (15-20C).
• Stir well and leave to soak for 20-30 seconds.
• Stir well once again and pour the entire solution into the spray tank.
• Top up until the required amount of solution is in the tank.
• Spray immediately after preparation.
• Use the whole pack in one go, as the distribution of nematodes in the pack is not homogenous.

Application and dose

• 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).
• Spray over the soil surface.
• Continuous mixing should take place to prevent nematodes sinking to the bottom of the spray tank.
• Water the crop before and after application.
• Keep the soil moist for the first 2 weeks after application.

For a light curative sm box (50 million) will cover 2000 sq ft.  For a heavy curative sm box (50 million) will cover 1000 sq ft.  For a light curative large box (500 million) will cover 1/2 acre.  For a heavy curative large box (500 million) will cover 1/4 acre