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

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