Nemasys Beneficial Nematodes (250 million nematodes)

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Product Overview

Nemasys Beneficial Nematodes provides advanced biocontrol of ground-dwelling stages of fungus gnats and foliar stages of western flower thrips. It features a naturally occurring parasitic nematode, Steinernema feltiae, which effectively kills target pests without harming other organisms. It provides long-term control because nematodes reproduce continuously. These beneficial nematodes work by seeking out the larval stage of fungus gnats, as well as the adult and pupal stages of western flower thrips to prevent them from damaging the plants. 

Features and Specs

Active Ingredient Steinernema feltiae - 50 million
Target pests Western Flower Thrips and Fungus Gnats.
For use in Greenhouse, Soil or growing media, and foliage.
Application Nemasys can be applied by using common application equipment, including tank sprayers, backpack sprayers, and irrigation injection systems.
Pet safe Yes, if used as directed on the label.
Formulation Gel.
NOT FOR SALE TO HI
Special Features Provide biological control of soil-dwelling stages of fungus gnats, as well as soil and foliar stages of western flower thrips.
Shipping Weight 0.50 lbs
Manufacturer BASF (Mfg. Number: 59014493)
EPA Registration EXEMPT

Details

DIRECTIONS FOR USE:

Nemasys can be applied by using common application equipment, including tank sprayers, backpack sprayers, and irrigation injection systems.

  • Fill spray vessel or stock tank with half of the required amount of cool, clean water.
  • Start agitation and add the required number of Nemasys trays.
  • Continue agitation while mixing and fill spray tank to the required spray volume.
  • Maintain agitation during application to ensure uniform dispersion of nematodes.

Nemasys can be used in a rotational program with conventional chemicals to reduce pest resistance.

Recommended Rates:

Fungus Gnat Applications:

Soil or growing media:

  • 2-3 weeks - 50 mil./1100 sq. ft.
  • 4-6 weeks - 50 mil./550 sq. ft.

Vol: 30-50 gal./1000 sq. ft.

Fungus gnat larvae can be controlled with Nemasys by making frequent, light applications or less frequent applications at higher rates. Application rate and interval selected should be based on grower preference, management program, and crop growth characteristics. Regardless of program selected, applications of Nemasys should begin early in the growth cycle for best results.

  • Applications of Nemasys should be made to moist soil or growing media.
  • Soil or growing media temperatures should be between 50 deg F- 86 deg F (10 deg C - 30 deg C).
  • If product is applied over foliage, irrigate immediately with plain water to wash nematodes into soil or growing media. Do not over irrigate to cause runoff from the tops of pots or flush nematodes through the pot.
  • In propagation areas, treat new plants as they are introduced.
  • Interiorscape plants should be treated prior to placement.

Western Flower Thrips Applications:

Soil or growing media: (Initial Application)

  • Rate: 50 mil./1100 sq. ft.

Vol: 30-50 gal./1000 sq. ft.

Foliage: (Once or twice weekly)

  • Light - 50 mil./4400 sq. ft.
  • Heavy - 50 mil./2200 sq. ft.

Rate: 2.5 gal./1000 sq. ft.

Control of western flower thrips (WFT) is best accomplished with a program approach.

The initial drench application of Nemasys should be applied to the soil or growing media for control of soil-dwelling WFT, whereas subsequent applications of Nemasys should be made as foliar sprays to target foliar-dwelling WFT.

For best results with foliar sprays to target WFT:

  • Apply Nemasys in the evening when pest activity is low.
  • Use of an approved spray adjuvant will promote improved application uniformity and allow nematodes to reach the pest more effectively.
  • Ensure that the crop remains wet for at least 2 hours following application by closing windows and ventilation.
  • Do not apply in direct sunlight. Use blackout curtains during and for at least 2 hours after application. If using artificial lighting, switch off during and for at least 2 hours after application.

Precautions:

This product contains living organisms that require special handling and application procedures.

  • DO NOT SUBDIVIDE. Once opened, use the entire tray immediately.
  • Use cool water for mixing and keep tank out of direct sunlight.
  • DO NOT STORE MIXED SUSPENSIONS. Use nematode suspensions immediately after they have been mixed.
  • Remove filters that are 50 mesh or finer from application equipment and nozzles.
  • Do not exceed 300 psi pump pressure.
  • Do not use in application systems where nozzle aperture is smaller than 0.5 mm.
  • Agitate nematodes constantly during application.
  • DO NOT SPOT TREAT. Treat the entire greenhouse crop at the appropriate rate.

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