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RootShield - WP Wettable Powder

RootShield - WP Wettable Powder, Trichoderma harzianum strain T22

OMRI LISTED. Use This Biological Fungicide in Wettable Powder Form for Control of Root Diseases

Description Qty Price  
RootShield® WP Biological Fungicide - 1 lb box
$120.50
RootShield® WP Biological Fungicide - 3 lb box
$243.00

Description MSDS & Label Shipping Info Technical

Rootshield WP OMRI CertificateBefore you plant use RootShield WP (Wettable Powder) to protect plant roots from many pathogens.  RootShield WP uses the highly-effective hybrid fungus Trichoderma harzianum, strain T-22, to kill Pythium, Rhizoctionia, Fusarium, Thielaviopsis and Cylindrocladium.

Within 24 hours of application, RootShield WP blocks and actively attacks pathogens by "eating" them: ensuring uninterrupted plant growth.

Drenching RootShield WP wettable powder into the soil protects roots for up to 12 weeks and costs less than 1¢ per 6-in pot.



Suggested Uses: Safe for use on edible crops and ornamentals.

Warning: Do not inhale.

Pests and IPM:
This product works as a biological control for the following: Fusarium (Fusarium)

How To Use:
Use as a soil drench for greenhouse planting mixes and container nursery crops. 

RootShield WP can be applied through low pressure watering nozzles, overhead boom type sprayers or sprinklers, sub-irrigation (5-6 oz./100 gals.) or other drench watering systems.

Environment: Outdoors, Crops, Orchards & Vineyards, Nursery, Greenhouse, Grow Room, Hydroponics, Aquaponics, Interiorscapes, Container Plants, Houseplants

Application Rate: See label for crop-specific information.
  • 4-5 oz./100 gals. of water
  • 1-2 tbsps./5 gals. of water
  • In sub-irrigation use 5-6 oz./100 gals. of water
  • Constant agitation is required during application.




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