Companion® Biological Fungicide Wettable Powder 


Bacillus subtilis form Companion on root surface

There are few issues more threatening to crop health, and ultimately yield, than disease. Severe attacks on plants can inhibit a successful harvest and maximum yield potential, but these threats are avoidable and controllable.

Companion® Biological Fungicide Wettable Powder is a multiple mode of action disease management tool. This 100% water-dispersible, broad-spectrum biological fungicide is specially designed to:

  • Prevent, control and suppress soil-borne and foliar disease

  • Stimulate plant’s natural defenses

  • Enhance crop fertility

  • Promote increased plant growth and stress resistance

Core Technology
Anchoring our legacy biologicals portfolio — along with TerraTrove™ SP-1 Classic™ and TerraTrove™ Essential Plus® — customers have trusted Companion® biological fungicides as valuable disease defense solutions for multiple crops on millions of acres.

OMRI Listed® Disease Management Tool
Companion® Biological Fungicide Wettable Powder is:

  • An effective tool to address pesticidal resistance

  • OMRI Listed® and suitable for organic production

  • Non-toxic to humans and wildlife

  • Offers multiple modes of action, directly fighting pathogens and activating the plant’s own immune response (ISR)

Trusted Companion®
This broad-spectrum biofungicide:

  • Compatible with many chemical pesticides and plant nutrition products  (see product label for directions for use)

  • Increases a plant’s own ability to fight disease and withstand stress

  • Offers flexible application

  • Zero pre-harvest interval (PHI)

  • Short reentry


Companion 9 days after application

Provides Fungal and Bacterial Disease Control
Companion® Biological Fungicide Wettable Powder offers broad spectrum disease control of both fungal and bacterial pathogens. It addresses more than three dozen common diseases including:

  • Root/crown rots and damping-off

  • Anthracnose

  • Bacterial blights

  • Cankers

  • Mildews and molds

  • Spots and scabs

Discover More: Explore our BellaTrove™ product family here.


 Treated lettuce

Untreated  lettuce