Companion® Maxx ST


icon shielded plant

Protection Against Soil-Borne Diseases

icon shield pathogen

Stimulate Your Plant’s Natural Defenses

icon plant in hand

Enhance Crop Fertility & Stress Resistance

icon pant increase

Promote Plant Growth & Overall Yield

Bacillus amyloliquefaciens strain ENV503 from Companion on root surface

Bacillus amyloliquefaciens strain ENV503 from Companion on root surface

There are few issues more threatening to crop health and ultimately yield than disease, especially soil-borne and early occurring foliar diseases. Early-season protection and suppression of seedling diseases are more important than ever.

The trusted and proven BellaTrove® Companion®, now in a seed treatment!

Bella Trove Companion Maxx ST

This 100% water-dispersible, broad-spectrum biological fungicide seed treatment is a multiple mode of action disease management tool and contains our proprietary active ingredient Bacillus amyloliquefaciens strain ENV503- a plant growth promoting rhizobacterium that quickly establishes beneficial colonies on the plant’s roots and leaves.

BellaTrove® Companion® Maxx ST

More Crops, More Control. Higher Fertility, Higher Yield.

Three Modes of Action

Bella Trove Companion Maxx ST ()
protect plants roots

Bacillus amyloliquefacians strain ENV503 film protects plant’s roots from invading pathogens, stimulates healthier roots, and improves nutrient uptake.

Trusted Companion®

This broad-spectrum biofungicide offers:

  • Compatibility with many chemical pesticides & plant nutrition products (see product label for directions for use)
  • Highly concentraed A.I. formula
  • Flexible application: Seed Treated (Slurry), Planter Box, Hopper Box
  • OMRI Certification
  • Non-toxic to humans, livestock, and wildlife

Provides Fungal & Bacterial Disease Control

Bella Trove® Companion® Maxx ST offers broad spectrum disease control of both fungal and bacterial pathogens. It addresses more than three dozen common diseases including:

  • Damping-off fungus
    • Rhizoctonia spp.
    • Pythium spp.
  • Fusarium spp.
    • Fusarium seedling blight

omri listed logo Reduced

Discover More: Explore our BellaTrove™ product family here.

BellaTrove Companion Maxx ST Product Label


Three soybean seedlings showing root rot from Pythium, compared with five healthy seedlings on the right.

Zitnick-Anderson, Kim. Pythium Damping-off of Soybean, NDSU, Oct. 2022,