Active ingredient profile

Streptomyces lydicus

Bacterial biofungicide. FRAC places Streptomyces lydicus strain WYEC108 among the microbial strains in Group BM02, biologicals with multiple modes of action.[2]

Streptomyces lydicus WYEC 108 is a beneficial microbe and the active ingredient in Actinovate. Watered in, it grows on and around roots; sprayed on, it settles on foliage, where it guards plants against harmful fungi and bacteria.[1]

The label is the law. Rates and restrictions below are taken from the product labels listed under Sources. Your product's own label governs; read it before you mix or apply. Mixing calculator · Disclaimer

Active ingredient
Streptomyces lydicus strain WYEC 108
Chemical class
Bacterial biofungicide. FRAC places Streptomyces lydicus strain WYEC108 among the microbial strains in Group BM02, biologicals with multiple modes of action.[2]
Mode of action
FRAC Group BM02: Biologicals with multiple modes of action: microbial strains (Streptomyces spp.)[2][1]
Signal word
Actinovate Soluble home and garden sublabel (sold as Actinovate Lawn & Garden or Actinovate for Lawn & Garden): Caution[1]

A living fungicide

The label describes the active ingredient as a microbe that colonizes the root system or foliage and protects it from harmful bacteria and fungi using several antifungal and antibacterial modes of action.[1]

Because it is alive, timing and storage matter. Apply it before disease or at the first sign, and keep the powder from overheating or freezing.[1]

Where it is used

For root diseases, water the mix into the pot or around the plant base until the soil is saturated without runoff. Start as early as seeding or transplanting, and repeat every 2 to 12 weeks.[1]

For leaf diseases, spray leaves, stems and new shoots to runoff, then repeat every 7 days as needed. Don't water foliage for 4 hours, and reapply after heavy rain.[1]

Don't mix it with chlorinated water, quaternary ammonia or hydrogen peroxide, which the label lists as restrictions.[1]

Use an opened package within 4 months and before its expiry date. Store it between 40°F and 77°F, out of sunlight and away from heat.[1]

Products and registrations

ProductRegistrantEPA Reg. No.Active %FormulationSignal word
Actinovate Soluble home and garden sublabel (sold as Actinovate Lawn & Garden or Actinovate for Lawn & Garden)[1]Novozymes BioAg, Inc.73314-200.037%water-soluble powder biofungicideCaution

Label rates

ProductUsePestsRate
Actinovate Soluble home and garden sublabel (sold as Actinovate Lawn & Garden or Actinovate for Lawn & Garden)Vegetables, fruits, nuts, flowers, roses, potted and foliage plants, trees and shrubsRoot rot and damping-off, club root, powdery and downy mildew, gray mold, black spot of rose, fire blight1–2 tsp product per 2 gallons of water[1]
Use the higher rate when disease pressure is heavy. One cup of mix usually treats one 6 inch pot as a drench.
Actinovate Soluble home and garden sublabel (sold as Actinovate Lawn & Garden or Actinovate for Lawn & Garden)Home lawnsBrown patch, dollar spot, take-all patch, gray and pink snow mold0.5–2 tsp product per gallon of water[1]
Start with 2 teaspoons per gallon, then drop to ½ teaspoon per gallon for maintenance. Spray 1 gallon of mix per 200 sq ft and soak the turf.

Safety and environmental hazards

People

Signal word CAUTION. Avoid contact with eyes, skin and clothing, avoid breathing the dust or spray mist, and wash with soap and water after handling.[1]

Pets

The home sublabel gives no separate pet instructions. It says to store the product somewhere children can't reach.[1]

Bees and pollinators

The label has no bee or pollinator hazard statement.[1]

Fish and water

Don't let it enter or run off into storm drains, gutters, ditches or surface water. Rinse spray equipment over the treated area.[1]

Common questions

How much Actinovate per gallon of water?
For garden drenches and sprays, 1 to 2 teaspoons in 2 gallons of water. Lawns get 2 teaspoons per gallon at first, then ½ teaspoon for maintenance.[1]
Can I use Actinovate in hydroponics?
Yes. The label says to dissolve ½ to 1 teaspoon per gallon in the nutrient tank and reapply each time the nutrient water is changed.[1]
Is Actinovate organic?
The home sublabel carries the optional claims For Organic Gardening and For Organic Lawn Care. It can be applied up to and including the day of harvest.[1]

Sources

  1. U.S. EPA Pesticide Product Label System, “Actinovate Soluble master label label, EPA Reg. No. 73314-20 (EPA-stamped, Dec. 15, 2022).” www3.epa.gov/pesticides/chem_search/ppls/073314-00020-20221215.pdf (accessed 2026-10-06)
  2. Fungicide Resistance Action Committee, “FRAC Code List 2025.” www.frac.info/media/ljsi3qrv/frac-code-list-2025.pdf (accessed 2026-10-06)

Updated 2026-10-06. Built from sourced records; every rate traces to a product label. Spot an error? Tell us.