Stargus® Biofungicide - Treat and Control Downy Mildew and Botrytis

Stargus Biofungicide

Control diseases longer with extended action. Provides broad spectrum disease control on challenging diseases such as downy mildew, BotrytisFusarium and more. Re-apply 2-4 times at 7-10 day intervals for extended efficacy throughout the season. Multiple modes of action make it a great resistance management tool.

Product Features:

  • MRL-exempt: No residue to worry about
  • Flexible labor scheduling: 0-Day PHI and 4 hour REI
  • Easy to tank mix
  • Minimal PPE

APPLICATION: Foliar (Aerial or Ground), Chemigation, Soil Treatment, Backpack/Hand Sprayer
ACTIVE INGREDIENT: Bacillus amyloliquefaciens F727

Stargus® Biofungicide to control downy mildew

Crops & Diseases

Stargus biofungicide is approved to control downy mildew, Botrytis and other fungal and bacterial diseases in a large number of commercial specialty crops.

How your crops benefit from Stargus

Stargus's unique mode of action brings a sustainable option to help simplify and extend your IPM program.

Boost yield with biopesticides

Boost yield & quality

Control downy mildew to increase marketable yield for top profit on every acre

Manage resistance with biopesticides

Manage resistance

Simple IPM option gives peace of mind of sustainable disease management and resistance prevention

Harvest flexibility with biopesticides

Harvest flexibility

Can be used right before harvest without concern for residues

Worker friendly biopesticides


Helps simplify your labor scheduling and avoids costly downtime

Want to learn more? Download the Stargus Product Brochure.

Mode of Action

Stargus’ simple IPM option gives peace of mind of sustainable disease management and resistance prevention.

The Stargus mode of action to control downy mildew, Botrytis and a broad range of diseases is two-fold:

  • Once applied, Stargus actively acts as a plant-growth promoting microbe, stimulating plant defenses, and
  • Stargus colonizes the plant tissue to out-compete pathogenic organisms trying to gain a foothold
Sustainable Ag 1 | MBI

Conquer Downy Mildew and Other Fungal and Bacterial Diseases with Biologicals

Approved for .5 CEU credit from CCA

ProFarm’s newest biofungicide provides broad-spectrum control on foliar and soil-borne diseases such as Downy mildew, Botrytis,Fusarium, Rhizoctonia, Phytophthora and more on a wide range of vegetables and fruit crops. Stargus is based on Bacillus amyloliquefaciensstrain F727 and has multiple modes of action, including triggering the plant’s own systemic defenses. It is easily tank mixed with other products and is intended to be part of an integrated crop management program. Learn how to fit it into your IPM program and get stronger, healthier plants that provide higher quality and yield.

Title: Conquer Downy Mildew and Other Fungal and Bacterial Diseases with Biologicals
Recorded: March 24, 2020
Featured Speakers:

  • Dr. Melissa O’Neal, Senior Product Development Manager, Western US, Pro Farm Group
  • Cindy Bishop, Western Regional Sales Manager, Pro Farm Group
  • Dr. Bindu Poudel, Extension Plant Pathologist/Plant Disease Diagnostician, The University of Arizona Cooperative Extension-Yuma County

Available On Demand

Click here for the access the webinar.

Stargus Efficacy

Stargus biofungicide performed similarly to most standard materials to control downy mildew and other fungal diseases.


“Stargus biofungicide is an excellent rotational partner. The broad spectrum fungicide increases marketable yield in a number of key crops such as leafy greens, apples, grapes, cane berries, fruiting vegetables, cucurbits and more. This MRL-Exempt product is recognized in university trial data for controlling foliar and soil borne diseases such as downy mildew in lettuce, Botrytis in grapes, and Fusarium in celery.”
~ Kamal El Mernissi, Senior Director of Product Marketing

Art of Use

The following best use practices should be kept in mind to effectively use Stargus Biofungicide:

Disease Amount Application
Botrytis 2-4 quarts/acre Foliar
Downy mildew 2-4 quarts/acre Foliar
Fusarium 3-4 quarts/acre Soil
White mold 2-4 quarts/acre Foliar
Sustainable Ag 11 | MBI

Labels & Literature

Download Stargus product literature.

    Where to Find Stargus Biofungicide

    We have a professional sales and technical support team and maintain a robust distributor network. To purchase or for a list of distributors in your area, connect with a ProFarm rep today!

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