Best Biofungicide for Wilt and Blight

If you're dealing with wilt or blight in your crops, here's the essential information you need to know about using biofungicides effectively.

🌱 Top Biofungicides for Wilt and Blight

To help you get started, here are some of the most effective options, along with their key target diseases and application methods.



Biofungicide Active Ingredient Best For Fighting Application Method
LALSTOP K61 (Mycostop) Streptomyces griseoviridis Fusarium wilt, Pythium, Alternaria blight Soil drench, seed treatment, or root dip
RootShield Trichoderma harzianum T-22 Fusarium & Verticillium wilt, Rhizoctonia, Pythium Pre-plant dip, soil drench, or irrigation system
Companion Bacillus subtilis GB03 Fusarium, Pythium, Rhizoctonia, Phytophthora (Late Blight) Colonizes roots for season-long protection
Taegro 2 Bacillus subtilis Early & Late Blight, Botrytis, Downy Mildew, Fusarium Patch Foliar spray, also works systemically
Trichoderma-based (Trichoz-P, etc.) Trichoderma viride or asperellum Root rot, wilt, stem rot, and blight diseases Seed treatment, soil application, or drench
Pseudomonas fluorescens (Fluorescens-P) Pseudomonas fluorescens Bacterial leaf blight, Panama wilt, Fusarium wilt Soil or foliar application

💊 How to Choose the Right One for Your Farm

  • Which one for what problem? Use a Trichoderma or Streptomyces product for soilborne issues like Fusarium wilt. For foliar problems like early or late blight, use Bacillus subtilis as a foliar spray. Combining soil and foliar products works best.

  • Look for the right strain: The specific strain is crucial for success. For example, Trichoderma atroviride ICIPE 710 is excellent for late blight, while Hypocrea lixii F3ST1 is highly effective for Fusarium wilt.

  • Use it before you see the disease: Biofungicides work best as a preventative measure. Apply them early in the crop cycle to protect your plants.

👨🌾 How to Get the Best Results: A Step-by-Step Guide

  1. Begin Early to Prevent Disease: Apply biofungicides as a preventative measure at the start of the planting cycle, not when you see symptoms.

  2. Apply Generously as a Soil Drench: Mix 8-10 grams of product per liter of water and drench the root zone thoroughly, using about 500 ml per plant.

  3. Use as a Seed Treatment: For effective protection, mix 5-10 grams of product per kilogram of seed before sowing.

  4. Spray Foliage Regularly for Blight: Begin spraying when plants are 4 to 6 inches high, with repeat applications every 7-14 days.

  5. Combine Products for Better Control: Enhance results by pairing a biofungicide with another biocontrol agent (e.g., T. asperellum + P. fluorescens) and neem cake or organic matter.


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