Serenade Biofungicide Concentrate - 2.5 Gallon Bottle

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Organic Status:
OMRI Listed

Applied as a preventative fungicide, this microbial biofungicide, Bacillus subtilis (QST713 strain) is labeled for control of  plant pathogens such as lettuce downy mildew, botrytis brown rot, grape powdery mildew and much more.  Can be applied up to and including the day of harvest. Shows excellent efficiency against fungicide-resistance. Non-toxic to beneficial insects. Works on a wide range of diseases on a variety of crops. 

Also available in a Quart Bottle

Serenade® ASO fungicide is a powerful tool designed to protect against the effects of soil and foliar bacterial and fungal diseases. Applied at planting or through chemigation, Serenade quickly builds a disease-protection zone around the seed or transplant. As the plant’s roots grow, the beneficial bacteria in Serenade ASO formulated and provided at optimized levels grow with them, expanding the disease protection zone and attaching themselves, like armor, to the roots of the plant. Applied as a foliar spray, Serenade ASO protects crops against diseases such as Botrytis, Powdery mildew, Sclerotinia, Xanthomonas and Erwinia.

Key Benefits

  • Directly attacks diseases in the soil including Pythium, Rhizoctonia, Fusarium and some strains of Phytophthora;
  • Activates plant’s natural defenses by priming systemic responses in the plant;
  • Promotes growth and stress resistance;
  • Can be tank-mixed with other in-furrow products like fungicides or fertilizers;
  • Apply using existing spray or chemigation equipment;
  • Unique mode of action (FRAC code 44) for the best defense against the development of fungicide resistance;
  • Exempt from the requirements of a residue tolerance

Performance: The active ingredient in Serenade ASO fungicide, Bacillus subtilis strain QST 713, is a beneficial soil bacterium. A master of root colonization, B. subtilis strain QST 713 can quickly build a dense biofilm on plant roots. The biofilm acts as a protective barrier for the roots, shielding them from diseases in the soil, even at the roots’ tips. Safely and comfortably growing in the root zone, the beneficial bacteria in Serenade ASO produce metabolites that: 

  • kill soil diseases,
  • activate plant’s natural defenses,
  • promote plant growth,
  • increase the efficiency of photosynthesis. 
Application rates as follows for Serenade concentrate and ASO. For large scale use: 2 to 6 Qts. to the acre. For the first applications it is best to go with a rate of at least 4 Qts to the acre. Rates for hand held equipment as follows: For Apples, Pears, Broccoli, Carrots, Cherries, Cucurbits, Grapes, Leafy Vegetables, Onions/Garlic, Pepper, Tomato, and Walnuts, mix 4 fluid oz. (1/2 cup) of Serenade per gallon of water. For Ornamental Plants - Annual and Perennial Flowering Plants, Tropical Foliage, Trees and Shrubs, mix 1 - 2 fluid oz. (2-4 TBL.) of Serenade per gallon of water. Application coverage: Use 15 fluid oz of spray solution per 100 sq. ft. 
  • 5
    Serenade spray

    Posted by Wizbang on 1st Jun 2020

    I have used this product on my mall apple orchard to kill off fire blight. It is effective so I purchased this in quantity for the task. Seven Springs shipped in lighting speed too.

  • 5
    Great product

    Posted by David Brogan on 13th May 2020

    I use Serenade in the spring to fight leaf diseases and I also add it to organic fertilizer to fight serious root diseases like verticilium and Phytophthora.

  • 5
    Great Folks

    Posted by Garret on 25th Apr 2020

    Good price, quick shipment - what's not to like? Thank you!

  • 5

    Posted by John Jackson Jr on 16th Jul 2019

    We actually got peaches this year using this product, prior to this we would get brown rot before they would get ripe. Thanks for the fast service.

  • 5
    seranade aso

    Posted by earl on 8th Aug 2018

    This really works on powdery mildew. It takes alot so buy the big jug..

  • 5

    Posted by Stephen on 7th May 2018

    This is an excellent product for those of us who have chosen to take the 7 FACTORS TO REBUILD THE EARTH as a lifestyle we can live with:
    Organic, Permaculture, Ecosystems, Biodynamic, Regenerative, Sustainable Farming, Holistic Management, together, encourage biological diversity & healthy living!

  • 5
    My "go to" for biofungicide treatment.

    Posted by eric on 27th Apr 2017

    This is my third year using Serenade as my biofungicide proactive treatment on my lawn and it has yet to let me down. In the past three years, using this product, my lawn is healthy and lush as ever. I will continue to use Serenade and love that it is organic.

    Thank you 7springsfarm for a wonderful product!

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