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ENVU (FORMERLY BAYER)

Rhapsody Fungicide

Rhapsody Fungicide is a broad-spectrum, preventative biofungicide that brings sustainable disease control to a wide range of plants, from turfgrass and ornamentals to fruits, vegetables, and herbs.

As low as $133.00
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Rhapsody Fungicide Product Page
Min : 133 - Max : 133
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Price as of
12/11/25
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Rhapsody Fungicide, manufactured by Bayer, is an effective contact biofungicide that colonizes plant surfaces, outcompetes pathogens, and secretes antifungal and antibacterial metabolites that suppress and kill disease organisms.

With more and more pathogens becoming resistant to conventional fungicides, Rhapsody offers a unique mode of action to break resistance cycles. With Bacillus subtilis strain QST 713 as its active ingredient, this product offers powerful protection against many common foliar fungal and bacterial diseases all while being OMRI-listed for organic production.

Rhapsody Fungicide is a game-changing fungicide that uses naturally occurring soil bacteria to control diseases. It reduces the chemical load while maintaining efficacy for turf professionals and average growers. 

Tools Needed

It can be applied with a hose-end sprayer, backpack sprayer, handheld pump sprayer, or spray rig. 

How to Use

  • Step 1: Determine how much Rhapsody Fungicide to use by measuring the square footage of the treatment area. Find the square footage by measuring the treatment area's length and width in feet, then multiply them together (length X width = square footage). For foliar sprays on select agricultural greenhouse crops, apply 3 to 8 quarts of Rhapsody Fungicide per 100 gallons of water. For foliar applications on ornamentals, trees, shrubs, landscape and flowering plants, use 2 to 8 quarts of product per 100 gallons of water. To treat lawns, turf, sod, golf courses (greens, tees, fairways and roughs), and ornamental turf, apply 2 to 10 fl. oz. of product per 2 gallons of water per 1,000 sq. ft. Refer to the product label for specific application rates and restrictions. 
  • Step 2: Fill tank halfway with water. Add Rhapsody to the tank and begin agitation. Fill tank with the final volume of water and continue agitating until the solution is mixed. 
  • Step 3: Apply as a foliar spray or drench. Maintain good coverage, especially on dense foliage. Be sure to spray the top and bottom of leaves until wet, but not to the point of runoff. For drench applications, thoroughly soak the growing media through the root zone. 

Where to Use

Rhapsody Fungicide can be used indoors and outdoors. 

Sites such as ornamentals, landscape plants, greenhouse vegetables, trees, shrubs, turf, lawns, sod, golf courses (greens, tees, fairways, and roughs), seedlings, and conifers may be treated. It can also be used in field applications, greenhouses, glasshouse, nurseries, shade houses, landscapes, interiorscapes, seedling production sites, and forest seedling production sites. 

When to Use

Apply early, before the disease develops on days when rainfall is not expected to occur. 

Safety Information

Rhapsody Fungicide is safe for people and pets when applied according to the product label instructions. Always wear the proper personal protective equipment (PPE) when mixing and applying this product. 

Keep people and pets out of treated areas until sprays have dried. 

Special Considerations

Rhapsody is compatible with a wide range of additives. Since the product is primarily a protectant, thorough coverage of all above-ground plant parts is required for effective product performance. To improve plant surface coverage, add a nonphytotoxic adjuvant surfactant to spray tank.

More Information
Restricted Use No
Availability Online
Signal Word CAUTION
Keith's Pro Tip "Consider thinning tree canopies in shaded areas and regular mowing to help prevent disease outbreaks."
Time to Kill Rhapsody Fungicide will protect foliage for 7-28 days.
Chemical Type Fungicide
Formulation Suspended Concentrate
Application Methods Broadcast Spray, Drench Treatment
Product Drawbacks It will not control current diseases.
Active Ingredient QST 713 strain of Bacillus subtilis 1.34%
Application Equipment Backpack Sprayer, Hose End Sprayer, Pump Sprayer, Spray Rig
Mix Rate For foliar sprays on select agricultural greenhouse crops, apply 3 to 8 quarts of Rhapsody Fungicide per 100 gallons of water. For foliar applications on ornamentals, trees, shrubs, landscape and flowering plants, use 2 to 8 quarts of product per 100 gallons of water. To treat lawns, turf, sod, golf courses (greens, tees, fairways and roughs), and ornamental turf, apply 2 to 10 fl. oz. of product per 2 gallons of water per 1,000 sq. ft.
Use Sites Indoors, Outdoors
Yield 2.5 gallons of Rhapsody Fungicide will cover 5 acres.
EPA Registration No. 264-1155
Shelf Life Rhapsody Fungicide will last for 3 years when stored in a dry, clean area.
Comparable Products Cease Biofungicide
Children or pets? No
Property Characteristics None
AvailabilityOnline
Restricted UseNo
BrandENVU (FORMERLY BAYER)
Keith's Pro Tips"Consider thinning tree canopies in shaded areas and regular mowing to help prevent disease outbreaks."
Product DrawbacksIt will not control current diseases.
Target PestsAlternaria Leaf And Fruit Spot, Angular Leaf Spot, Angular Leaf Spot (Pseudomonas), Anthracnose (Colletotrichum Gloeosporioides), Anthracnose (Colletotricum), Bacterial Blight (Pseudomonas Syringae), Bacterial Canker, Bacterial Diseases, Bacterial Leaf Blight (Xanthomonas), Bacterial Leaf Spot (Pseudomonas), Bacterial Soft Rot (Erwinia), Bacterial Speck Of Tomato (Pseudomonas), Bacterial Spot (Xanthomonas), Bacterial Spot Of Tomatoes, Black Crown Rot (Alternaria Radicina), Black Mold (Alternaria), Black Root (Alternaria), Black Rot Of Cabbage (Xanthomonas Campestris), Black Spot Of Rose (Diplocarpon Rosae), Botrytis, Botrytis Leaf Blight, Botrytis Rot, Brown Patch (Rhizoctonia), Brown Patch Of Turf/Grasses (Fusarium), Cercospora Leaf & Fruit Spot, Dollar Spot (Sclerotinia), Dollar Spot/Small Brown Patch (Sclerotinia Homeocarpa), Downy Mildew (Bremia Lactucae), Downy Mildew (Peronospora), Downy Mildew (Plasmopara), Downy Mildew (Pseudoperonospora), Downy Mildew Of Crucifers (Peronospora Parasitica), Downy Mildew Of Onions (Peronospora Destructor), Early Blight (Alternaria), Fairy Ring, Fire Blight (Erwinia), Fusarium Patch (Pink Snow Mold) (Fusarium Nivale), Fusarium Spp, Gray Leaf Spot (Pyricularia), Gray Mold Rot (Botrytis Cinerea), Gray Mold Rot Of Fruit (Botrytis Cinerea), Gray Snowmold (Typhula Blight), Gummy Stem Blight (Mycosphaerella Citrullina/Melonis), Late Blight (Phytophthora), Leaf Blight (Alternaria), Leaf Spot (Alternaria), Leaf Spot (Cercospora), Leaf Spot (Entomosporium), Leaf Spot (Helminthosporium), Leaf Spot (Myrothecium), Leaf Spot (Septoria), Nailhead Spot (Alternaria), Neck Rot (Botrytis), No Pest, Phytophthora Spp, Pink Rot (Sclerotinia), Pink Snow Mold (Fusarium Patch), Powdery Mildew (Erysiphe Cichoracearum), Powdery Mildew (Erysiphe Polygoni), Powdery Mildew (Erysiphe), Powdery Mildew (Erysiphe/Sphaerotheca), Powdery Mildew (Leveillula), Powdery Mildew (Oidiopsis), Powdery Mildew (Oidium), Powdery Mildew (Podospheara/Sphaerotheca), Powdery Mildew (Sphaerotheca), Powdery Mildew (Uncinula Necator), Purple Blotch (Alternaria), Pythium Blight, Pythium Spp., Red Thread (Laetisaria Fuciformis), Rhizoctonia Spp., Rust (Puccinia), Scab (Venturia), Sclerotinia Drop, Soilborne Diseases (Fusarium), Soilborne Diseases (Phytophthora), Soilborne Diseases (Pythium), Soilborne Diseases (Rhizoctonia), Sour Rot (Geotrichum Candidum), Southern Blight (Sclerotium Rolfsii), Target Spot (Corynespora), Walnut Blight (Xanthomonas), White Mold (Sclerotinia Sclerotiorum), and Xanthomonas Leaf Spot.
Application EquipmentBackpack Sprayer, Hose End Sprayer, Pump Sprayer, Spray Rig
Application MethodsBroadcast Spray, Drench Treatment
Active IngredientQST 713 strain of Bacillus subtilis 1.34%
Product TypeFungicide
FormulationSuspended Concentrate
Application RateFor foliar sprays on select agricultural greenhouse crops, apply 3 to 8 quarts of Rhapsody Fungicide per 100 gallons of water. For foliar applications on ornamentals, trees, shrubs, landscape and flowering plants, use 2 to 8 quarts of product per 100 gallons of water. To treat lawns, turf, sod, golf courses (greens, tees, fairways and roughs), and ornamental turf, apply 2 to 10 fl. oz. of product per 2 gallons of water per 1,000 sq. ft.
Shelf LifeRhapsody Fungicide will last for 3 years when stored in a dry, clean area.
Yield2.5 gallons of Rhapsody Fungicide will cover 5 acres.
Use SitesIndoors, Outdoors
Time to KillRhapsody Fungicide will protect foliage for 7-28 days.
Comparable ProductsCease Biofungicide
EPA Registration #264-1155

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