Dithane® 75DF Rainshield® 

  • Specialty Fungicide

Broad-spectrum disease control

Dithane® 75DF Rainshield® specialty fungicide is a unique broad-spectrum multisite fungicide that offers long-lasting protection and better disease control than other fungicides in its class. It is recommended for use at nurseries, greenhouses, sod farms, golf courses and other commercial turf settings.


Rainshield® technology

Image of rose bush

Rainshield® technology improves effectiveness under the heaviest disease pressure conditions. More fungicide stays on the plant even after heavy rain or in extreme heat and humidity.

Diseases controlled

Image of orange and red mums

Dithane® 75DF Rainshield® specialty fungicide is labeled for a variety of costly fungal diseases found at nurseries and greenhouses, including anthracnose; botrytis; leaf spot; petal, twig and fruit blights; rhizoctonia blight; rust; and scab. It’s also labeled for fungal diseases often found on golf courses, sod farms and industrial or municipal turf areas, including brown patch, gray leaf spot, pythium blight and snow mold.

Use sites

image of flowers in a greenhouse

Labeled for a variety of diseases found in nurseries and greenhouses, as well as on golf courses, sod farms and industrial turf areas.



Landscape Ornamentals


Commercial Turf

Sod Farms

Controlled diseases

Effective control of the following diseases and more:

  • Algae
  • Anthracnose
  • Blight
  • Botrytis Blossom Blight
  • Brown Patch
  • Brown Spot
  • Copper Spot
  • Dollar Spot
  • Gray Leaf Spot
  • Leaf Blight
  • Leaf Blotch
  • Leaf Spot
  • Petal Spot
  • Purple Spot
  • Red Thread
  • Rust
  • Scab
  • Slime Mold
  • Snow Mold
  • Twig Blight

Refer to the Product Label for complete product efficacy information.

Find labels for this product

State registrations

  • Registered
  • Unregistered

Technical Specifications

  • Active Ingredient

    Mancozeb: a coordination product of zinc ion and manganese ethylene bisdithiocarbamate

  • Application Rate

    For field nursery and greenhouse use, apply the equivalent of 1-2 lb. Dithane 75DF Rainshield per 100 gallons of dilute spray (1.5 lb. per acre).  For established turfgrass the recommended label use rate is 4 to 8 oz. per 1,000 square feet, applied with enough water to provide adequate coverage.

  • Application Timing

    Turf professionals should start applications of Dithane® 75DF Rainshield® specialty fungicide when plants are well leafed out or at first sign of disease in nurseries and greenhouses. In turfgrass, begin applications when grass greens up in spring or when disease first appears.

  • Approved Use

    Dithane 75DF Rainshield is labeled for use on nurseries, greenhouses, sod farms, golf courses (greens, fairways, tees and aprons), industrial and commercial lawns and other similar nonresidential areas. It is not labeled for use on residential or athletic turf.

  • Additional Information

    Dithane 75DF Rainshield is a unique broad-specturm protectant fungicide that offers long-lasting protection. It is available in a 12-pound bag.

™®Trademarks of Dow AgroSciences, DuPont or Pioneer, and their affiliated companies or their respective owners. Dursban is a federally Restricted Use Pesticide. State restrictions on the sale and use of Snapshot apply. Consult the label before purchase or use for full details. Always read and follow label directions.