Detour 4 SC Fungicide

Detour 4 SC Fungicide

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Product Overview

Detour 4 SC is a highly effective fungicide that kills disease-causing organisms on turfs. It contains fluazinam as an active ingredient that fully protects greens from damages that diseases leave behind. Features great control of various pathogens that are resistant to fungicides, including dollar spot. This specially formulated fungicide has a multi-site mode of action which helps in delaying the progress of resistance to other fungicides. Perfect for preventing pathogens like molds, stem rust, large patch, and leaf spot on golf courses, tees, roughs, and fairways, making it an excellent addition to disease management program. A stand-alone fungicide but can also be used as a tank-mix partner. Best substitute to Secure Fungicide. Available in 2.5 gallon jug.

Features and Specs

Active Ingredient Fluazinam - 40%
Target pests Dollar spot, leaf spot, melting-out, brown blight, brown patch, large patch, red thread, anthracnose, gray snow mold, pink snow mold, pink patch, stem rust, and algal scum.
For use in Fairways, golf courses, greens, roughs, and tees.
Pet safe Yes, if used as directed on label.
Formulation Suspension Concentrate.
NY (Restricted To Licensed Applicators Only)
Special Features Aids in resistance management and a multi-site contact fungicide.
Shipping Weight 27.00 lbs
Manufacturer Atticus LLC (Mfg. Number: 510014)
EPA Registration 91234-34



It is a violation of Federal law to use this product in a manner inconsistent with its labeling. Failure to follow the use directions and precautions on this label may result in turf injury, poor disease control, and/or illegal residues. Do not apply this product in a way that will contact workers or other persons, either directly or through drift. Only protected handlers may be in the area during application. For any requirements specific to your State or Tribe, consult the State or Tribal agency responsible for pesticide regulation. 


This product is an excellent disease control agent when used according to label directions for control of a broad spectrum of listed plant diseases. This product is for use in programs which are compatible with the principles of Integrated Pest Management (IPM), which may include the use of disease resistant crop varieties, cultural practices, biological control agents, pest scouting and disease forecasting systems aimed at preventing economic pest damage and reducing unnecessary applications of pesticides. Practices known to reduce disease development should be followed. Consult your state cooperative extension service or local agricultural authorities for additional IPM strategies established in your area. This product may be used in State Agricultural Extension advisory (disease forecasting) programs that recommend application timing based on environmental factors which favor disease development.


Some plant pathogens are known to develop resistance to products used repeatedly for disease control. This product is effective for strategic use in fungicide disease management programs that attempt to minimize disease resistance to fungicides. This product has a multi-site mode of action that disrupts the energy production in the fungus. It is listed in FRAC code 29, as an uncoupler of oxidative phosphorylation. Some other fungicides, which are at risk from disease resistance, exhibit a single-site mode of fungicidal action. This product, with its multi-site mode of action, may be used to prevent or delay the development of resistance to single-site fungicides when used as a tank-mix partner or alternated in a disease management program.

This product has demonstrated excellent control of Sclerotinia homeocarpa, Lanzia and Moellerodiscus strains (causing Dollar Spot) that are insensitive to several classes of fungicides.

Consult with your Federal or State Cooperative Extension Service representatives for guidance on the proper use of this product in programs that seek to minimize the occurrence of disease resistance to other fungicides. This product is an excellent partner for those products that specify the use of a protectant or other fungicide that has a different mode of action. 


NOTE TO USER: Although this product has been evaluated on several turf species with no indication of phytotoxicity, neither the manufacturer nor seller has determined whether or not THIS PRODUCT can be used safely on all turf species. The professional user should determine if this product can be used safely prior to commercial use by testing on the type of turf to be treated at specified rates for phytotoxicity.


This product can be used effectively in dilute sprays. Thorough, uniform coverage is essential for disease control.

NOTE: Slowly invert container several times to assure uniform mixture.

Prepare only the amount of spray mixture required for immediate use. Thoroughly clean spray equipment before using this product. Vigorous agitation is necessary for proper dispersal of the product. Maintain maximum agitation throughout the spraying operation. Do not allow spray mixture to stand overnight or for prolonged periods in the spray tank. Spraying equipment should be thoroughly cleaned immediately after the application.

Product Alone: Fill the spray tank with half of the required amount of water with the agitator running, add this product to the spray tank. Continue agitation while adding the remainder of the water. Begin application of the solution after this product has completely dispersed into the mix water. Maintain agitation until all of the mixtures has been applied.

Tank Mixtures: It is the pesticide user’s responsibility to ensure that all products are registered for the intended use. Read and follow the applicable restrictions and limitations and directions for use on all product labels involved in tank mixing. Users must follow the most restrictive directions for use and precautionary statements of each product in the tank mixture. This product is physically compatible with many products recommended for control of diseases, liquid fertilizers, growth regulators, insecticides and biological control products. If tank mixes are desired, read and follow all directions, precautions, and limitations on labeling of all products used. This product must not be mixed with any product which prohibits such mixing. It is the applicator's responsibility to ensure that the companion product is EPA approved for use on the intended site. Tank mixtures or other applications of products referenced on this label are permitted only in those states in which the referred products are registered. 

This product is generally compatible with the products mentioned above, provided sufficient free water is available for dispersion of all the tank mix products. However, the physical compatibility of this product with tank mix partners should be evaluated before use. A jar test should be conducted with the intended tank mix products prior to preparation of large volumes. Use the following procedure:

Jar Compatibility Test:

  1. Pour the specified proportions of the products into a suitable container of water;
  2. Mix thoroughly; and
  3. Allow to stand for 5 minutes.

If the combination remains mixed or can be re-mixed readily, it is considered physically compatible. Any physical incompatibility in the jar test indicates that this product should not be used in the tank mix.

Consult compatibility charts or your local or state agricultural authorities for additional compatibility information. 

To prepare a spray solution:

  • Add ½ of the required amount of water to the mix/sprayer tank.
  • Start the agitator running before adding any tank mix partners.
  • Add the tank mix partners in the following order: 
    • Products packaged in water-soluble packaging;
    • Wettable powders;
    • Wettable granules (dry flowable);
    • Liquid flowable (such as this product);
    • Liquids; and
    • Emulsifiable concentrates
  • Always allow each tank mix partner to become fully dispersed before adding the next product.
  • Provide sufficient agitation while adding the remainder of the water.
  • Maintain agitation until all of the mixtures has been applied.
  • When using this product in tank mixtures, add all products in water-soluble packaging to the tank before any other tank mix partner, including this product.
  • Allow the water-soluble packaging to completely dissolve and the product(s) to completely disperse before adding any other tank mix partner to the tank. • Use a pump with the capacity to maintain the correct rated pressure for the nozzles selected.
  • Maintain sufficient agitation to keep the mixture in suspension.
  • Use a jet agitator, liquid sparge tube, or mechanical paddle for agitation.
  • Use screens to prevent nozzles from clogging. Use 50-mesh or coarser screens placed after the tank and before the nozzles. Check the nozzle manufacturer’s directions.
  • For more information on spray equipment and calibration, consult sprayer manufacturers and state recommendations. 


  1. Use this product in a Preventative Disease Control Program.
  2. Apply in sufficient water to ensure thorough coverage.
  3. Apply after mowing or allow the sprayed area to completely dry before mowing.
  4. For control of foliar diseases, allow the sprayed area to completely dry before irrigation.
  5. For optimum turf quality and disease control, use this product in conjunction with turf management practices that promote good plant health and optimum disease control.
  6. Evaluate spray additives prior to use. Label directions are based on data obtained with no additives.
  7. Before the use of any fungicide, proper diagnosis of the organism causing the disease is important. Use of diagnostic kits or other means of identification of the disease organism is essential to determine the best control measures.

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