Directions for Use of Daconil Fungicide

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Directions for Use of Daconil Fungicide
Prevent mildew on tomato plants with regular spraying with Daconil fungicide. (Digital Vision./Digital Vision/Getty Images)

Daconil, chlorothalonil, is a broad spectrum protectant fungicide for use in home gardens. As a contact fungicide, Daconil controls common fungi such as moulds, mildews, scab and rust on vegetables and ornamentals. You should apply Daconil at more frequent intervals during periods of cloudy or rainy weather, as these are conditions that favour the growth and spread of fungal diseases. Daconil for home garden use is 29.6 per cent active ingredient, compared to 40.4 per cent or higher concentrations for golf turf and other commercial applications. Daconil is recommended for home gardens but is not intended for use on home lawns.

Skill level:
Moderately Easy

Things you need

  • Daconil fungicide
  • Tablespoon-graduated measuring receptacle
  • Spray tank
  • Water repellent protective gloves
  • Goggles
  • Protective clothing
  • Face mask

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  1. 1

    Shake the bottle before use.

  2. 2

    Measure Daconil fungicide into the spray tank. Refer to the label directions to determine the proper amount of fungicide per gallon of water for your specific plant application. One gallon of mixture covers approximately 200 square feet.

  3. 3

    Fill the tank to the water line and agitate to create a suspension of the Daconil in the water.

  4. 4

    Spray the plants, covering both upper and under sides of leaves. Spray until runoff occurs.

  5. 5

    Repeat applications according to label instructions.

Tips and warnings

  • Follow all warnings on the product label.
  • Handle fungicides with care. Sulphur is the only fungicide that is not poisonous. Avoid fungicide contact with skin and do not get it into your eyes, as serious injury may occur.
  • Daconil is not recommended for use on pittosporum and schefflera. Phytotoxicity may occur.

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