Product Overview

With excellent crop safety and no residue concerns, Decree Fungicide is an exceptional tool throughout the season. Decree's 12-hour REI allows for Botrytis control in propagation and at retail, while its residual control gives growers the best value per application.

Decree has been determined to be a Reduced Risk Fungicide by the EPA indicating its minimal impact to humans and the environment. Decree can be applied to flowers in bloom and poinsettias in full color with little detectable residue and no phytotoxicity. In a FRAC group all on its own, Decree an excellent fungicide rotational partner.

Unsurpassed Botrytis control
Industry standard for quick and complete eradication
Protective and curative
Allows for initial eradication and reduces future breakouts
Excellent crop safety
Improved safety to sensitive plant tissue and blooms—including poinsettias in color!
Very low residue
Maintain a sellable crop at all times
Vegetable and herb label
Spray your food crops and ornamentals with the same tank
Decree Quick Facts
Use Sites
Greenhouses/Shadehouses, Greenhouse Vegetables and Herbs, Outdoor Nurseries, Forest Conifers, Non-bearing Fruit Trees and Vines
Pests Controlled
Botrytis Blight, Powdery Mildew (suppression)
Recommended Rate
0.75 - 1.5 lbs. per 100 gallons
Pre-Harvest Interval (PHI)
Leafy greens
• 3 days
Greenhouse vegetables (tomatoes, peppers, cucumbers, etc.)
• 0 days
Restricted-Entry Interval (REI)
12 hours
Active Ingredient
Mode of Action (FRAC Group)
Sterol biosynthesis in membranes (17)

Using Decree to Protect Your Plants

Labels and SDS

Registered States

Mode of Action

At very low concentrations, Decree inhibits hyphal growth and germ tube elongation of Botrytis cinerea. The germ tube growth stage is considered to be the most sensitive stage in the life cycle of Botrytis cinerea (happening outside the plant tissue, on the plant surface, before penetration of the leaf cuticle).

Decree inhibits 4 different stages:

  • Spore germination
  • Germ tube elongation
  • Appresoria formation
  • Mycelial growth

Botrytis prefers humid, cool environments, close crop spacing and overhead irrigation. Botrytis commonly affects geraniums, poinsettias, African violets, petunias, roses, hydrangeas, vincas, kalanchoes, and lisianthus.

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Experts in Ornamental Solutions

SePRO provides high-quality solutions for insect and disease control, as well as plant growth regulation to help you bring healthy, sellable plants and produce to your customers. See how we can help.