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Propizol

Arborjet · Propiconazole · EPA Reg 74578-8 · Fungicide Document last checked 2026-05-30

According to the label From the product label

These details were extracted from this product's label PDF. The label is the law. Confirm every rate, site, restriction and safety requirement against the label before mixing or applying. Check for a state supplemental label; a product may be restricted or prohibited in a state or site even when a rate appears below. · EPA registration data for Reg. 74578-8 →

Propizol is a systemic fungicide used for the control of various fungal diseases in turfgrass and ornamental plants. The active ingredient is Propiconazole at a concentration of 14.3%. It is designed for use as a foliar spray on turfgrasses, as well as through trunk injection, micro-injection, or soil injection for trees. For turf, it controls diseases such as Dollar Spot, Brown Patch, Gray Leaf Spot, and Large Patch. For trees, it is used to manage diseases like Dutch Elm Disease, Anthracnose, and various cankers. Application methods vary by target: turf is applied via foliar spray, while trees can be treated via trunk injection (for larger diameters) or micro-injection (for smaller diameters). When using trunk injection, the product is diluted with water and injected into the tree's vascular system. Handling requires specific personal protective equipment, including chemical-resistant gloves, protective eyewear, and long-sleeved shirts. It is important to note that the product should not be applied to certain plants like violets, begonias, or ferns, and specific timing/weather precautions apply to prevent runoff and ensure efficacy.

Pests covered (3)
Dollar Spot, Brown Patch, Gray Leaf Spot, Large Patch, etc.Dutch Elm Disease, Anthracnose, various cankersAnthracnose, Fusarium
Areas treatable (2)
TurfgrassTrees

Application instructions from the label 2

Turfgrass

Foliar spray application.

Target pest
Dollar Spot, Brown Patch, Gray Leaf Spot, Large Patch, etc.
Location
Outdoor

Trees

Trunk injection, micro-injection, or soil injection.

Target pest
Dutch Elm Disease, Anthracnose, various cankers
Location
Outdoor

Mixing instructions 3

For pests Location Label notes
Turfgrass diseases Outdoor Foliar spray application.
Tree diseases (Trunk Injection) Outdoor Dilute with water; see table for specific DBH and volume requirements.
Tree diseases (Micro-injection) Outdoor Dilute with water; see table for specific DBH and volume requirements.

Worker safety

Re-entry interval (REI) 24
PPE required Chemical-resistant gloves, protective eyewear, long-sleeved shirt, long pants, and shoes.

Timing & weather

Use restrictions 3

Label SDS
Active ingredient Propiconazole
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Document text and citations

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Reference only. Always read and follow the most current EPA-approved label on the product container. State and local restrictions may apply that are not reflected in this digitised copy. Verify the EPA registration number and revision date before use.