PHOSPHO-jet

Arborjet · Copper · EPA Reg 74578-3 · Insecticide 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. 74578-3 →

PHOSPHO-jet is a systemic fungicide used for the control of various plant diseases, including anthracnose, canker, dieback, and various root rot issues. Its active ingredient is Phosphite (as salts of Phosphorous Acid) at a concentration of 45.8%. It is designed for use on a wide variety of plants including apples, grapes, citrus, avocados, mangoes, palms, turf, and various ornamental plants. The product can be applied via foliar spray, trunk injection, soil drench, or basal bark spray. For larger trees, trunk injection is a primary method, while foliar sprays are used for broader coverage. When handling, users must wear personal protective equipment (PPE) including chemical-resistant gloves, long sleeves, long pants, and sturdy shoes. It is important to avoid contact with eyes and skin. The label provides specific dilution rates and application methods based on the target pest, plant type, and tree size. Always follow the specific mixing and application instructions to ensure efficacy and safety.

Pests covered (1)

Anthracnose, canker, dieback, root rot, etc.

Areas treatable (1)

Apples, grapes, citrus, avocados, mangoes, palms, turf, ornamentals

Application instructions from the label 1

Apples, grapes, citrus, avocados, mangoes, palms, turf, ornamentals

Methods include foliar spray, trunk injection, soil drench, and basal bark spray.

Target pest: Anthracnose, canker, dieback, root rot, etc.
Location: Both

Mixing instructions 1

For pests	Label notes
General	Refer to specific tables for dilution rates based on plant type and tree diameter.

Worker safety

PPE required Chemical-resistant gloves, long sleeves, long pants, and sturdy shoes.

Timing & weather

Avoid application during high winds. Do not apply when temperatures are above 40°C (104°F).

Use restrictions 1

Do not apply to plants not listed. Follow specific instructions for trunk injection vs foliar spray. Avoid application during high winds or extreme temperatures.

Label SDS

Catalog source document available. The local copy is still withheld until its exact product identity, role, and full file hash are accepted. Open the catalog source label ↗ and verify the product name, EPA registration number, and revision before relying on it.

Publication withheld. This catalog record has no active evidence summary, so its document and any extracted directions remain unavailable while identity and document role are reviewed.

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.