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Maxim Quattro

Syngenta · Fludioxonil · EPA Reg 100-1352 · Fungicide Document last checked 2026-05-30

About this product

Active ingredient Fludioxonil
Manufacturer Syngenta
Category Fungicide

Full details for Maxim Quattro

Source product label ↗ Open the catalog source label while the local copy is reviewed. Verify the product name, EPA registration number, and revision before use. Source safety data sheet ↗ Open the catalog source SDS while the local copy is reviewed. Verify the exact product and revision before relying on it. EPA registration data Reg. 100-1352 — registry reference, signal word and status.

Applicator discussion

Nothing here is label direction — the label is the law. These are notes from other applicators, moderated before they appear. Check the labeling accompanying the product and applicable state requirements.

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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. 100-1352 →

Maxim Quattro is a broad-spectrum seed treatment fungicide used to control various fungal diseases in corn, sweet corn, and popcorn. It contains four active ingredients: Fluoxiconil (3.32%), Mefenoxam (2.83%), Azoxystrobin (1.53%), and Thiabendazole (26.50%). This product is specifically designed for seed treatment to manage seed-borne and soil-borne fungi, including diseases like seedling damping-off, corn smut (Sporisorium reilianum), and various Rhizoctonia, Penicillium, Pythium, and Fusarium species. It is applied as a water-based slurry directly to the seed. When mixing with tank-mix partners, users should ensure compatibility and follow specific agitation instructions. Handling requires specific Personal Protective Equipment (PPE), including long-sleeved shirts, long pants, and chemical-resistant gloves (barrier laminate, nitrile, neoprene, PVC, or Viton). Users should avoid contact with eyes and skin, and prevent environmental contamination of water bodies, especially since Mefenoxam and Azoxystrobin can leach into groundwater. It is also toxic to fish, aquatic invertebrates, oysters, and shrimp. Always follow Worker Protection Standard (WPS) requirements and ensure treated seeds are labeled correctly.

Pests covered (1)
fungal diseases (seed-borne and soil-borne)
Areas treatable (1)
corn, sweet corn, and popcorn seeds

How to treat each type of area 1

corn, sweet corn, and popcorn seeds

Target pest Location Rate Unit Label notes
fungal diseases (seed-borne and soil-borne) Outdoor 0.0544 - 0.0736 mg active ingredient per kernel mg/kernel Includes control of damping-off, corn smut, Rhizoctonia, Penicillium, Pythium, and Fusarium spp.

Mixing instructions 1

Label notes
Can be applied in tank mixes; compatibility with other products should be tested prior to use. If using wettable powders, add them to the mix first.

Worker safety

PPE required Long-sleeved shirt and long pants; chemical-resistant gloves (barrier laminate, nitrile >14 mils, neoprene >14 mils, polyvinyl chloride (PVC) >14 mils, or Viton >14 mils); shoes plus socks.

Use restrictions 4