Indigo ProForce Tombstone Duo Fungicide

Overview

Tombstone Duo is built for turf professionals who need fast knockdown and long-term residual protection against multiple fungal diseases. Its dual-mode formulation stops fungal growth at multiple stages, preventing disease spread and protecting healthy turf from infection.

Active Ingredients

Tebuconazole 200 g/L; Trifloxystrobin 100 g/L

Classification: Broad-spectrum fungicide (Group 3 + 11). Provides both preventative and curative activity against multiple fungal pathogens.

Controls

Tombstone Duo delivers powerful control against the major fungal diseases that threaten turf health and appearance, especially in warm, humid conditions.

• Brown Patch (Rhizoctonia solani)
• Dollar Spot (Sclerotinia homeocarpa)
• Anthracnose (Colletotrichum spp.)
• Winter Fusarium (Fusarium roseum)
• Curvularia (Curvularia spp.)
• Helminthosporium (Helminthosporium spp.)
• Ectotrophic Root Infecting Fungi (ERI)
• …and other major turf pathogens

Application Rate

Area to Treat	Product Dose	Water	Notes
100 m²	5–10 mL	5–10 L	Preventative spray
1,000 m²	50–100 mL	50–100 L	For active disease control

How to Apply

1. Apply when disease conditions are present (high humidity, warm nights, or visible symptoms) or as a preventative during at-risk periods.
2. Mix Tombstone Duo with water according to the rate above. Use a pressure sprayer for even coverage.
3. Spray thoroughly, ensuring complete coverage of all leaf surfaces. Overlap spray passes slightly for uniform distribution.
4. Apply in early morning or late evening to avoid leaf burn and maximize uptake.
5. For preventative control apply on a 21–28 day interval when conditions are favourable for disease development. For curative control apply on a 14–21 day interval.
6. Allow the spray to dry before entering the treated area.

Important Information

• Timing: Apply preventatively in spring and autumn (cooler, wetter periods favourable to disease), or at first sign of disease symptoms.
• Drying: Do not allow entry into treated areas until the spray has dried. The label sets no fixed drying time.
• Mowing: The label states no mowing restriction.
• Grass types: Safe on all turf types including couch, kikuyu, buffalo, ryegrass, and bentgrass.
• Rotation: For disease management, alternate Tombstone Duo with other fungicide modes of action to prevent resistance.
• Resistance management: Do not apply more than two consecutive sprays of Tombstone Duo unless mixed with a protectant fungicide from group 14, 28, M2, M3, M4 or M5.

Regulatory Information

APVMA Registration: 81858/124206

Withholding Period: Do not graze treated areas, or feed turf clippings from treated areas to animals including poultry.

Re-entry Interval: Do not allow entry into treated areas until the spray has dried.

Safety Data Sheet & Label: Approved label (PDF) · Safety data sheet (PDF)

Get the Right Tools

Apply with a backpack or trolley sprayer for professional coverage. See our full sprayer range and other fungicide options.

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