Dual Active Chemistry and Mitochondrial Modes of Action
Merivon combines Fluxapyroxad (an SDHI carboxamide active) with Pyraclostrobin (a strobilurin active) in an advanced suspension concentrate.
Fluxapyroxad inhibits Complex II respiration (succinate dehydrogenase), while Pyraclostrobin blocks Complex III respiration in fungal mitochondria.
This dual inhibition shuts down ATP energy generation across two distinct cellular sites, delivering exceptional preventive and curative disease control.
- Fluxapyroxad (250 g/L): Succinate dehydrogenase inhibitor (SDHI / FRAC Group 7) providing systemic translaminar protection
- Pyraclostrobin (250 g/L): Strobilurin / QoI inhibitor (FRAC Group 11) blocking spore germination and delivering greening
- Dual-site synergy: Overcomes single-site resistance and protects both foliage and fruit finish
Target Crop Diseases and Approved Registrations
Merivon is registered across high-value temperate and subtropical horticultural crops.
It is especially recognized for controlling apple scab, powdery mildew, and premature leaf fall without marking delicate fruit skins.
- Apple: Unmatched control of apple scab (Venturia inaequalis), powdery mildew, and Alternaria blotch
- Mango and grapes: Controls powdery mildew and anthracnose blossom blight
- Vegetables & tomato: Suppresses early blight and target spot complexes
Application Guidelines, Mixing, and Safety
Dilute the suspension concentrate in clean water under gentle agitation and apply using fine mist sprayers.
Its rapid binding to cuticular waxes provides dependable rainfastness within one to two hours of application.
Observe recommended pre-harvest waiting periods and wear personal protective equipment during mixing.
- Preventive application: Apply ahead of rainfall or humid overcast weather for maximum efficacy
- Canopy penetration: Ensure thorough coverage of inner tree canopies and developing fruits
- Safety apparel: Wear protective clothing, rubber gloves, and an approved dust respirator during mixing
Official source
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Central Insecticides Board & Registration Committee ↗Related on KisanPe
Common questions
What chemicals are in BASF Merivon?
Merivon contains Fluxapyroxad (250 g/L) + Pyraclostrobin (250 g/L) SC in a suspension concentrate formulation.
What two FRAC groups are present in Merivon?
Merivon combines FRAC Group 7 (Fluxapyroxad / SDHI) and FRAC Group 11 (Pyraclostrobin / QoI strobilurin).
Why is Merivon preferred for apple scab control?
It provides powerful preventive spore inhibition alongside curative eradication of incubating fungal hyphae with excellent fruit finish.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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