Chemical Technical Profile and Dual Modes of Action
Bayer Nativo is formulated as a water-dispersible granule (WG) containing two distinct chemical classes.
Trifloxystrobin (25% w/w) is a strobilurin/QoI fungicide (FRAC Group 11) that binds to leaf cuticular waxes, redistributing over time and inhibiting mitochondrial respiration at Complex III.
Tebuconazole (50% w/w) is a triazole/DMI fungicide (FRAC Group 3) that translocates acropetally through plant xylem, inhibiting ergosterol biosynthesis to arrest established fungal mycelia.
- Technical active 1: Trifloxystrobin 25% w/w (Strobilurin / QoI respiration inhibitor)
- Technical active 2: Tebuconazole 50% w/w (Triazole / DMI ergosterol biosynthesis inhibitor)
- Formulation type: Water Dispersible Granules (WG) that dissolve cleanly in spray water
Disease Control Spectrum and Physiological Benefits
The combination is registered for managing high-threat fungal complexes across rice, tomato, chili, mango, and grapevine.
In rice crops, spraying at boot-leaf and heading stages controls both sheath blight and panicle blast, delivering cleaner grains and higher milling yield.
- Paddy: Controls neck blast, panicle blast, and sheath blight simultaneously
- Horticulture: Manages powdery mildew, anthracnose, and early blight
- Grain luster effect: Field studies demonstrate improved grain shine, cleaner panicles, and reduced milling breakage
Application Guidelines, Mixing, and Safety
Dissolve water-dispersible granules in clean water under gentle stirring and apply with high-volume knapsack sprayers.
Trifloxystrobin's mesostemic binding provides dependable rainfastness within two hours of application.
Observe recommended pre-harvest waiting periods and store containers in dry, secure sheds.
- Water volume: Use adequate spray volume per acre to coat both upper and lower canopy leaves
- Rainfastness: Mesostemic binding ensures high rain resistance within two hours of application
- Personal protection: Wear protective rubber gloves, mask, and safety goggles during preparation
Official source
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Central Insecticides Board & Registration Committee ↗Related on KisanPe
Common questions
What is the technical chemical name of Bayer Nativo?
Bayer Nativo contains Tebuconazole 50% + Trifloxystrobin 25% WG in a water-dispersible granule formulation.
What are the two FRAC groups represented in Nativo?
Nativo represents FRAC Group 11 (Trifloxystrobin / QoI strobilurin) and FRAC Group 3 (Tebuconazole / DMI triazole).
Why is Nativo effective against rice panicle blast?
The systemic triazole cures internal fungal hyphae while the strobilurin forms a protective barrier on panicle nodes against incoming spores.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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