Dual Chemical Modes of Action
Priaxor combines a succinate dehydrogenase inhibitor (SDHI, FRAC Group 7) with a QoI strobilurin (FRAC Group 11). This dual-action formulation inhibits mitochondrial respiration in fungal cells at two distinct biological complexes, halting spore germination and fungal mycelial growth.
Its active ingredients redistribute continuously across leaf tissues, protecting newly expanding foliage between spray intervals.
- Soybean: Asian soybean rust, frogeye leaf spot, anthracnose, and Rhizoctonia aerial blight.
- Groundnut: Early leaf spot (Cercospora arachidicola), late leaf spot, and rust.
- Cotton: Alternaria leaf spot, Corynespora target spot, and grey mildew.
- Physiological benefits: Enhances nitrate assimilation and reduces ethylene accumulation, maintaining greener canopies.
Preventative Spraying and Safe Handling
For optimum crop defense, Priaxor should be applied preventatively at the onset of favorable disease conditions or upon initial visual symptom detection.
Rotating with fungicides having alternative modes of action prevents the emergence of resistant pathogen populations.
- Ensure thorough canopy coverage using clean spray water and calibrated hollow cone nozzles.
- Observe the manufacturer pre-harvest interval (PHI) and label dilution guidelines before harvest.
- Wear personal protective equipment including gloves, mask, and goggles during spray mixing and field application.
Official source
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Central Insecticides Board & Registration Committee ↗Related on KisanPe
Common questions
What active ingredients are present in Priaxor?
Priaxor contains Fluxapyroxad (Xemium carboxamide) and Pyraclostrobin (strobilurin), providing dual-mode fungicidal defense.
Which major crops benefit most from Priaxor application?
It is widely used on soybean, groundnut, cotton, pulses, and selected horticultural crops to control foliar blights, leaf spots, and rusts.
Does Priaxor offer curative action against existing fungal infections?
Yes, Priaxor offers both preventative protective barriers and curative systemic action, although preventative application yields the highest yield protection.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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