Active chemical nature and true two-way systemic mobility
Aliette contains Fosetyl-Al 80% WP, an organophosphite fungicide possessing a unique mode of systemic mobility in vascular plant tissues.
Unlike conventional fungicides that only move upward in the xylem, Aliette moves freely in both the xylem and phloem (ambimobile). When sprayed on leaves, it translocates downward to protect roots and collar tissues against subterranean pathogens.
- Active chemical: Fosetyl-Al 80% WP (Fosetyl Aluminium).
- FRAC classification: Group 33 (Phosphonate fungicide).
- Two-way translocation: Systemic mobility moves upward to expanding shoots and downward into roots and trunk bark.
- Host defense stimulation: Directly inhibits fungal sporulation while simultaneously triggering the plant's systemic acquired resistance (SAR) mechanisms.
Target crops and approved disease spectrum
Aliette is registered for controlling destructive oomycete plant pathogens causing root rot, collar rot, gummosis, and downy mildew.
It is a cornerstone crop protection product for citrus, grapes, cardamom, and vegetable nurseries.
- Grapes: Downy mildew (Plasmopara viticola) control.
- Citrus: Gummosis and collar rot (Phytophthora citrophthora) via foliar spray, trunk painting, and soil drenching.
- Cardamom: Azhukal disease (Phytophthora meadii) and capsule rot.
- Vegetable nurseries: Damping-off (Pythium species) in seedling nursery beds.
Application techniques and chemical safety guidelines
Aliette can be applied as a foliar spray, root drench, trunk paint, or nursery bed soak depending on the target pathogen.
Maintain uniform coverage and strictly adhere to container label dilution rates; avoid tank-mixing Aliette with copper-based fungicides or foliar fertilizers containing nitrogen.
- Foliar spray: Uniform canopy wetting during active vegetative growth when systemic sap flow is high.
- Trunk painting: Applying a concentrated paste onto scraped tree bark lesions to cure citrus gummosis.
- Incompatibility warning: Do not mix with copper fungicides or foliar nitrogen fertilizers, which may cause phytotoxic crop injury.
Official source
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Central Insecticides Board & Registration Committee ↗Related on KisanPe
Common questions
What makes Bayer Aliette different from other systemic fungicides?
It possesses true two-way (ambimobile) systemic movement, traveling both upward into leaves and downward into roots through phloem vessels.
Which plant diseases are controlled by Aliette fungicide?
It specifically controls Phytophthora diseases (citrus gummosis, cardamom azhukal), downy mildew in grapes, and nursery damping-off.
Can Aliette be mixed with copper fungicides?
No, Aliette should never be tank-mixed with copper fungicides, as this can release free copper and cause severe leaf scorching.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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