Chemical Class and Two-Way Systemic Translocation
Aliette belongs to the phosphonate chemical group (FRAC Group 33). Its active ingredient, Fosetyl-Aluminium, is rapidly absorbed by foliar tissues or root surfaces and transported bi-directionally through both the xylem (upward) and phloem (downward) vascular networks.
This ambimobile movement ensures comprehensive systemic protection, defending active terminal buds, developing fruits, and root systems against soil-borne oomycete water molds.
- Ambimobile Movement: Translocates up and down through plant vascular bundles to reach roots, shoots, and crowns.
- Direct and Indirect Mode: Directly inhibits fungal spore germination and penetration while triggering the plant's natural systemic acquired resistance (SAR).
- Formulation Integrity: Wettable Powder (80% WP) that forms an even foliar suspension without settling rapidly.
Target Pathogens and Crop Applications
Aliette is officially registered under CIBRC guidelines for managing diseases caused by Phytophthora, Pythium, and Plasmopara species. It is widely applied across grapes, cardamom, black pepper, citrus, and vegetable nurseries.
It prevents root rot and damping-off in seedling nurseries and manages Phytophthora foot rot in plantation crops such as black pepper and citrus gummosis.
- Grapes Downy Mildew: Protects grape bunches and tender shoots against Plasmopara viticola during humid weather.
- Cardamom & Black Pepper: Controls 'Azhukal' disease and foot rot under heavy southwestern monsoon rainfall conditions.
- Citrus Gummosis: Prevents stem cankers and trunk collar rot caused by soil-borne Phytophthora pathogens.
Application Methods and Fungicide Stewardship
Aliette can be applied as a preventive foliar spray, a root drench around the collar zone, or as a seed and seedling dip before transplanting. Apply under calm morning conditions before disease establishes epidemically.
Do not mix Aliette with copper-based fungicides, foliar fertilizers containing nitrogen, or wetting agents, as tank-mixing can cause phytotoxicity and leaf burning due to acidic pH shifts.
- Foliar and Drench Use: Suitable for canopy spray as well as direct basin soil drenching for root defense.
- Tank Mix Precautions: Incompatible with copper products and alkaline foliar micronutrients.
- Pre-Harvest Interval (PHI): Observe statutory waiting periods specified on the product label prior to harvesting produce.
Official source
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Central Insecticides Board & Registration Committee (CIBRC) ↗Related on KisanPe
Common questions
What is the technical chemical in Aliette fungicide?
Aliette contains Fosetyl-Al (Fosetyl-Aluminium) 80% WP, an organophosphonate systemic fungicide.
Can Aliette be mixed with copper fungicides like Blue Copper?
No, Aliette is chemically incompatible with copper-based fungicides and foliar nitrogen fertilizers. Tank mixing them can lead to crop phytotoxicity.
How does Aliette trigger plant immune defense?
In addition to directly suppressing fungal hyphae, it stimulates the plant's systemic acquired resistance (SAR), prompting natural phytoalexin production against pathogens.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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