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General Agriculture

Syngenta Isabion: Amino Acid Biostimulant Spray Guide

Syngenta Isabion is a premier biological growth promoter and biostimulant formulated with enzymatically hydrolyzed natural amino acids and short-chain peptides. It stimulates vegetative growth, improves flowering, increases fruit set, and helps crops recover rapidly from abiotic environmental stresses.

Last reviewed: 10 November 2026

Active composition and nutritional mode of action

Isabion is produced through controlled enzymatic hydrolysis of natural animal-derived proteins, yielding an optimal balance of pure free L-amino acids and short-chain peptides.

Unlike mineral fertilizers that require extensive metabolic energy to convert into plant proteins, the free amino acids in Isabion are absorbed immediately through stomata and leaf cuticles, fueling cell division and protein synthesis directly.

  • Composition: Balanced formulation of free L-amino acids, short-chain peptides, and organic nitrogen.
  • Enzymatic purity: High concentration of biologically active L-isomers directly recognized and assimilated by plant cells.
  • Stress recovery: Mitigates adverse effects of drought, frost, heat waves, hail injury, and pesticide shock.

Target crops and optimal application stages

Isabion is applied as a foliar spray or through drip fertigation across a wide variety of field crops, vegetables, pulses, and commercial fruit orchards.

Spraying during high-energy developmental phases optimizes vegetative branching, uniform flowering, and fruit enlargement.

  • Vegetables (Tomato, Chilli, Brinjal): Promotes continuous flowering, enhances pollination, and reduces flower and fruit drop.
  • Cotton: Applied during square initiation and flowering to encourage sympodial branch development and boll retention.
  • Paddy & Wheat: Sprayed at tillering and panicle emergence to enhance effective tillers and grain weight.
  • Fruit orchards (Grapes, Pomegranate, Citrus): Improves fruit sizing, uniform skin finish, brix sweetness, and storage life.

Foliar spray dilution and compatibility guidelines

Apply Isabion as a fine foliar spray during early morning or late evening hours for maximum leaf absorption without rapid evaporation.

It exhibits broad physical tank-mix compatibility with common insecticides, fungicides, and water-soluble fertilizers; avoid mixing with strongly alkaline solutions.

  • Dilution rate: Mix at label-recommended concentrations in clean water per acre for foliar spraying.
  • Drip fertigation: Can be injected through drip irrigation systems to stimulate root branching and rhizosphere activity.
  • Precaution: Avoid spraying during intense midday heat or when heavy rainfall is expected within a few hours.

Official source

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Common questions

What is Syngenta Isabion used for in agriculture?

Isabion is an amino acid biostimulant used to stimulate plant growth, increase flowering, reduce flower drop, and alleviate weather stress.

What are the primary active ingredients in Isabion?

It contains pure, biologically active free L-amino acids and short-chain peptides derived from enzymatic protein hydrolysis.

Can Isabion be mixed with agricultural pesticides?

Yes, Isabion is physically compatible with most standard fungicides, insecticides, and micronutrients; avoid mixing with strongly alkaline sprays.

General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.

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