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Crop Protection & Pesticides

Alanto Insecticide: Thiacloprid 21.7% SC Uses, Pests & Safety

Alanto is a systemic neonicotinoid insecticide manufactured by Bayer CropScience, formulated with Thiacloprid 21.7% SC. It provides control of piercing-sucking insect pests and select chewing insects across cotton, chilli, tea, and vegetable crops.

Last reviewed: 10 November 2026

Active chemical class and mode of insecticidal action

Alanto contains Thiacloprid 21.7% SC (suspension concentrate), a systemic compound belonging to the neonicotinoid chemical class.

It acts as an agonist on nicotinic acetylcholine receptors (nAChR) within insect central nervous systems. By binding to these receptors, Thiacloprid causes continuous nerve firing, muscle tremors, feeding cessation, and death.

  • Active chemical: Thiacloprid 21.7% SC.
  • Mode of action: Systemic contact and stomach action with translaminar foliar penetration.
  • Xylem mobility: Absorbed rapidly by green foliage and translocated acropetally to protect newly expanding leaves and shoots.

Target crops and approved sucking pest spectrum

Alanto is registered for controlling piercing-sucking insect complexes and select coleopteran pests in commercial agriculture.

It is widely used by cotton, vegetable, and plantation growers to control pests that have developed resistance to organophosphates.

  • Cotton: Aphids, jassids, and thrips.
  • Chilli: Thrips (Scirtothrips dorsalis) causing leaf curling and upward cupping.
  • Tea: Tea mosquito bug (Helopeltis theivora) causing angular lesions on young flushes.
  • Vegetables (Tomato, Brinjal): Whiteflies, jassids, and leafhoppers transmitting viral diseases.

Application timing, dilution, and safety directions

Initiate spraying upon detecting initial pest sightings or when sucking insect populations approach economic threshold levels.

The water-based suspension concentrate formulation mixes easily in clean water and provides good rainfastness once dried on the foliage.

  • Foliar coverage: Spray thoroughly to wet both upper and lower leaf surfaces where sucking pests feed.
  • Label compliance: Adhere strictly to the recommended water volume and dosage on the container label.
  • Protective measures: Wear protective eyewear, chemical-resistant gloves, and mask; respect the prescribed pre-harvest interval before crop harvest.

Official source

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Central Insecticides Board & Registration Committee ↗

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Common questions

What is the active ingredient in Bayer Alanto insecticide?

Alanto contains Thiacloprid 21.7% SC, a systemic neonicotinoid insecticide.

Which sucking insect pests are controlled by Alanto?

It effectively controls thrips, aphids, jassids, whiteflies, and tea mosquito bugs across registered crops.

How does Thiacloprid work within the plant system?

It is absorbed through foliar tissues and moves upward via the xylem, protecting existing leaves and new vegetative growth.

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

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