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Crop Protection & Pesticides

Lamron Insecticide: Lambda-Cyhalothrin Crop Protection

Lamron is a broad-spectrum synthetic pyrethroid insecticide containing Lambda-Cyhalothrin formulated to control chewing caterpillars, borers, and sap-sucking pests. It delivers rapid contact and stomach knockdown with strong behavioral repellency across agricultural crops.

Last reviewed: 11 November 2026

Active Ingredient Profile and Neurotoxic Action

Lamron features Lambda-Cyhalothrin, a high-potency Type II synthetic pyrethroid.

It acts on voltage-gated sodium channels in insect nerve axonic membranes, preventing channel deactivation and causing repetitive nerve firing, rapid paralysis, feeding cessation, and death.

It also displays strong behavioral anti-feedant and repellent properties, discouraging insect pests from laying eggs on treated foliage.

  • Formulation: High-grade Emulsifiable Concentrate (EC) or Capsule Suspension (CS)
  • Fast knockdown: Pests cease crop feeding within minutes and drop off foliage rapidly
  • Multi-action profile: Delivers contact toxicity, ingestion action, and foliar repellency

Target Pests and Approved Crop Applications

Lamron is registered across cotton, paddy, pulses, oilseeds, and commercial vegetable crops.

Foliar applications should be initiated when pest scouting reveals insect densities reaching designated economic threshold levels.

  • Cotton: Controls spotted bollworm, pink bollworm, and thrips complexes
  • Paddy: Manages yellow stem borer, leaf folder, and green leafhopper outbreaks
  • Vegetables and chilies: Suppresses shoot and fruit borers, diamondback moths, and thrips

Spraying Instructions, Pollinator Safety, and Precautions

Apply using a well-calibrated knapsack sprayer equipped with hollow cone nozzles for fine foliar atomization.

Because synthetic pyrethroids are toxic to bees and fish, avoid spraying during crop flowering hours or near aquaculture ponds.

Applicators should wear personal protective equipment to prevent skin paresthesia.

  • Nozzle type: Hollow cone nozzle ensures complete coverage of upper and lower leaf surfaces
  • Pollinator safety: Avoid application during crop bloom when honeybees are actively foraging
  • Personal protection: Wear protective rubber gloves, mask, and safety goggles during handling

Official source

Check the latest rules, benefits and forms here. KisanPe is an independent platform and is not a government website.

Central Insecticides Board & Registration Committee ↗

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Common questions

What is the active chemical in Lamron insecticide?

Lamron contains Lambda-Cyhalothrin, a broad-spectrum synthetic pyrethroid insecticide.

Does Lamron control leaf folder in paddy crops?

Yes, it is registered and widely used to control yellow stem borer and leaf folder in paddy fields.

Why should Lamron not be sprayed during crop blooming in vegetables?

Synthetic pyrethroids are highly toxic to honeybees; avoid spraying during flowering hours to protect essential crop pollinators.

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

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