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Crop Protection & Pesticides

Evicent Insecticide (Emamectin + Lufenuron): Uses and Dose

Evicent is an advanced broad-spectrum combination insecticide containing Emamectin Benzoate 5% and Lufenuron 40% WG, developed by Syngenta to combat difficult lepidopteran pests. It provides dual action by combining an avermectin nerve poison with an insect growth regulator (IGR) that prevents chitin formation. CIBRC-approved, it is extensively used to control fall armyworm in maize and fruit borers in vegetables.

Last reviewed: 10 November 2026

Active ingredients and dual modes of action

Evicent offers comprehensive caterpillar suppression by striking two vulnerable biological systems in target larvae simultaneously.

Technical breakdown of active constituents:

  • Emamectin Benzoate (5% WG): Avermectin class (IRAC Group 6) that activates chloride channels, causing continuous nerve impulses, paralysis, and rapid feeding cessation.
  • Lufenuron (40% WG): Benzoylurea insect growth regulator (IRAC Group 15) that inhibits chitin biosynthesis, preventing larvae from successfully molting into the next instar.
  • Ovicidal and larvicidal efficacy: Lufenuron exhibits transovarial activity, rendering laid eggs non-viable and eliminating young instars during ecdysis.
  • Translaminar penetration: Penetrates foliage quickly, creating an internal toxic reservoir that resists sunlight degradation and rain wash-off.

Target insect pests and registered crops

Evicent is registered for effective control of devastating chewing and boring insect pests:

Primary target spectrum:

  • Maize (Corn): Fall Armyworm (Spodoptera frugiperda), particularly effective when sprayed into the central whorl.
  • Cotton: American bollworm (Helicoverpa armigera) and Spodoptera litura caterpillars.
  • Cabbage and Cauliflower: Diamondback moth (Plutella xylostella) including populations resistant to conventional chemistries.
  • Chilli and Tomato: Fruit borers and leaf-eating caterpillars.

Dosage instructions and spraying safety

Apply Evicent at early egg hatch or first instar larval emergence for optimal pest suppression. Use recommended label dosage per acre in adequate water volume (typically 150 to 200 litres per acre) with a knapsack or tractor-mounted sprayer. Always wear protective masks, goggles, and gloves, and strictly adhere to official harvest waiting periods.

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 (CIBRC) ↗

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Common questions

What are the active chemical ingredients in Evicent insecticide?

Evicent contains Emamectin Benzoate 5% plus Lufenuron 40% WG.

How does Evicent eliminate resistant fall armyworm in maize?

It combines an avermectin that paralyzes larvae with a chitin synthesis inhibitor that prevents molting and kills eggs.

What is the recommended sprayer setup for maize fall armyworm?

Use a knapsack sprayer directed straight into the central leaf whorls where young larvae shelter and feed.

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

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