Active ingredient and biochemical mode of action
Flubendiamide operates through a targeted biochemical pathway distinct from conventional organophosphates and pyrethroids.
Mode of action details:
- Active ingredient: Flubendiamide 39.35% SC (480 g/L SC).
- Receptor modulation: Activates ryanodine-sensitive intracellular calcium release channels in insect muscle cells, causing massive release of stored calcium ions.
- Paralysis and cessation of feeding: Target larvae stop feeding within minutes of ingestion or contact, followed by muscle contraction, paralysis, and death.
- Translaminar activity: Penetrates leaf surfaces, protecting both sides of the foliage against leaf-chewing larvae.
Approved crops and target caterpillar pests
Flubendiamide is registered under CIBRC for controlling major economic pests.
Key target pests:
- Cotton: Controls American bollworm (Helicoverpa armigera) and spotted bollworm larvae.
- Rice: Highly effective against yellow stem borer and leaf folder caterpillars.
- Vegetables (Tomato, Chilli, Cabbage): Controls fruit borers, diamondback moth (DBM), and Spodoptera litura.
- Pulses (Pigeon pea, Chickpea): Controls pod borer complexes at early flowering and pod formation.
- Follow registered label directions regarding dilution (typically 0.3 to 0.5 ml per litre of water) to avoid overdosing.
Integrated pest management and safety practices
Flubendiamide offers high selectivity with minimal toxicity to adult beneficial predators and pollinators once dried. Applicators must wear standard personal protective equipment (PPE) including protective goggles, nitrile gloves, and masks. Observe registered pre-harvest intervals (PHI) before picking produce.
Official source
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Central Insecticides Board & Registration Committee (CIBRC) ↗Related on KisanPe
Common questions
What is the active ingredient in Fame insecticide?
The active ingredient is Flubendiamide 39.35% SC, belonging to the diamide insecticide class.
How does Flubendiamide cause insect mortality?
It targets insect ryanodine receptors, causing unregulated internal calcium release that leads to immediate feeding cessation, muscle paralysis, and death.
Which major caterpillar pest does it control in tomato and chilli?
It provides exceptional control against fruit borers (Helicoverpa armigera) and armyworms feeding on flowers and young fruits.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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