Active ingredient and neurotoxic mode of action
- Contains Fipronil, categorized under IRAC Group 2B (GABA-gated chloride channel antagonists).
- Disrupts central nervous system activity in insects by blocking GABA receptors, causing neural hyperexcitation, paralysis, and death.
- Exhibits systemic xylem translocation and translaminar penetration, protecting both treated plant parts and new vegetative shoots.
Target pests and labeled crop applications
- Paddy (rice): Controls yellow stem borer (Scirpophaga incertulas) and rice leaf folder; applied as 0.3% GR granules during tillering or 5% SC foliar spray.
- Sugarcane: Suppresses early shoot borer (Chilo infuscatellus), root borer, and subterranean termites.
- Chilli and onion: Effectively manages thrips, preventing leaf curl and virus transmission.
- Cabbage: Controls diamondback moth (Plutella xylostella) larvae.
Application methods and safety precautions
- Granular application (0.3% GR): Broadcast uniformly in paddy with standing water or apply along sugarcane planting furrows.
- Foliar spray (5% SC): Dilute at CIBRC approved label dosages in clean water, ensuring thorough canopy wetting with hollow-cone nozzles.
- Observe mandated pre-harvest intervals (PHI) and wear protective gloves and masks during handling and application.
Official source
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Central Insecticides Board & Registration Committee (CIBRC) ↗Related on KisanPe
Common questions
What is the active ingredient in Regent insecticide?
Regent contains Fipronil, available as 5% SC (liquid) and 0.3% GR (granules).
How does Fipronil kill insect pests?
It blocks GABA-gated chloride channels in insect nerves, causing fatal nervous system hyperexcitation.
Which major pests does Regent control in rice?
It controls yellow stem borer and rice leaf folder in paddy crops.
Can Regent be used for termite control in sugarcane?
Yes, Fipronil 0.3% GR is widely applied in sugarcane furrows to prevent termite and early shoot borer damage.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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