Active Ingredient and Mode of Action
Dimethoate (IRAC Group 1B) acts as an inhibitor of the acetylcholinesterase (AChE) enzyme in the insect central nervous system. This causes persistent acetylcholine accumulation, resulting in continuous muscle excitation, tremors, paralysis, and insect mortality.
Its strong systemic xylem movement ensures that active chemical translocates to shoot tips and concealed foliage, controlling hidden pests.
- Target pests: Aphids, jassids, thrips, whiteflies, painted bug, and red spider mites.
- Systemic and contact action: Absorbed through plant tissues to kill sucking pests feeding on plant sap while offering surface contact knockdown.
- Major approved crops: Mustard, cotton, pulses, chillies, mango, and onion per CIBRC registration clearances.
Safety Precautions and Resistance Stewardship
Because Dimethoate is an organophosphate compound with characteristic odor, strict operator safety precautions must be enforced during application.
Adhering to legal pre-harvest withholding periods is mandatory to ensure food safety and eliminate violative pesticide residues.
- Wear protective rubber gloves, chemical goggles, apron, and an organic vapor respirator during mixing and spraying.
- Never spray during active flowering to avoid harming honeybees and beneficial pollinators.
- Maintain buffer zones away from open irrigation canals, village ponds, and livestock enclosures.
Official source
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Central Insecticides Board & Registration Committee ↗Related on KisanPe
Common questions
What is the active ingredient in Rogor insecticide?
Rogor contains Dimethoate 30% EC, a broad-spectrum organophosphate insecticide and acaricide.
Which pests are primarily controlled by Rogor?
It is highly effective against sucking pests including aphids, thrips, whiteflies, leafhoppers, and phytophagous mites.
Can Rogor be sprayed during crop blooming?
No, Rogor is toxic to honeybees; avoid spraying during active bloom or when pollinators are actively foraging in the field.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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