Chemical Class and Nicotinic Receptor Antagonism
Confidor contains Imidacloprid, the benchmark molecule in the neonicotinoid chemical class. It acts as an agonist on postsynaptic nicotinic acetylcholine receptors (nAChRs) in the insect central nervous system.
Binding permanently to these receptor sites disrupts normal neuro-transmission, causing uninterrupted nerve firing, hyperexcitation, paralysis, and swift mortality in phloem-feeding sucking pests.
- Active ingredient: Imidacloprid 17.8 percent w/w SL (or 200 g/L SL)
- Insecticide classification: IRAC Group 4A (Neonicotinoids)
- Systemic mobility: Rapid xylem acropetal translocation protecting newly emerging leaves
- Action spectrum: Sucking insect complexes with piercing-sucking mouthparts
CIBRC Approved Target Crops and Pests
The Central Insecticides Board registers Imidacloprid 17.8% SL for broad-spectrum sucking pest control across commercial, horticultural, and cereal crops.
Thanks to systemic xylem mobility, Confidor can be applied as a foliar spray, root drench, seed dressing, or seedling dip, protecting crops from early vegetative establishment.
- Cotton: Aphids (*Aphis gossypii*), jassids (*Amrasca biguttula*), and thrips
- Paddy / Rice: Brown planthopper (BPH) and green leafhopper (GLH)
- Chilli: Chilli thrips (*Scirtothrips dorsalis*) causing leaf curl symptoms
- Sugarcane: Termite control via set-treatment or furrow spray during planting
Resistance Stewardship and Pollinator Protection
Continuous usage of neonicotinoids across successive crop flushes can lead to metabolic resistance in whiteflies and planthoppers. Farmers must rotate with alternate modes of action like flonicamid or pymetrozine.
Neonicotinoids pose severe toxicity hazards to honeybees and other insect pollinators. Strict label directions prohibit foliar application when crops or surrounding border weeds are in active flowering bloom.
- Pollinator safety: Never apply during crop flowering to avoid harming foraging honeybees
- IRAC rotation: Alternate with Group 9B (Pymetrozine) or Group 29 (Flonicamid) chemistry
- Drift management: Avoid spraying on windy afternoons to prevent off-target drift to bee flora
- Safety gear: Wear chemical-resistant gloves, protective glasses, and a breathing mask
Official source
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Central Insecticides Board and Registration Committee (CIBRC) ↗Related on KisanPe
Common questions
How does Confidor protect new growth that emerges after spraying?
Imidacloprid translocates acropetally through the plant xylem vascular system, moving upward into newly developing shoots and young leaf tissue.
Why is Confidor restricted during crop flowering periods?
Neonicotinoids are toxic to honeybees. Applying them during bloom can contaminate pollen and nectar, causing acute and sub-lethal harm to bee colonies.
What is the Pre-Harvest Interval (PHI) for Confidor on vegetables?
PHI varies by crop under CIBRC standards (typically 7 to 21 days for vegetables); applicators must consult the specific container label before harvest.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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