Chemical profile and systemic mode of action
- Active ingredient: Acephate 75% SP (organophosphate class, IRAC Group 1B).
- Mode of action: Inhibits the acetylcholinesterase (AChE) enzyme in insect synapses, leading to lethal nervous system paralysis.
- Deep systemic penetration: Rapidly absorbed through leaf cuticles and translocated throughout the plant sap stream, protecting foliage and shoots.
- Broad-spectrum efficacy: Controls both piercing-sucking insects and foliar-feeding caterpillars simultaneously.
Target insect pests and registered crop applications
- Paddy (Rice): Controls stem borer, green leafhopper (GLH), and rice leaf folder.
- Cotton: Highly effective against aphids, jassids, thrips, and bollworm complexes.
- Chilli: Controls chilli thrips (Scirtothrips dorsalis) and aphids, preventing leaf curling.
- Vegetables: Protects cabbage, tomato, and brinjal against aphids, caterpillars, and shoot borers.
- Pulses and Oilseeds: Controls pod borers, aphids, and leaf-feeding semiloopers.
Spraying methods, application timing, and safety
- Application method: Dissolve soluble powder in clean water and apply using a knapsack sprayer with hollow cone nozzles.
- Spray timing: Spray at the early economic threshold level when pests appear, targeting both upper and lower leaf surfaces.
- Pollinator precaution: Acephate is toxic to honeybees; avoid spraying during active foraging hours in blooming crops.
- Personal protection: Wear chemical-resistant gloves, a face mask, and eye protection; observe the approved CIB&RC pre-harvest interval.
Official source
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Central Insecticides Board & Registration Committee (CIBRC) ↗Related on KisanPe
Common questions
What is the technical ingredient in Asataf insecticide?
Asataf contains Acephate 75% SP, a systemic organophosphate insecticide.
Which insect pests does Asataf control?
It controls sucking pests like aphids, jassids, and thrips, as well as chewing caterpillars like stem borers and leaf folders.
How does Acephate penetrate plant tissue?
It penetrates the leaf cuticle quickly and translocates systemically through the plant sap stream.
Is Asataf safe to spray during peak flowering?
No, avoid spraying during peak daylight flowering hours to protect pollinating honeybees.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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