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Quinalphos 25% EC is a broad-spectrum organophosphate insecticide that works through contact and stomach action to control major chewing and sucking pests in field crops. The EC (Emulsifiable Concentrate) formulation ensures fast absorption, uniform spray coverage, and quick knockdown of target pests.
Krishikranti Alphosides Quinalphos 25% EC is trusted by farmers across India for its reliable performance against stem borers, leaf folders, bollworms, and aphids — especially in paddy, cotton, and sugarcane.
Quinalphos belongs to the organophosphate class of insecticides. It controls pests through two simultaneous pathways:
Contact Action: Kills pests directly on contact with the spray fast knockdown of active pest populations on the crop surface.
Stomach Action: When pests feed on treated plants, quinalphos enters their digestive system and inhibits the cholinesterase enzyme — disrupting the nervous system and causing rapid pest death.
This dual-mode action makes Quinalphos 25% EC effective even against hidden pests inside plant tissue — like stem borers and leaf folders that are difficult to reach with contact-only insecticides.
| Pest Category | Target Pests |
|---|---|
| Boring Pests | Stem Borer, Leaf Folder, Early Shoot Borer, Pink Bollworm, American Bollworm |
| Sucking Pests | Aphids, Thrips, Whitefly, Jassids, Mealybugs |
| Chewing Pests | Pod Borer, Leaf Eating Caterpillar, Army Worm, Cut Worm |
| Soil Pests | White Grubs, Root Grubs (soil drench application) |
| Crop Category | Crops | Key Pest Controlled |
|---|---|---|
| Cereals | Paddy, Wheat, Maize | Stem Borer, Leaf Folder, Army Worm |
| Cash Crops | Cotton, Sugarcane | Bollworm, Early Shoot Borer, Aphids |
| Oilseeds | Groundnut, Sunflower, Mustard | Aphids, Thrips, Pod Borer |
| Vegetables | Tomato, Brinjal, Chilli, Okra | Whitefly, Aphids, Fruit Borer |
| Pulses | Soybean, Chickpea, Moong | Pod Borer, Leaf Eating Caterpillar |
| Plantation | Tea, Coffee | Aphids, Thrips, Caterpillars |
| Detail | Recommendation |
|---|---|
| General Dose | 1.5 – 2 ml per litre of water |
| Per Acre Dose | 400 – 600 ml per acre |
| Water Volume | 200 – 250 litres per acre |
| Spray Method | Knapsack or power sprayer — uniform coverage |
| Best Timing | Early morning or evening |
| Repeat Interval | Every 10–15 days based on pest pressure |
| Crop | Pest | Dose per Litre |
|---|---|---|
| Paddy | Stem Borer, Leaf Folder | 2 ml |
| Cotton | Bollworm, Aphids | 2 ml |
| Sugarcane | Early Shoot Borer | 2 ml |
| Groundnut | Aphids, Thrips | 1.5 ml |
| Vegetables | Whitefly, Fruit Borer | 1.5 ml |
⚠️ Important: Do not mix with alkaline compounds or copper-based fungicides. Observe pre-harvest interval (PHI) of 14–21 days depending on crop. Wear protective gear during application.
Quinalphos 25% EC controls stem borers, leaf folders, bollworms, aphids, thrips, whitefly, pod borers, and leaf eating caterpillars in paddy, cotton, sugarcane, and vegetables.
The recommended dose is 1.5 to 2 ml per litre of water. Per acre, use 400 to 600 ml in 200 to 250 litres of water.
Krishikranti Alphosides Quinalphos 25% EC is available online at Krishibhandar.com with free delivery across India. Check the product page for current price and pack sizes.
Yes. Quinalphos 25% EC is one of the most effective insecticides for stem borer control in paddy. Apply 2 ml per litre at first sign of pest infestation. Repeat after 10–15 days if pest pressure continues.
Yes. It is effective against pink bollworm and American bollworm in cotton. Apply at 2 ml per litre during early boll formation stage for best results.
Visible pest knockdown begins within 24–48 hours due to its contact action. Full effect including stomach-action kill is seen within 3–5 days.
The pre-harvest interval is 14 to 21 days depending on the crop. Do not spray within this period before harvest.
It is compatible with most insecticides and fungicides except alkaline compounds. Always do a jar test before tank mixing. Avoid mixing with copper-based products.
