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1. Product Overview:
Profenophos 50% EC (Emulsifiable Concentrate) is a broad-spectrum, organophosphate insecticide and acaricide widely used for the control of chewing, sucking, and mite pests in various crops. It acts as a contact and stomach poison, providing quick knockdown action and long-lasting residual control. Profenophos is highly effective against caterpillars, aphids, jassids, thrips, whiteflies, and mites, making it a versatile solution for integrated pest management (IPM) programs.
The EC formulation ensures easy dispersion, enhanced coverage, and penetration, making it suitable for foliar applications.
2. Mode of Action:
Profenophos works through dual mechanisms, making it effective against a variety of pests:
Contact and stomach poison:
On contact or ingestion, Profenophos disrupts the nervous system of pests.
Cholinesterase inhibition:
It inhibits the enzyme acetylcholinesterase (AChE), which is essential for proper nerve function.
This results in the accumulation of acetylcholine, leading to continuous nerve impulses, causing paralysis and eventual death of the pest.
Ovicidal and acaricidal properties:
Profenophos also exhibits ovicidal action, preventing egg hatching.
It effectively controls both adult and immature stages of mites.
Residual activity:
Provides long-lasting protection by remaining active on the crop surface for an extended period.
3. Target Pests:
Profenophos 50% EC effectively controls a wide range of sucking, chewing, and mite pests, including:
Sucking pests:
Aphids (Aphididae)
Jassids (Empoasca spp.)
Whiteflies (Bemisia tabaci)
Thrips (Thripidae)
Chewing pests:
Caterpillars (Spodoptera litura, Helicoverpa armigera)
Leaf-eating beetles (Coleoptera)
Bollworms (Helicoverpa spp.)
Mites:
Red spider mites (Tetranychus urticae)
Yellow mites (Polyphagotarsonemus latus)
Broad mites (Tarsonemidae)
Leaf miners
Diamondback moths
Leaf folders
✅ Ovicidal and acaricidal action:
Profenophos controls all life stages of mites (eggs, nymphs, and adults), making it highly effective for mite management in various crops.
4. Crops:
Profenophos 50% EC is widely used in agriculture and horticulture to protect various crops, including:
Field crops:
Cotton: Controls bollworms, aphids, jassids, and whiteflies.
Rice: Effective against stem borers, leaf folders, and brown planthoppers.
Maize and corn: Protects against shoot borers and armyworms.
Sugarcane: Controls top borers and early shoot borers.
Vegetables:
Tomato: Manages fruit borers, leaf miners, and thrips.
Brinjal: Controls shoot and fruit borers.
Chilli: Effective against mites and thrips.
Okra: Protects against jassids and mites.
Cabbage and cauliflower: Controls diamondback moths and caterpillars.
Fruits:
Grapes: Effective against mealybugs, mites, and thrips.
Citrus (orange, lemon): Controls mites, aphids, and whiteflies.
Mango: Manages hoppers and mealybugs.
Pulses and oilseeds:
Groundnut and soybean: Controls thrips, leafhoppers, and caterpillars.
Tea and coffee:
Effective against red spider mites, thrips, and leafhoppers.
Plantation crops:
Used in rubber, coconut, and areca nut plantations for mite control.
Ornamental plants:
Protects against mites and sucking pests.
5. Application and Dosage:
Foliar Spray:
Field crops: 1.0–2.0 ml per liter of water.
Fruits and vegetables: 1.5–2.5 ml per liter of water.
Plantation crops: 2.0–3.0 ml per liter of water.
Frequency:
Apply at the first sign of pest infestation.
Repeat applications after 10–15 days, if necessary.
Method:
Use a high-volume sprayer for thorough leaf coverage.
Spray evenly on both sides of the leaves, focusing on the undersides where mites and pests hide.
Pre-Harvest Interval (PHI):
Field crops: 21 days.
Vegetables: 7–10 days.
Recommended spray volume:
Field crops: 500–1000 liters of spray solution per hectare.
Orchards and plantations: 1000–1500 liters of spray solution per hectare.
6. Benefits:
Broad-spectrum control: Effectively controls both sucking and chewing pests, including mites.
Ovicidal and acaricidal action: Kills eggs, larvae, and adults, preventing reinfestation.
Residual activity: Provides long-lasting protection, reducing the need for frequent applications.
Fast knockdown effect: Quickly paralyzes and kills pests after application.
Versatility: Suitable for a wide range of crops and pests, including field, horticultural, and plantation crops.
Improved crop health: Reduces pest damage, promoting healthier crop growth and better yields.
Rainfastness: Remains effective even after light rainfall.
Cost-effective: Provides prolonged protection with fewer applications, reducing overall costs.
7. Precautions and Safety:
Protective gear: Wear gloves, masks, and goggles during handling and application.
Environmental protection: Avoid application near water bodies, as it is toxic to aquatic life.
Pollinator safety: Do not apply during flowering stages to protect bees and other pollinators.
Storage: Store in a cool, dry place away from food and animal feed.
Disposal: Dispose of empty containers responsibly.
Pre-harvest interval (PHI): Follow the recommended PHI to prevent pesticide residues.
8. Environmental Impact:
Toxicity:
Highly toxic to fish, bees, and aquatic organisms.
Persistence:
Profenophos degrades slowly, providing long residual activity.
Pollinator safety:
Avoid spraying during bloom periods to protect bees.
Low leaching potential:
Low risk of groundwater contamination when applied properly.
✅ Conclusion:
Profenophos 50% EC is a broad-spectrum organophosphate insecticide and acaricide with contact, stomach, and ovicidal action, making it highly effective against sucking, chewing, and mite pests. Its long-lasting residual protection, quick knockdown effect, and versatility across multiple crops make it a valuable tool for agricultural pest management. When used responsibly, it promotes healthier crops, higher yields, and improved agricultural productivity.
