K-Obiol by ENVU is a professional residual insecticide developed for protecting stored rice, wheat, grains and seeds from damaging storage pests. It can be applied to approved storage surfaces, stacks and gunny bags to help control insects that contaminate stored commodities and reduce their quality.
The product contains Deltamethrin, a synthetic pyrethroid that acts through contact and ingestion. Susceptible insects are controlled when they contact or consume treated material. K-Obiol provides knockdown action together with residual performance, helping protect treated storage areas for an extended period when applied correctly.
Its wettable-powder formulation disperses in water and can be applied using simple, correctly calibrated spraying equipment. ENVU describes K-Obiol as chemically stable, odourless and suitable for grain-storage and warehouse pest-management programmes.
Key Features and Benefits
- Contains Deltamethrin 2.5% WP
- Controls important stored-grain and seed pests
- Suitable for rice and wheat storage protection
- Useful for treating grain and seed stacks
- Suitable for application to approved gunny-bag surfaces
- Can be used on warehouse floors and ceilings
- Provides knockdown and residual action
- Odourless and non-staining formulation
- Good chemical stability
- Requires simple application equipment
- Certified with the BIS ISI Mark
- Supplied in a 1 kg pack
Target Pests
K-Obiol is recommended for controlling stored-product pests including:
- Grain weevils
- Flour beetles
- Biscuit beetles
- Lesser mealworms
- Indian meal moths
- Rice moths
- Tropical warehouse moths
- Other beetles and moths covered by the registered product label
Recommended Areas of Use
K-Obiol may be used in approved locations such as:
- Rice and wheat storage areas
- Grain and seed stacks
- Gunny bags
- Warehouses and godowns
- Warehouse floors
- Warehouse ceilings
- Food-storage and commercial storage facilities
- Other stored-product pest areas permitted on the label
Recommended Dosage for Stored-Grain and Warehouse Treatment
For surface treatment of grain and seed stacks, warehouse floors and ceilings:
Mix 120 g of K-Obiol thoroughly in 3 litres of water.
The prepared spray covers approximately:
100 square metres.
Apply only to the surfaces and stored-product situations specifically permitted by the original ENVU label.
Dosage for Residual Mosquito Treatment
For approved residual treatment against adult mosquitoes:
Dilute 25–50 g of K-Obiol in 1.5–2.5 litres of water.
Apply using suitable spraying or atomising equipment to approved:
- Walls
- Ceilings
- Floors
- Mosquito-resting and hiding locations
The appropriate concentration must be selected according to the original label and authorised public-health programme.
Mode of Action
K-Obiol is a non-systemic insecticide that acts through contact and ingestion. Deltamethrin affects normal nerve transmission in susceptible insects, producing knockdown, paralysis and control.
Mixing and Application Instructions
- Inspect the warehouse or storage area and identify pest activity.
- Read the complete product label before opening the pack.
- Wear the protective equipment specified on the label.
- Measure the required quantity of K-Obiol.
- Mix it first with a small quantity of water to form a smooth premix.
- Add the premix to the spray tank.
- Add the remaining water and agitate thoroughly.
- Apply uniformly to approved stacks, gunny bags or warehouse surfaces.
- Maintain agitation during spraying so the wettable powder remains evenly dispersed.
- Avoid excessive spraying, dripping, runoff and contamination of untreated commodities.
Important Application Precautions
- Do not spray directly on foodstuffs or utensils unless the registered label specifically permits the treatment.
- Remove or securely protect exposed food and food-handling equipment.
- Use only properly calibrated application equipment.
- Do not exceed the recommended dosage.
- Keep people and animals away during application.
- Apply only to pests, commodities and surfaces approved on the original label.
- Wash hands and exposed skin thoroughly with soap and water after spraying.
Safety and Handling
Avoid inhaling the powder or spray mist and prevent contact with the skin, eyes and clothing. Wear suitable protective gloves, goggles, protective clothing and respiratory protection where required. Avoid creating airborne dust while preparing the spray.
K-Obiol is very toxic to aquatic life and may cause temporary burning, tingling or stinging sensations following skin exposure. Prevent the product, diluted spray and equipment wash water from entering drains, ponds, waterways or groundwater.
Store the product securely in its original labelled packaging, away from direct sunlight, extreme temperatures, children, food and animal feed. Do not reuse empty packaging and dispose of unused material according to applicable pesticide-waste regulations.
First Aid
- Inhalation: Move the affected person to fresh air and obtain medical assistance.
- Skin contact: Remove contaminated clothing and wash the skin thoroughly with soap and water.
- Eye contact: Rinse carefully with plenty of clean water for at least 15 minutes.
- Swallowing: Rinse the mouth and seek immediate medical advice.
The ENVU leaflet mentions antihistamines, diazepam and other symptomatic treatment, while the safety data sheet states that there is no specific antidote. Medical treatment must be provided only by a qualified healthcare professional.
Important Notice
K-Obiol is a professional insecticide intended for responsible stored-product, warehouse and approved public-health pest-control applications. Always follow the pests, dosage, treatment surfaces, protective-equipment requirements and safety directions printed on the original ENVU product label. The original label takes priority over general product information.
Sold by: Shree Agro Agencies

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