Lethal by IIL (Malathion 50% EC)
Fungicide · Detailed usage and dosage information for different crops
Slightly toxic — green label triangle (Caution)
Lethal dosage by crop
| Crop | Pest / disease | Method | a.i. per ha | Formulation per ha | Water (L/ha) | Waiting period (days) |
|---|---|---|---|---|---|---|
| Apple | San Jose scale · Insects | Spray | 0.05% | 1500-2000 | 1500-2000 | - |
| Apple | Wooly Aphids · Insects | Spray | 0.05% | 1500-2000 | 1500-2000 | - |
| Brinjal | Mites · Insects | Spray | 750 | 1500 | 500-1000 | - |
| Cabbage | Aphids · Insects | Spray | 750 | 1500 | 500-1000 | - |
| Castor | Jassids · Insects | Spray | 750 | 1500 | 500-1000 | - |
| Castor | Semi Looper · Insects | Spray | 1000 | 2000 | 500-1000 | - |
| Cauliflower | Head Borer · Insects | Spray | 750 | 1500 | 500-1000 | - |
| Grapes | Beetle · Insects | Spray | 500 | 1000 | 1500-2000 | - |
| Mango | Mango Hooper · Insects | Spray | 0.08% | 2250-3000 | 1500-2000 | - |
| Mango | Mealy Bug · Insects | Spray | 0.08% | 2250-3000 | 1500-2000 | - |
| Okra | Aphids · Insects | Spray | 500 | 1000 | 500-1000 | - |
| Okra | Jassids · Insects | Spray | 625 | 1250 | 500-1000 | - |
Read the label. Doses above are the registered label claims (Central Insecticides Board & Registration Committee) for information only. Always follow the product label and your local agriculture officer's advice, wear protective equipment, and observe the waiting period before harvest. Found an error? Report it. See our terms of use.
Product Label & Registration
Lethal by IIL is registered under India's Insecticides Act 1968. The product label specifies the exact active ingredient concentration (Malathion 50% EC), approved crops, application method, safety precautions, and the pre-harvest waiting period.
Always purchase from a licensed dealer and verify the registration on the official CIB&RC database before use.
Other Malathion 50% EC brand products in India
All products below contain Malathion 50% EC as the active ingredient and carry CIB&RC registered label claims.
- ★ This product
LethalIIL 
MILTHIONIIL
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Source: Central Insecticides Board & Registration Committee (CIB&RC), India - official registered label data · View source →. Updated: updated annually or when label claims change · Report an error
Frequently Asked Questions
What crops is Lethal registered for?
Lethal (Malathion 50% EC) is registered for use in Apple, Brinjal, Cabbage, Castor, Cauliflower, Grapes, Mango, Okra as per CIB&RC label claims.
What is the dosage of Lethal?
Dosage of Lethal varies by crop and pest. Always follow the CIB&RC registered label dose for each crop.
Is Lethal safe to use near water bodies?
Always follow the Lethal label instructions regarding buffer zones near water bodies, drainage channels, or ponds. Do not spray during windy conditions or when rain is forecast within 4 hours. Dispose of empty containers as directed on the label — never near water sources.
Where can I buy Lethal by IIL in India?
Lethal is available from licensed pesticide dealers across India. Use the NaPanta app to find verified dealers near you who stock IIL products. Always purchase pesticides from licensed dealers and insist on a bill to ensure authenticity.
What precautions should I take when using Lethal?
Wear personal protective equipment (PPE) — gloves, mask, eye protection, and full-sleeved clothing — when mixing and applying Lethal. Do not eat, drink, or smoke during application. Wash thoroughly after use. Keep children and animals away from the treated area until the spray dries. Observe the pre-harvest waiting period listed on the label.