Chlorpyrifos 20% EC - Dosage & Uses
Insecticide · controls insects · 14 crops · 26 label claims
Highly toxic - yellow label triangle (Poison)
Chlorpyrifos dosage by crop
| Crop | Pest / disease | Method | a.i. per ha | Formulation per ha | Water (L/ha) | Waiting period (days) |
|---|---|---|---|---|---|---|
| Apple | Aphids · Insects | Spray | 0.05% | 3750-5000 | 1500-2000 | - |
| Beans | Black Bug · Insects | Spray | 600 | 3000 | 500-1000 | - |
| Beans | Pod Borer · Insects | Spray | 600 | 3000 | 500-1000 | - |
| Ber | Leaf Hopper · Insects | Spray | 0.03% | 2250-3000 | 1500-2000 | - |
| Brinjal | Fruit Borer · Insects | Spray | 200 | 1000 | 500-1000 | - |
| Brinjal | Shoot Borer · Insects | Spray | 200 | 1000 | 500-1000 | - |
| Cabbage | Diamond Back Moth · Insects | Spray | 400 | 2000 | 500-1000 | - |
| Citrus | Aphids · Insects | Spray | 0.02% | 1500-2000 | 1500-2000 | - |
| Cotton | Aphids · Insects | Spray | 250 | 1250 | 500-1000 | - |
| Cotton | Bollworm · Insects | Spray | 250 | 1250 | 500-1000 | - |
| Cotton | Cutworm · Insects | Spray | 750 | 3750 | - | - |
| Cotton | White Fly · Insects | Spray | 250 | 1250 | 500-1000 | - |
| Gram | Cutworm · Insects | Spray | 500 | 2500 | 500-1000 | - |
| Groundnut | Aphids · Insects | Spray | 200 | 1000 | 500-1000 | - |
| Groundnut | Root Grub · Insects | Spray | 225 | 1125 | 500-1000 | - |
| Mustard | Aphids · Insects | Spray | 100 | 500 | 500-1000 | - |
| Onion | Root Grub · Insects | Spray | 1000 | 5000 | 500-1000 | - |
| Paddy | Gall Midge · Insects | Spray | 250 | 1250 | 500-1000 | - |
| Paddy | Hispa · Insects | Spray | 250 | 1250 | 500-1000 | - |
| Paddy | Leaf Roller · Insects | Spray | 375 | 1875 | 500-1000 | - |
| Paddy | Stem Borer · Insects | Spray | 250 | 1250 | 500-1000 | - |
| Paddy | Whorl Maggot · Insects | Spray | 250 | 1250 | 500-1000 | - |
| Sugarcane | Black Bug · Insects | Spray | 150 | 750 | 500-1000 | - |
| Sugarcane | Early Shoot Borer · Insects | Spray | 250-300 | 1250-1500 | 500-1000 | - |
| Sugarcane | Stalk Borer · Insects | Spray | 250-300 | 1250-1500 | 500-1000 | - |
| Tobacco | Ground Beetle · Insects | Spray | 350 | 1750 | 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.
Crops on the Chlorpyrifos label
- Apple 1 claim
- Beans 2 claims
- Ber 1 claim
- Brinjal 2 claims
- Cabbage 1 claim
- Citrus 1 claim
- Cotton 4 claims
- Gram 1 claim
- Groundnut 2 claims
- Mustard 1 claim
- Onion 1 claim
- Paddy 5 claims
- Sugarcane 3 claims
- Tobacco 1 claim
Chlorpyrifos - Brand Products in India
View all registered brand products containing Chlorpyrifos 20% EC →
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Source: Central Insecticides Board & Registration Committee (CIB&RC) approved label claims, compiled by NaPanta agronomists · View source →. Updated: reviewed with each CIB&RC registration update · Report an error
Frequently Asked Questions
What is Chlorpyrifos 20% EC used for?
Chlorpyrifos 20% EC is a insecticide registered in India for insects control on 14 crops including Apple, Beans, Ber, Brinjal.
What is the dosage of Chlorpyrifos 20% EC per acre?
Label doses are given per hectare in the table above; divide by 2.47 for one acre. The dose differs by crop and target pest, so use the row for your crop and follow the water volume shown.
How toxic is Chlorpyrifos 20% EC?
Chlorpyrifos 20% EC carries the yellow label triangle - highly toxic (Poison). Wear protective clothing, keep away from children and water bodies, and observe the waiting period before harvest.
What is the pre-harvest interval (PHI) for Chlorpyrifos 20% EC?
The pre-harvest interval for Chlorpyrifos 20% EC varies by crop and formulation. Check the PHI column in the dosage table above for each registered crop. PHI is the minimum number of days between the last application and harvest to ensure residues are within safe limits.
How do I dispose of empty pesticide containers safely?
Triple-rinse the container with water and pour rinsate into the spray tank. Puncture the container so it cannot be reused. Do not burn, bury, or throw in water bodies. Return to the dealer or dispose at a designated waste collection point as per CPCB guidelines.
What should I do if a farmer is accidentally exposed to a pesticide?
Move the person away from the exposure area immediately. Remove contaminated clothing. Wash skin with soap and water for 15 minutes. For eye exposure, rinse with clean water for 15 minutes. Go to the nearest hospital and take the pesticide label or container for the doctor to identify the active ingredient.