Alachlor 50% EC - Dosage & Uses
Herbicide · controls weeds · 4 crops · 28 label claims
Moderately toxic - blue label triangle (Danger)
Alachlor dosage by crop
| Crop | Pest / disease | Method | a.i. per ha | Formulation per ha | Water (L/ha) | Waiting period (days) |
|---|---|---|---|---|---|---|
| Cotton | Digera Arvensis · Weeds | Spray | 2-2.5 kg | 4-5 ltrs. | 250-500 | 210-240 |
| Cotton | Echinochloa Colonum · Weeds | Spray | 2-2.5 kg | 4-5 ltrs. | 250-500 | 210-240 |
| Cotton | Eragrostis Major · Weeds | Spray | 2-2.5 kg | 4-5 ltrs. | 250-500 | 210-240 |
| Cotton | Euphorbia Hirta · Weeds | Spray | 2-2.5 kg | 4-5 ltrs. | 250-500 | 210-240 |
| Cotton | Flaveria Australasica · Weeds | Spray | 2-2.5 kg | 4-5 ltrs. | 250-500 | 210-240 |
| Cotton | Gynandropsis Pentaphylla · Weeds | Spray | 2-2.5 kg | 4-5 ltrs. | 250-500 | 210-240 |
| Cotton | Phyllanthus Niruri · Weeds | Spray | 2-2.5 kg | 4-5 ltrs. | 250-500 | 210-240 |
| Cotton | Portulaca Oleracea · Weeds | Spray | 2-2.5 kg | 4-5 ltrs. | 250-500 | 210-240 |
| Cotton | Trianthema Portulacastrum · Weeds | Spray | 2-2.5 kg | 4-5 ltrs. | 250-500 | 210-240 |
| Groundnut | Acanthospermum Hispidum · Weeds | Spray | 1.5-2.5 kg | 3-5 ltrs. | 250-500 | 120-150 |
| Groundnut | Digitaria Spp · Weeds | Spray | 2.5 kg | 5 ltrs. | 250-500 | 120-150 |
| Groundnut | Echinochloa Colonum · Weeds | Spray | 2.5 kg | 5 ltrs. | 250-500 | 120-150 |
| Groundnut | Euphorbia Hirta · Weeds | Spray | 2.5 kg | 5 ltrs. | 250-500 | 120-150 |
| Groundnut | Flaveria Australasica · Weeds | Spray | 1.5-2.5 kg | 3-5 ltrs. | 250-500 | 120-150 |
| Groundnut | Phyllanthus Niruri · Weeds | Spray | 2.5 kg | 5 ltrs. | 250-500 | 120-150 |
| Groundnut | Portulaca Oleracea · Weeds | Spray | 2.5 kg | 5 ltrs. | 250-500 | 120-150 |
| Groundnut | Trianthema Portulacastrum · Weeds | Spray | 1.5-2.5 kg | 3-5 ltrs. | 250-500 | 120-150 |
| Maize | Amaranthus Viridis · Weeds | Spray | 2.5 kg | 5 ltrs. | 250-500 | 90 |
| Maize | Echinochloa Colonum · Weeds | Spray | 2.5 kg | 5 ltrs. | 250-500 | 90 |
| Maize | Eleusine Indica · Weeds | Spray | 2.5 kg | 5 ltrs. | 250-500 | 90 |
| Maize | Euphorbia Hirta · Weeds | Spray | 2.5 kg | 5 ltrs. | 250-500 | 90 |
| Soybean | Amaranthus Viridis · Weeds | Spray | 2.5 kg | 5 ltrs. | 250-500 | - |
| Soybean | Cleome Viscosa · Weeds | Spray | 2.5 kg | 5 ltrs. | 250-500 | - |
| Soybean | Cyperus Compestris Iria · Weeds | Spray | 2.5 kg | 5 ltrs. | 250-500 | - |
| Soybean | Dactyloctenium Aegyptium · Weeds | Spray | 2.5 kg | 5 ltrs. | 250-500 | - |
| Soybean | Echinochloa Colonum · Weeds | Spray | 2.5 kg | 5 ltrs. | 250-500 | - |
| Soybean | Eleusine indica · Weeds | Spray | 2.5 kg | 5 ltrs. | 250-500 | - |
| Soybean | Setaria Glauca · Weeds | Spray | 2.5 kg | 5 ltrs. | 250-500 | - |
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 Alachlor label
- Cotton 9 claims
- Groundnut 8 claims
- Maize 4 claims
- Soybean 7 claims
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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 Alachlor 50% EC used for?
Alachlor 50% EC is a herbicide registered in India for weeds control on 4 crops including Cotton, Groundnut, Maize, Soybean.
What is the dosage of Alachlor 50% 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 Alachlor 50% EC?
Alachlor 50% EC carries the blue label triangle - moderately toxic (Danger). 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 Alachlor 50% EC?
The pre-harvest interval for Alachlor 50% 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.