Wapkil 20 SP by BIOSTADT (Butachlor 5% G)
Herbicide · Detailed usage and dosage information for different crops
Wapkil 20 SP dosage by crop
Pre-harvest interval (PHI): Infinity–-Infinity days depending on crop. Do not harvest before the waiting period is complete.
| Crop | Pest / disease | Method | a.i. per ha | Formulation per ha | Water (L/ha) | Waiting period (days) |
|---|---|---|---|---|---|---|
| Paddy | Cyperus Compestris Difformis · Weeds | Spray | 1.25-2.0 kg | 25-40kg. | - | 90-120 |
| Paddy | Cyperus Compestris Iria · Weeds | Spray | 1.25-2.0 kg | 25-40kg. | - | 90-120 |
| Paddy | Echinochloa Colonum · Weeds | Spray | 1.25-2.0 kg | 25-40kg. | - | 90-120 |
| Paddy | Echinochloa Colonum · Weeds | Spray | 1.25-2.0 kg | 25-40kg. | - | 90-120 |
| Paddy | Eclipta Alba · Weeds | Spray | 1.25-2.0 kg | 25-40kg. | - | 90-120 |
| Paddy | Eleusine Indica · Weeds | Spray | 1.25-2.0 kg | 25-40kg. | - | 90-120 |
| Paddy | Fimbristylis Spp · Weeds | Spray | 1.25-2.0 kg | 25-40kg. | - | 90-120 |
| Paddy | Ludwigia Parviflora · Weeds | Spray | 1.25-2.0 kg | 25-40kg. | - | 90-120 |
| Paddy | Sphenoclea Zeylanica · Weeds | Spray | 1.25-2.0 kg | 25-40kg. | - | 90-120 |
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
Wapkil 20 SP by BIOSTADT is registered under India's Insecticides Act 1968. The product label specifies the exact active ingredient concentration (Butachlor 5% G), 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 Butachlor 5% G brand products in India
All products below contain Butachlor 5% G as the active ingredient and carry CIB&RC registered label claims.
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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 Wapkil 20 SP registered for?
Wapkil 20 SP (Butachlor 5% G) is registered for use in Paddy as per CIB&RC label claims.
What is the dosage of Wapkil 20 SP?
Dosage of Wapkil 20 SP varies by crop and pest. Always follow the CIB&RC registered label dose for each crop.
Is Wapkil 20 SP safe to use near water bodies?
Always follow the Wapkil 20 SP 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 Wapkil 20 SP by BIOSTADT in India?
Wapkil 20 SP is available from licensed pesticide dealers across India. Use the NaPanta app to find verified dealers near you who stock BIOSTADT products. Always purchase pesticides from licensed dealers and insist on a bill to ensure authenticity.
What precautions should I take when using Wapkil 20 SP?
Wear personal protective equipment (PPE) — gloves, mask, eye protection, and full-sleeved clothing — when mixing and applying Wapkil 20 SP. 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.