Bunker by PI (Bensulfuron Methyl 0.6% + Pretilachlor 6% G)
Herbicide · Detailed usage and dosage information for different crops

Bunker dosage by crop
Pre-harvest interval (PHI): 88 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 | Ammania Baccifera · Weeds | Spray | 60 + 600 gm | 10 kg | N.A. | 88 |
| Paddy | Cynodon Dactylon Cyperus Compestris Iria · Weeds | Spray | 60 + 600 gm | 10 kg | N.A. | 88 |
| Paddy | Cyperus Compestris Difformis · Weeds | Spray | 60 + 600 gm | 10 kg | N.A. | 88 |
| Paddy | Cyperus Compestris Rotundus · Weeds | Spray | 60 + 600 gm | 10 kg | N.A. | 88 |
| Paddy | Echinochloa Colonum · Weeds | Spray | 60 + 600 gm | 10 kg | N.A. | 88 |
| Paddy | Echinochloa Colonum · Weeds | Spray | 60 + 600 gm | 10 kg | N.A. | 88 |
| Paddy | Eclipta Alba · Weeds | Spray | 60 + 600 gm | 10 kg | N.A. | 88 |
| Paddy | Enhydra Fluctuans · Weeds | Spray | 60 + 600 gm | 10 kg | N.A. | 88 |
| Paddy | Fimbristylis Spp · Weeds | Spray | 60 + 600 gm | 10 kg | N.A. | 88 |
| Paddy | Ludwigia Parviflora · Weeds | Spray | 60 + 600 gm | 10 kg | N.A. | 88 |
| Paddy | Marsilea quadrifolia · Weeds | Spray | 60 + 600 gm | 10 kg | N.A. | 88 |
| Paddy | Sphenoclea Zeylanica · Weeds | Spray | 60 + 600 gm | 10 kg | N.A. | 88 |
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
Bunker by PI is registered under India's Insecticides Act 1968. The product label specifies the exact active ingredient concentration (Bensulfuron Methyl 0.6% + Pretilachlor 6% 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 Bensulfuron Methyl 0.6% + Pretilachlor 6% G brand products in India
All products below contain Bensulfuron Methyl 0.6% + Pretilachlor 6% G as the active ingredient and carry CIB&RC registered label claims.
- ★ This product
BunkerPI
BenpretHPM
Bensulf PowerAGASTYA
BENTILACRYSTAL
Eraze StrongNACL
Londax PowerPI
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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 Bunker registered for?
Bunker (Bensulfuron Methyl 0.6% + Pretilachlor 6% G) is registered for use in Paddy as per CIB&RC label claims.
What is the dosage of Bunker?
Dosage of Bunker varies by crop and pest. Always follow the CIB&RC registered label dose for each crop.
Is Bunker safe to use near water bodies?
Always follow the Bunker 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 Bunker by PI in India?
Bunker is available from licensed pesticide dealers across India. Use the NaPanta app to find verified dealers near you who stock PI products. Always purchase pesticides from licensed dealers and insist on a bill to ensure authenticity.
What precautions should I take when using Bunker?
Wear personal protective equipment (PPE) — gloves, mask, eye protection, and full-sleeved clothing — when mixing and applying Bunker. 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.