Hook by DHANUKA (Metsulfuron Methyl 20% WP)
Herbicide · Detailed usage and dosage information for different crops
Slightly toxic — green label triangle (Caution)
Hook dosage by crop
Pre-harvest interval (PHI): 60–346 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 | Amaranthus Viridis · Weeds | Spray | 4 gm. | 20 gm. | 500-600 | 60 |
| Paddy | Cyperus Compestris Esculentus · Weeds | Spray | 4 gm. | 20 gm. | 500-600 | 60 |
| Paddy | Cyperus Compestris Rotundus · Weeds | Spray | 4 gm. | 20 gm. | 500-600 | 60 |
| Paddy | Fimbristylis Spp · Weeds | Spray | 4 gm. | 20 gm. | 500-600 | 60 |
| Paddy | Ludwigia Parviflora · Weeds | Spray | 4 gm. | 20 gm. | 500-600 | 60 |
| Paddy | Marsilea Quadrifolia · Weeds | Spray | 4 gm. | 20 gm. | 500-600 | 60 |
| Paddy | Parthenium Hysterophorus · Weeds | Spray | 4 gm. | 20 gm. | 500-600 | 60 |
| Paddy | Portulaca Oleracea · Weeds | Spray | 4 gm. | 20 gm. | 500-600 | 60 |
| Paddy | Spheanochlea Spp · Weeds | Spray | 4 gm. | 20 gm. | 500-600 | 60 |
| Paddy | Trianthema Spp · Weeds | Spray | 4 gm. | 20 gm. | 500-600 | 60 |
| Sugarcane | Cleome Viscosa · Weeds | Spray | 6 | 30 | 500-600 (Add non -ionic surfactant Iso-octyl-phenoxyl -poloxethanol 12.5% @ 2ml per liter of spray volume (0.2%) | 346 |
| Sugarcane | Commelina benghalensis · Weeds | Spray | 6 | 30 | 500-600 (Add non -ionic surfactant Iso-octyl-phenoxyl -poloxethanol 12.5% @ 2ml per liter of spray volume (0.2%) | 346 |
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
Hook by DHANUKA is registered under India's Insecticides Act 1968. The product label specifies the exact active ingredient concentration (Metsulfuron Methyl 20% WP), 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 Metsulfuron Methyl 20% WP brand products in India
All products below contain Metsulfuron Methyl 20% WP as the active ingredient and carry CIB&RC registered label claims.
- ★ This product
HookDHANUKA 
AlgoCRYSTAL
BilgripBHARAT
ControllerPARIJAT
FreedomHPM
IPL GripIPL
MakotoIFFCO
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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 Hook registered for?
Hook (Metsulfuron Methyl 20% WP) is registered for use in Paddy, Sugarcane as per CIB&RC label claims.
What is the dosage of Hook?
Dosage of Hook varies by crop and pest. Always follow the CIB&RC registered label dose for each crop.
Is Hook safe to use near water bodies?
Always follow the Hook 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 Hook by DHANUKA in India?
Hook is available from licensed pesticide dealers across India. Use the NaPanta app to find verified dealers near you who stock DHANUKA products. Always purchase pesticides from licensed dealers and insist on a bill to ensure authenticity.
What precautions should I take when using Hook?
Wear personal protective equipment (PPE) — gloves, mask, eye protection, and full-sleeved clothing — when mixing and applying Hook. 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.