Trigger Pro by BIOSTADT (Metsulfuron Methyl 20% WP)
Herbicide · Detailed usage and dosage information for different crops
Slightly toxic — green label triangle (Caution)

Trigger Pro 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
Trigger Pro by BIOSTADT 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.
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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 Trigger Pro registered for?
Trigger Pro (Metsulfuron Methyl 20% WP) is registered for use in Paddy, Sugarcane as per CIB&RC label claims.
What is the dosage of Trigger Pro?
Dosage of Trigger Pro varies by crop and pest. Always follow the CIB&RC registered label dose for each crop.
Is Trigger Pro safe to use near water bodies?
Always follow the Trigger Pro 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 Trigger Pro by BIOSTADT in India?
Trigger Pro 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 Trigger Pro?
Wear personal protective equipment (PPE) — gloves, mask, eye protection, and full-sleeved clothing — when mixing and applying Trigger Pro. 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.