Fortenza Duo by SYNGENTA (2, 4-D Ethyl Ester 38% EC)
Herbicide · Detailed usage and dosage information for different crops

Fortenza Duo 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) |
|---|---|---|---|---|---|---|
| Maize | Amaranthus Spinosus · Weeds | Spray | 0.9 kg | 2.65 ltr | 400-450 | 50-60 |
| Maize | Boerhaavia Diffusa · Weeds | Spray | 0.9 kg | 2.65 ltr | 400-450 | 50-60 |
| Maize | Convolvulus Arvensis · Weeds | Spray | 1.0 kg | 2.94 | 425 | - |
| Maize | Cyperus Compestris Iria · Weeds | Spray | 1.0 kg | 2.94 | 425 | - |
| Maize | Cyperus Compestris Spp · Weeds | Spray | 0.9 kg | 2.65 ltr | 400-450 | 50-60 |
| Maize | Digera Arvensis · Weeds | Spray | 1.0 kg | 2.94 | 425 | - |
| Maize | Euphorbia Hirta · Weeds | Spray | 0.9 kg | 2.65 ltr | 400-450 | 50-60 |
| Maize | Striga Spp · Weeds | Spray | 1.0 kg | 2.94 | 425 | - |
| Maize | Trianthema Monogyna · Weeds | Spray | 0.9 kg | 2.65 ltr | 400-450 | 50-60 |
| Maize | Tribulus Terrestris · Weeds | Spray | 0.9 kg | 2.65 ltr | 400-450 | 50-60 |
| Maize | Tridax Procumbens · Weeds | Spray | 1.0 kg | 2.94 | 425 | - |
| Paddy | Echinochloa Colonum · Weeds | Spray | 0.85 kg | 2.5 | 400 | - |
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
Fortenza Duo by SYNGENTA is registered under India's Insecticides Act 1968. The product label specifies the exact active ingredient concentration (2, 4-D Ethyl Ester 38% EC), 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 2, 4-D Ethyl Ester 38% EC brand products in India
All products below contain 2, 4-D Ethyl Ester 38% EC 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 Fortenza Duo registered for?
Fortenza Duo (2, 4-D Ethyl Ester 38% EC) is registered for use in Maize, Paddy as per CIB&RC label claims.
What is the dosage of Fortenza Duo?
Dosage of Fortenza Duo varies by crop and pest. Always follow the CIB&RC registered label dose for each crop.
Is Fortenza Duo safe to use near water bodies?
Always follow the Fortenza Duo 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 Fortenza Duo by SYNGENTA in India?
Fortenza Duo is available from licensed pesticide dealers across India. Use the NaPanta app to find verified dealers near you who stock SYNGENTA products. Always purchase pesticides from licensed dealers and insist on a bill to ensure authenticity.
What precautions should I take when using Fortenza Duo?
Wear personal protective equipment (PPE) — gloves, mask, eye protection, and full-sleeved clothing — when mixing and applying Fortenza Duo. 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.