Azoxystrobin 11% + Tebuconazole 18.3% SC Fungicide Uses

Azoxystrobin 11% + Tebuconazole 18.3% SC is a combination, systemic fungicide registered for use in India under the Insecticides Act, 1968, pairing a strobilurin (azoxystrobin) with a triazole (tebuconazole). It carries label recommendations for sheath blight in paddy and fruit rot/powdery mildew/die-back in chilli, and due to its broad-spectrum activity it is also used against several other fungal diseases across crops such as potato, tomato, wheat and onion. This combination remains legally registered and sold in India; always confirm the current pack label before use. This page lists its mode of action, key benefits and the recommended crop-wise dosage.

Which Problem Is This For? (Symptom Guide)

Not sure whether what you're seeing in the field matches this fungicide's use case? This guide helps match symptoms to this fungicide's approved crop-wise uses.

Mode of Action

This product combines two fungicides with different, complementary modes of action. Azoxystrobin is a strobilurin (QoI) fungicide that blocks mitochondrial respiration in fungal cells by binding at the Qo site of the cytochrome bc1 enzyme complex, cutting off the fungus's energy (ATP) supply and inhibiting spore germination at a very early stage. Tebuconazole is a triazole (DMI) fungicide that inhibits the C14-demethylase enzyme needed to build ergosterol, an essential component of fungal cell membranes, blocking normal membrane formation. Because the two actives interrupt the fungal life cycle at two separate, unrelated biochemical points, the combination gives both preventive and curative activity and is significantly harder for a fungal population to develop resistance against than either active used alone. Both actives are absorbed into leaf tissue and move systemically within the plant, continuing to protect new growth after spraying and allowing the product to perform well even under adverse environmental conditions.

Features & Benefits

• Recommended on paddy for sheath blight and chilli for fruit rot, powdery mildew and die-back; due to its broad-spectrum activity it also controls many other fungal diseases across crops.
• A combination of two of the most widely used fungicide molecules worldwide, with no resistance reported against them in India so far.
• Two complementary, unrelated modes of action reduce the resistance risk compared with using either component alone.
• Favourable toxicological profile and does not harm beneficial insects when used as directed.
• Systemic action allows it to be used effectively even under adverse environmental conditions.

Recommended Usage of Azoxystrobin 11% + Tebuconazole 18.3% SC Fungicide

Doses above are the commonly listed formulation-label rates for Azoxystrobin 11% + Tebuconazole 18.3% SC, rounded to practical spray-tank quantities. Always confirm the current pack label/CIB registration and consult your local agricultural extension office for the latest guidance before use and before harvest.

How to Use

1. Identify your crop and target disease from the table above, and confirm the correct dose per acre for that crop.
2. Measure the required quantity and pre-mix it in a small quantity of water, then add this to the spray tank and top up to the full water volume while stirring, so the suspension concentrate disperses evenly.
3. Spray using a knapsack or power sprayer fitted with a flat-fan or hollow-cone nozzle for uniform leaf coverage, preferably during the early morning or late evening.
4. Avoid spraying in hot, windy conditions or when rain is expected within a few hours, as this reduces efficacy and can cause spray drift or wash-off.
5. Repeat sprays at 10–15 day intervals if disease pressure continues, and always respect the waiting period before harvest; since this product already combines two mode-of-action groups, avoid adding a third fungicide from the same strobilurin or triazole group in the same spray program without good reason.

Precautions & Safety

• Wear appropriate PPE — mask/respirator, gloves, goggles and full-sleeved clothing — while mixing and spraying.
• Compatible with regularly used insecticides and fungicides, but do a small jar-compatibility test before tank-mixing with an unfamiliar product, and avoid mixing with strongly alkaline materials.
• Store in the original, tightly closed container in a cool, dry place away from direct sunlight, food, feed and out of reach of children and livestock.
• Respect the waiting period (PHI) listed for each crop above before harvesting, and follow your local agricultural extension advice for the latest guidance.
• Even with two modes of action, avoid repeated, back-to-back use of this exact combination on the same crop/disease across a season; rotate with fungicides from genuinely different groups as part of a resistance-management program.
• Wash hands, face and any exposed skin thoroughly with soap and water after handling or spraying, and change out of contaminated clothing before eating, drinking or smoking.

Brand names mentioned on this page are registered trademarks of their respective owners and are referenced here for identification purposes only; FarmMate is not affiliated with or endorsed by these brands. This page is for general information only — always consult your local agricultural extension office and confirm the current product label before use.