Key facts
From KisanPe's verified data. Confirm prices and doses with the seller, label or official source before acting.
- Category
- Fungicide
- Mode of action
- Systemic & Mesostemic
- Target crops
- Paddy, Chilly, Tomato, Mango
- Target pests
- Sheath Blight, Powdery Mildew, Anthracnose / Dieback, Yellow Rust
Chemical properties and DMI systemic mode of action
Tebuconazole exhibits rapid acropetal and translaminar movement, providing systemic protection throughout plant foliage.
- Inhibits fungal C14-demethylase enzyme in sterol biosynthesis (FRAC Group 3, DMI fungicide).
- Halts ergosterol production, causing structural disintegration of fungal cell membranes and stopping hyphal growth.
- Offers strong curative efficacy by eradicating fungal mycelium even after initial plant tissue infection has commenced.
- Long-lasting residual protection shields newly emerging leaves and tillers from secondary fungal spores.
Target crops and major fungal disease spectrum
Tebuconazole 25.9% EC is approved by CIBRC for disease management across major cereal, pulse, and horticultural crops.
- Rice (Paddy): Effective suppression of sheath blight (Rhizoctonia solani) and blast.
- Wheat: Control of yellow rust (stripe rust), brown rust, and powdery mildew during flag leaf and heading stages.
- Soybean: Control of Asian soybean rust and Cercospora foliar blight.
- Chilli: Management of fruit rot (anthracnose dieback) and powdery mildew.
- Groundnut: Control of early and late leaf spots (tikka disease) and rust.
Spraying recommendations and resistance stewardship
Apply Tebuconazole at the first appearance of fungal lesions or when weather conditions favour disease flare-ups. Use hollow cone nozzles for uniform canopy misting. To prevent triazole resistance, avoid excessive consecutive applications; rotate with multi-site protective fungicides (such as Mancozeb or Chlorothalonil) or strobilurin-based formulations.
Official source
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Central Insecticides Board and Registration Committee ↗Related on KisanPe
Common questions
What is the technical chemical class of Tebuconazole 25.9% EC?
Tebuconazole belongs to the triazole chemical group (FRAC Group 3) operating as a demethylation inhibitor (DMI) of ergosterol biosynthesis.
Does Tebuconazole have curative disease action?
Yes, Tebuconazole offers both preventive protection and systemic curative action, halting fungal mycelium already inside plant tissues.
Which major wheat diseases are controlled by Tebuconazole?
It provides excellent control of yellow stripe rust, brown leaf rust, and powdery mildew in irrigated wheat.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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