UPL·Fungicides
Petton Duo
Petton Duo is a contact-systemic fungicide, a suspension concentrate with sulfur and prothioconazole, for winter wheat and spring barley against powdery mildew, septoria, rust and leaf spots.
Main advantages
- Sulfur and prothioconazole — two actives, different modes of action
- Sulfur is reduced to hydrogen sulfide — inhibits enzymes
- From tillering to the end of flowering — up to two treatments
- Rate 3.0–4.0 l/ha — the same for wheat and barley
Overview
About this product
Petton Duo is a fungicide in a suspension concentrate with two active substances: sulfur 625 g/L and prothioconazole 50 g/L. Sulfur acts by contact: in the pathogen's tissue it is reduced to hydrogen sulfide, inhibits enzymes and stops spores from germinating.
Prothioconazole is absorbed, moves upwards through the plant's vascular system and inhibits sterol demethylation in the fungal membrane. Winter wheat is treated against powdery mildew, septoria, and brown, stem and yellow rust, and spring barley against leaf spots, rust and powdery mildew, from tillering to the end of flowering.
The rate is 3.0–4.0 l/ha, protective action 2–3 weeks. 10 l canister.
Application
Rate, timing and crops
- Rate
- 3.0–4.0 l/ha
- Timing
Spraying during the growing season, from the tillering stage to the end of flowering, up to two treatments; the last 30 days before harvest.
Working solution 200–300 l/ha.
- Crops
- Winter wheatSpring barley
Figures from the manufacturer, UPL. Source page
Register rates
Ministry order № 842 of 16.07.2024
| Crop | Rate | Max treatments |
|---|---|---|
| Пшениця озима | 3.0–4.0 | 2 |
| Ячмінь ярий | 3.0–4.0 | 2 |
Пшениця озима
- Rate
- 3.0–4.0
- Max treatments
- 2
Ячмінь ярий
- Rate
- 3.0–4.0
- Max treatments
- 2
The order prints the rate without a unit; the label states it.
Source: ministry order № 842 of 16.07.2024, as published.
Specifications
Active ingredients and formulation
| Type | Fungicide |
|---|---|
Active ingredients
| |
| Formulation | SC · suspension concentrateUkrainian label code КС |
| Target Crops | Winter wheat, Spring barley |
| Mode of action | Sulfur (inorganic, FRAC group M2) acts by contact: in the pathogen's tissue it is reduced to hydrogen sulfide and inhibits its enzymes, preventing spore germination. Prothioconazole (triazolinthiones, FRAC group 3) moves acropetally through the plant's vascular system and inhibits the demethylation of the sterols that build the fungal cell membrane. |
| Resistance group | Group 3 · DMI fungicides; Group M2FRAC |
| Registration | Re-registered 16.07.2024Ministry order № 842 |
| Registrant | ЮПЛ Холдінгз Кооператіф Ю.А. (Netherlands) |
| Manufacturer | UPL |
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Questions & answers
What farmers ask most
- Yes. A ministry order of 16.07.2024 registered this product again. The order states no term, so the page gives no end date.
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Product specifications are compiled from publicly available manufacturer sources and are provided for guidance only — confirm all details with the vendor before purchase. Brand names, logos and trademarks are the property of their respective owners; a listing on ADAM does not imply affiliation, sponsorship or endorsement.