Orus Universal Es

Synergistic Action: The Science Behind Orius Universal Еs

Successful cereal protection begins with robust seed treatment. Orius Universal Еs, developed by F. Makhteshim Chemical Works, is a systemic fungicide that utilizes a dual-action mechanism: Prochloraz (an imidazole) combined with Tebuconazole (a triazole). This chemical pairing is specifically engineered to target both seed-borne and soil-borne pathogens simultaneously.

Technical Composition and Functionality

• Prochloraz acts primarily through contact and limited translaminar activity. It effectively disinfects the seed coat and outer layers, establishing an initial defense against bunts and fusarium infections.
• Tebuconazole provides the systemic backbone. Once absorbed, it moves within the seedling to prevent internal fungal colonization. By inhibiting ergosterol biosynthesis within fungal cells, it halts mycelial growth, protecting the plant from within.

Formulated as an emulsion for seed treatment, the product ensures superior adhesion to the seed surface. This uniform coverage prevents dust-off and ensures that the active ingredients are distributed accurately across the entire seed batch, which is critical for consistent field emergence.

Field Application and Performance

Designed for winter wheat and winter barley, Orius Universal Еs is applied at rates ranging from 1.0 to 2.0 L/t. It offers comprehensive control over a broad spectrum of diseases, including snow mold, root rots (Fusarium and Helminthosporium), and various leaf spot diseases such as net blotch in barley. Its systemic nature ensures the seedling is shielded during its most vulnerable developmental stages.

Classified as a Hazard Class 3 substance, the product requires standard safety protocols. A single pre-sowing application is sufficient to provide the necessary protection, reducing early-stage stress and establishing a healthy foundation for the crop. This technical solution is an essential tool for farmers looking to maximize yield potential by ensuring uniform, disease-free stands right from the start.