Granic

Technical Potential of 'Granik' in Controlling Dicot Weeds

The systemic herbicide 'Granik' from Rangoli is a specialized solution based on tribenuron-methyl, belonging to the sulfonylurea class. The technological value of this product lies in its ability to rapidly inhibit the acetolactate synthase enzyme, which is critical for blocking cell division in the meristems of susceptible weeds.

Mechanism of Action and Selectivity

The product utilizes a systemic mode of action. Upon contact with the leaf surface (post-emergence application), the active ingredient is translocated through the xylem and phloem, concentrating in the growth points. The selectivity of the product allows for application on winter barley, rye, and winter wheat crops without risk of phytotoxicity to the crops. The metabolism of cereal crops neutralizes tribenuron-methyl, while target weeds lose viability within 2-3 weeks.

Key Application Aspects

• Target Spectrum: The herbicide demonstrates high efficacy against difficult-to-control species such as Cirsium arvense, Chenopodium album, Convolvulus arvensis, and Galium aparine.
• Application Technology: It comes in water-dispersible granule form, which facilitates the preparation of the working solution and ensures uniform distribution across the leaf surface.
• Regimen: A single application is allowed with a rate of up to 25 grams per hectare. Thanks to a short pre-harvest interval (only 1 day), 'Granik' acts as a flexible tool within intensive crop protection schemes.

An important advantage is its 3rd hazard class, making the product acceptable when strict safety precautions and application rates are followed. The absence of crop rotation restrictions is due to the rapid half-life of the active ingredient in the soil.