Adama today announced increased availability of Apresa (flumioxazine; S-metolachlor), a pre-mixed pre-emergent herbicide, in South America. The statement does not explain the exact meaning of this "greater availability" (locations, volumes, etc.). When questioned, the company informed that in 2024 the product should be sold in Bolivia. In Brazil, it has been sold since 2022. In Argentina and Paraguay, since 2023. Furthermore, "in these countries, the product should begin to be used for sugar cane, potatoes and peanuts in 2024".
Adama also reported that Apresa is expected to be launched in China in 2025.
“Our customers are always looking for ways to streamline their crop protection efforts, and Apresa enables this with its robust, concentrated power in an easy-to-use solution that is excellent for regenerative agriculture,” said Romeu Stanguerlin, senior vice president for Latin America from Adama.
In Brazil, Apresa is registered for peanuts, sugar cane, eucalyptus and soybeans.
Flumioxazin, flumioxazine (HRAC 14, CAS 103361-09-7) is a selective, pre-emergent herbicide used to control a wide variety of broadleaf weeds and some grasses in a variety of crops. It is a member of the triazolopyrimidine herbicide family and has a mode of action that inhibits the synthesis of carotenoids in plants. Carotenoids are essential for photosynthesis and protection against UV damage, so inhibition of their synthesis leads to the death of the weed seedling.
S-metolachlor, S-metolachlor (HRAC 15, CAS 87392-12-9) is a pre-emergent herbicide used to control weeds in more than 70 agricultural crops. It is selective, meaning it kills certain types of weeds without harming the crop. It is absorbed by the roots of young weed plants and inhibits the production of very long-chain fatty acids, essential for cell growth and division. This results in the death of the weed seedling.
It is a member of the chloroacetamide family of herbicides and has a similar mode of action to other chloroacetamides, such as metolachlor and alachlor. However, S-metolachlor is more active than metolachlor. It is also more selective for certain crops, such as soybeans and corn.
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