Tregus 500 — this is a plant growth regulator in concentrate suspension with the active ingredient trienexapac-ethyl. The preparation is used to accelerate ripening of wheat, barley, and plantain. Applied by spraying crops at a rate of 0.2 to 0.8 liters per hectare depending on the crop. The product is manufactured by Ifagri Ltd (United Kingdom) and Innvigo Sp. z o.o. (Poland). Tregus 500 helps improve crop quality, ensuring earlier plant ripening without negative effects on their development. The preparation is suitable for use in various agricultural conditions and is recommended for use according to the manufacturer's instructions. Its effectiveness has been proven in practice due to precise dosing and broad spectrum of action.