The Regalis Plus preparation is a water solution containing calcium progibberellic acid at a concentration of 100 g/kg. This plant growth regulator is intended for use on apple trees and is applied to control plant growth, increase yield, and improve fruit quality. The preparation is widely used in agriculture due to its effectiveness and environmental safety. Regalis Plus has high biological activity and can be applied at various stages of apple tree growth, ensuring optimal conditions for fruit development. Its use reduces the risk of plant diseases, enhances resistance to stress factors, and improves the overall condition of the crop. Regalis Plus is produced by BASF SE from Germany. It meets high standards of quality and safety, making it a reliable choice for farmers and agricultural enterprises worldwide.