PhytoMag — plant growth regulator used for storing apples. The preparation contains the active ingredient 1-methylcyclopropene at a concentration of 20 g/kg. The manufacturer is LLC Phyto-Mag, located in Moscow, Russia. The preparation is used to ensure long-term apple storage by controlling their physiological activity. Registration number: 4663, registration date: September 20, 2010. The preparation is produced in the form of an external preparation (z.p.) and is intended for application in storage facilities where apples are stored. PhytoMag has a broad spectrum of action and is used in the agricultural sector to ensure stable product quality during storage. Its application allows reducing losses during storage, improving the external appearance of apples, and ensuring their long-term storage.