The FAZOR preparation is a plant growth regulator containing maleic hydrazide. It is used to increase the yield and quality of potatoes. The preparation is a water solution and is used in agriculture. The manufacturer is Crompton (Uniroyal Chemicals) Registration Ltd, registered in the United Kingdom. The preparation is registered under number 3845 since April 27, 2009. It is widely used to improve the growth and development of potato plants, ensuring stable and high yields. Plant growth regulators play an important role in agriculture, allowing control over plant development and enhancing their resistance to diseases and adverse environmental conditions.