Abstract. Today, the increase in the number of the population and the increase in the demand for food products in our Republic, obtaining a high yield at low cost and achieving economic efficiency, as well as providing the population with enough food products, early, fertile, and external stress factors in cotton cultivation. , the development of agrotechnologies of treatment with new growth regulators in the cultivation of high and quality fiber resistant to diseases and pests is one of the urgent issues. On this basis, it is also important to carry out scientific research on the development of optimal norms and terms for the use of new growth regulators in the care of agricultural crops.