Abstract
Science-based biotechnologies serve as the foundation for the development of modern highly productive environmentally friendly horticulture. The natural polymer chitosan, due to its high availability, biosafety, and synthetic flexibility, is an excellent basis to construct new agrobiotechnological agents that meet the requirements of the pharmaceutical and food industries. The results of studies of the growth-regulating action of N-(2-carboxyethyl)chitosan (CEC) in relation to seeds and young plants of Echinacea purpurea are presented. It is shown that chitosan alkyl derivatives are safe preparations that can be used successfully for the cultivation of food and medicinal plants, including rare and endangered species.
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