Abstract
The aim of the study was to study the biological activity of extracts of the aerial part and rhizomes with the roots of Echinacea purpurea (L.) Moench. Used laboratory and statistical methods. The activity of the extracts was studied by biotesting on the seeds of cress (Lepidium sativum), barley (Hordeum vulgare) and millet (Panicum miliaceum). It has been established that echinacea extracts affect a wide range of concentratins, plant phytomass increases and the sowing qualiies of seeds are stimulated. It is concluded that the further study of echinacea extracts is promising.
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