1Associate Professor, Termiz State University, Republic of Uzbekistan, Email id: erkinmail78@rambler.ru
2Student, Termiz State University, Republic of Uzbekistan
3Masters, The National University of Uzbekistan, Republic of Uzbekistan
Online published on 30 June, 2020.
The article presents the results of studying the biology of the growth and development of Valerian officinal is in different periods of ontogenesis. The beginning of the growing season is the first decade of March, it lasts until mid-November.
Introduction, Hypocotyl, Epicotyl, Ontogenesis, Periods: Latent, Virginal, Generative