Study of the Growth and Development of Pterocarya pterocarpa (Michx.) Kunth ex Iljinsk. in ex situ Conditions | Исследование роста и развития Pterocarya pterocarpa (Michx.) Kunth ex Iljinsk. в условиях ex situ
2021
Mammadova, K.
Results of analyzes of the growth and development of species Pterocarya pterocarpa (Michx.) Kunth ex Iljinsk. of the Pterocarya Kunth genus (Juglandaceae DC. ex Perleb) — relict plant of the Arctic flora of the III period in ex situ conditions have been shown in the paper. Degree of adaptation of wingnut in ex situ conditions, its growth characteristics were assessed both in young and old age. The biomorphological structure of P. pterocarpa seedlings, the size and number of hypocotyls and germ layer were determined in the course of the study. The formation and growth of simple complex true leaves and the life cycle of germ layer were determined as a result of observations of seedlings. The growth of seedlings of wingnut occurs intensively from the third decade of April to the second decade of June under ex situ conditions have been showed the study. The final productivity of seedlings under in situ conditions was higher than under cultivation conditions in ex situ as was found under studying the growth and development of plant. The vegetation of the species P. pterocarpa under the conditions of Absheron begins from the second decade of March to the second decade of November; the duration of the growing season is several days. P. pterocarpa grows and develops normally in cultural conditions of Absheron on based of the analysis of the research.
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