Izvestiya of Saratov University.

Chemistry. Biology. Ecology

ISSN 1816-9775 (Print)
ISSN 2541-8971 (Online)

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Pikalova E. V. Morphometry and seed productivity of some representatives of the Lamiaceae family of a plot of medicinal plants of the Botanical Garden of the Orеnburg State University. Izvestiya of Saratov University. Chemistry. Biology. Ecology, 2022, vol. 22, iss. 1, pp. 74-81. DOI: 10.18500/1816-9775-2022-22-1-74-81

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Morphometry and seed productivity of some representatives of the Lamiaceae family of a plot of medicinal plants of the Botanical Garden of the Orеnburg State University

Pikalova Ekaterina V., Orenburg State Agrarian University

Data on the study of morphometric parameters of medicinal plants such as Hyssopus offi cinalis L. and Nepeta pannonica L., which are part of the collection of medicinal plants of the Botanical Garden of the Orеnburg State University, are presented. It was found that the studied species successfully adapt to new growing conditions, since the parameters of morphometry vary within the medium to very high levels of variability. However, Nepeta pannonica L. is more plastic, since the values of the coeffi cients of variation of traits in this species are higher than in Hyssopus offi cinalis L. Comparison of the parameters of plants in 2019 with plants in 2020 showed that the highest values for both Hyssopus offi cinalis L. and Nepeta pannonica L. were recorded in 2020. The study of reproductive indicators also showed their dependence on the weather conditions of each specifi c year of research: the more favorable the climatic features of the year, the higher the seed productivity. Thus, for Hyssopus offi cinalis L., the maximum number of seeds per plant was 328.4 pcs. (2020) and the minimum was 278. 3 pcs. (2021); for Nepeta pannonica L. the maximum number of seeds was 412.3 pcs. per plant (2020) and the minimum was 334.6 pcs. (2021).

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