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Ontogenesis, estimation of coenopopulation state and component composition in <i>Nepeta densiflora</i> Kar. et Kir. ( <i>Lamiaceae</i> ) individuals of East Kazakhstan

A. Yu. AstashenkovLaboratory of Morphology and Population Biology, Central Siberian Botanical Garden, Siberian Branch, Russian Academy of Sciences, Novosibirsk, RussiaV. A. CheryomushkinaLaboratory of Morphology and Population Biology, Central Siberian Botanical Garden, Siberian Branch, Russian Academy of Sciences, Novosibirsk, RussiaAnar MyrzagaliyevaScientific School, S. Amanzholov East Kazakhstan State University, Oskemen, Republic of KazakhstanBalzhan Z. MedeubayevaScientific School, S. Amanzholov East Kazakhstan State University, Oskemen, Republic of Kazakhstan

2018en

ABI

Annotatsiya

The paper presents the results of the complex study of main biological and chemical characteristics in the endemic species Nepeta densiflora which occupies the boundary position in the distribution of Spicatae (Benth.) Pojark.section of Nepeta genus. It has been established that the ontogenesis is complete and the individuals successively pass the morphogenesis stages: primary shoot → primary bush → clump → branching particle. Assessment of coenopopulation states has identified the studied population as normal and stable. Coenopopulation stability is determined by its seed regeneration and complex ontogenesis. Species existence under the studied ecological and coenotic conditions can be successful, provided that there is no phytocoenotic environment composed of turfed lady’s mantle community. In N. densiflora, the main components of the essential oil were found to be cis-trans-Nepetalactone (up to 70%), cis-β-Ocimene (4.8%), Germacrene D (3.1%) and β-Cyclocitral (2.4%).

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Identifikatorlar

DOI: 10.1080/00207233.2018.1509496

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