The variability of population and individual traits of medicinal plant Valeriana officinalis L. var. officinalis Mikan under different site conditions

Kostrakiewicz-Gierałt, Kinga

doi:10.18054/pb.v120i1.5453

Cited by 3 publications

(1 citation statement)

References 25 publications

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“…Aneuploidy was detected among some Italian populations as well [ 1 , 2 , 3 ]. Common valerian develops as a rhizomatous rosette-forming clonal perennial plant with solitary hollow stems reaching 2 m in height, with pale pink to white strongly scented flowers at the top [ 4 ].…”

Section: Introductionmentioning

confidence: 99%

Chemical Diversity of Wild-Growing and Cultivated Common Valerian (Valeriana officinalis L. s.l.) Originating from Poland

Raj,

Węglarz,

Przybył

et al. 2023

Molecules

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Common valerian is a medicinal plant. The underground organs of this species are used as a mild sedative and sleeping aid. Poland is one of the largest producers of this raw material in Europe, with local cultivar ‘Lubelski’ as a primary cultivated form. Although valerian is the subject of more or less deliberate selection carried out by farmers, it is still genetically unstable. The aim of this study was to determine the diversity of the ‘Lubelski’ cultivar originating from four regions of Poland (forms: L1–L4) in relation to wild-growing populations of the species. The plants were assessed in terms of the mass of underground organs and the content of valerenic acids and essential oils (EOs). The content of valerenic acids was determined using HPLC, whereas the content of EOs was determined using hydrodistillation. The composition of EOs was assessed using GC-MS GC-FID. The ploidy level of the analyzed objects was determined as well. Wild-growing populations (diploids) were characterized by lower masses of underground organs and lower contents of valerenic acid than cultivated forms (tetraploids). However, they produced higher contents of EOs. All the cultivated forms were strongly diversified with respect to the analyzed traits, including the mass of the roots (CV 49–75%), the content of valerenic acids (CV 18–55%), and the content of EOs (CV 28–57%). A total of 44 compounds were identified in the EOs. The dominant compound of both wild-growing populations and the ‘Lubelski’ forms were: α-fenchene, bornyl acetate, and valerenal. Among ‘Lubelski’ forms, the most interesting seems to be the L2 form, which was characterized by a relatively high yield and high content of valerenic acids and EOs. Thus, it appears to be a promising source of objects for further valerian cultivar improvement.

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Section: Introductionmentioning

confidence: 99%

Chemical Diversity of Wild-Growing and Cultivated Common Valerian (Valeriana officinalis L. s.l.) Originating from Poland

Raj,

Węglarz,

Przybył

et al. 2023

Molecules

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Genome-Wide Diversity Analysis of Valeriana officinalis L. Using DArT-seq Derived SNP Markers

et al. 2020

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Common valerian (Valeriana officinalis L.) is one of the most important medicinal plants, with a mild sedative, nervine, antispasmodic and relaxant effect. Despite a substantial number of studies on this species, the genetic diversity and population structure have not yet been analyzed. Here, we use a next-generation sequencing-based Diversity Array Technology sequencing (DArT-seq) technique to analyze Polish gene bank accessions that originated from wild populations and cultivars. The major and, also, the most astounding result of our work is the low level of observed heterozygosity of individual plants from natural populations, despite the fact that the species is widespread in the studied area. Inbreeding in naturally outcrossing species such as valerian decreases reproductive success. The analysis of the population structure showed the potential presence of a metapopulation in the central part of Poland and the formation of a distinct gene pool in the Bieszczady Mountains. The results also indicate the presence of the cultivated gene pool within wild populations in the region where the species is cultivated for the needs of the pharmaceutical industry, and this could lead to structural and genetic imbalances in wild populations.

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Intraspecific Variability of Wild-Growing Common Valerian (Valeriana officinalis L.)

Bączek

Kosakowska

Boczkowska

et al. 2022

Plants

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Common valerian (Valeriana officinalis L.) is an important medicinal plant revealing sedative, hypotensive, anti-spasmodic and anxiolytic activity. The purpose of the study was to determine the intraspecific variability of the common valerian growing wild in Poland and the ‘Lubelski’ landrace, as to their developmental traits, chemical composition and selected genetic parameters. Both wild-growing populations (19) and the landrace (1) were evaluated under ex situ conditions. Observations of the underground organs parameters, both developmental and chemical (according to the European Pharmacopoeia) were carried out in the first year of the plant’s development, while the characteristics of the aboveground organs, followed by the sowing value of seeds (according to the International Seed Testing Association)—in the second year. The genetic analyses were performed using the NGS-DArT-seq method. Results indicate the presence of five different gene pools covering the regions of population’s origin, with a gene flow within and between them. A high level of developmental and chemical variabilities among the wild-growing populations was noticed, however without a clear relation to the region of the origin. The mass of underground organs ranged from 107.4 to 403.6 g FW × plant−1 with the content of sesquiterpenic acids at the level of 0.004–0.094%. Population no 18 was distinguished by the highest content of sesquiterpenic acids and the relatively high mass of underground organs, followed by the admixture of the gene pool, typical for the ‘Lubelski’ landrace. Unlike the ‘Lubelski’ landrace, the wild-growing populations were characterized by a high amount of an essential oils (3.90 to 10.04 mL/kg), which may be promising from the perspective of their potential use. In turn, the sowing value of the seeds obtained from the populations, expressed as the germinability, was rather low (25.25–62.25%).

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The variability of population and individual traits of medicinal plant Valeriana officinalis L. var. officinalis Mikan under different site conditions

Cited by 3 publications

References 25 publications

Chemical Diversity of Wild-Growing and Cultivated Common Valerian (Valeriana officinalis L. s.l.) Originating from Poland

Chemical Diversity of Wild-Growing and Cultivated Common Valerian (Valeriana officinalis L. s.l.) Originating from Poland

Genome-Wide Diversity Analysis of Valeriana officinalis L. Using DArT-seq Derived SNP Markers

Intraspecific Variability of Wild-Growing Common Valerian (Valeriana officinalis L.)

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