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    Wyświetlanie 1-5 z 5
    Tytuł:
    Phytochemical and bioactivity diversity in the extracts from bulbs and leaves of different populations of Allium jesdianum, a valuable underutilized vegetable
    Autorzy:
    Ghasemi Pirbalouti, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/12300024.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    Iran
    wild plant
    vegetable
    Yazdi onion
    Allium jesdianum
    endemic species
    bulb
    leaf
    plant population
    phytochemical diversity
    antioxidant activity
    antimicrobial activity
    antioxidant agent
    antimicrobial agent
    useful plant
    Opis:
    Allium jesdianum Boiss. & Buhse (Yazdi onion) belonging the family Alliaceae, is an endemic species of Iran that grows wild in the Zagros Mountains range, southwestern Iran. The indigenous people of Iran use the leaves and bulbs of A. jesdianum for the treatment of colds and kidney problems. The bulbs and leaves of various populations of the plant were collected from the alpine regions in Chaharmahal va Bakhtiari province, southwestern Iran. The total phenolic content of ethanol extract was determined by FolinCiocalteu method, the antioxidant activity was evaluated measuring 1,1-diphenyl-2-picrylhydrazyl (DPPH), and the antibacterial activity of the extracts against four bacteria was determined by serial dilution assay. Results indicated that the total phenolic content in ethanol extracts from leaves and bulbs of A. jesdianum ranged between 27.83 to 98.23 mg GAE/g extract. A comparison of all plant extracts in the DPPH assay indicated that ethanol extracts from the populations of A. jesdianum leaves were the most effective free radical scavenging agents. The extracts indicated moderate-to-good inhibitory activities against four bacteria, especially against B. cereus. This finding suggests that the bulbs and leaves of A. jesdianum may be considered a natural source of antioxidants and antimicrobial agents.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2019, 18, 2; 115-122
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of pubescent oak (Quercus pubescens Willd.) by means of chloroplast DNA (cpDNA) in the western part of the Balkan Peninsula
    Autorzy:
    Ballian, D.
    Ivankovic, M.
    Grycan, J.
    Peric, S.
    Marjanovic, H.
    Bobinac, M.
    Slade, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/57477.pdf
    Data publikacji:
    2010
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    pubescent oak zob.downy oak
    downy oak
    oak
    Quercus pubescens
    chloroplast
    cpDNA
    Balkan Peninsula
    genetic variability
    population diversity
    plant population
    Opis:
    In the area of the western Balkans, xerothermal broad-leaf forests hold a very special position, the main species being pubescent oak (Quercus pubescens Willd.). The study comprises 36 populations of pubescent oak from Croatia, Bosnia and Herzegovina, Montenegro, Kosovo, Albania and Macedonia. Genetic variability and population diversity was analysed on chloroplast DNA in order to determine to which haplotype an individual or studied population belongs, as well as how they are related. For the detection of one haplotype analysed four sequences (AS, TF, DT and CD) on the chloroplasts DNA. The results of the analysis suggest that there are six different haplotypes of pubescent oak (2, 4, 5, 17, 31, 33) in the studied populations. Two more sub-haplotypes were found in haplotype 5 (a and b), but only in populations occurring in Croatia and Bosnia and Herzegovina. The results suggest the great variability of pubescent oak in the researched area, which is generally characteristic of other species from the area of the Balkan Peninsula. The results obtained by means of cpDNA analysis can help in the formation of seed zones. However, due to the strong selection pressure of unplanned logging, and the possible introduction of herbal material of unknown origin, it is necessary to find a sufficient number of autochthonous entities (i.e., populations of the researched species) as well as new suitable markers for their characterization. The results of this paper constitute a scientifically recognised, partial examination of the origin of the starting forest reproductive material from the broader geographic area, thus serving future projects on its regeneration.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2010, 79, 3
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Low level of genetic variation within Melica transsilvanica populations from the Krakow-Czestochowa Upland and the Pieniny Mts revealed by AFLPs analysis
    Autorzy:
    Szczepaniak, M
    Cieslak, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/58779.pdf
    Data publikacji:
    2007
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    low level
    genetic variation
    Melica transsilvanica
    plant population
    Krakow-Czestochowa Upland
    Pieniny Mountains
    AFLP technique
    Melica ciliata
    genetic diversity
    habitat fragmentation
    Opis:
    Fragmented distribution, the breeding system and effects of genetic drift in small-size populations occurring at edge of the species range play an important role in shaping genetic diversity of such a species. Melica transsilvanica is a plant rare in the flora of Poland, where it reaches the northern limit of its continuous range. Amplified Fragment Length Polymorphism (AFLP) DNA profiling method was applied to measure genetic diversity among and within populations of M. transsilvanica. Additionally, genetic relationships between M. transsilvanica and Melica ciliata, two closely related species, were explored. A total of 68 plants from 7 populations of M. transsilvanica and 24 plants from 2 populations of M. ciliata, collected in Poland and outside it, were analyzed. Using 294 AFLP fragments from 3 primer combinations, accessions were grouped into two major clusters associating with M. ciliata and M. transsilvanica, respectively. Further, two subclusters, corresponding to the samples collected from the Pieniny Mts and from the Kraków - Częstochowa Upland were clearly distinguished within the M. transsilvanica group. The hierarchical AMOVA exhibited significant genetic distinction between these geographic regions (60.89%, p < 0.001). The obtained results showed that the most genetic diversity resided between the populations of M. transsilvanica (86.03%) while considerably lower genetic variation was found within the populations (13.97%), which is consistent with the results reported for self-plants. The low level of AFLP genetic variation of M. transsilvanica can be caused by the geographic isolation of populations, which preserves the dominant self-mating breeding system of the species. Individual populations of M. transsilvanica are characterized by isolated gene pools differing by a small number of loci.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2007, 76, 4; 321-331
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Przemiany zmiennowilgotnych łąk ziołoroślowych na poziomie fitocenotycznym i populacyjnym
    Transformation of the variously moist macroforb meadows on phytocoenotic and population levels
    Autorzy:
    Franczak, M.
    Czarnecka, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/400566.pdf
    Data publikacji:
    2012
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    różnorodność florystyczna
    łąki ziołoroślowe
    siedliska hydrogeniczne
    mała dolina rzeczna
    populacje roślin
    floristic diversity
    macroforb meadows
    hydrogenic habitat
    small river valley
    plant population
    Opis:
    Celem badań było określenie wpływu wahań poziomu wód gruntowych, spowodowanych działalnością bobrów, na kształtowanie się składu florystycznego roślinności łąkowej na przykładzie bezleśnego fragmentu małej doliny rzecznej (rzeka Szum na Roztoczu Środkowym). Analizie poddane zostały również wybrane cechy populacji dwóch gatunków wieloletnich charakterystycznych dla zmiennowilgotnych łąk ziołoroślowych: Filipendula ulmaria i Cirsium oleraceum. Na stałych powierzchniach badawczych u znakowanych osobników odnotowywano liczbę pędów nadziemnych. Równolegle śledzono zmiany poziomu wód gruntowych w piezometrach. W płatach roślinności łąkowej w największym stopniu narażonych na podtopienie stwierdzono spadek różnorodności biologicznej oraz zmniejszenie się udziału gatunków charakterystycznych klasy Molinio-Arrhenatheretea. Reakcją populacji badanych gatunków na długotrwały stres wodny był spadek liczebności osobników i ramet oraz obniżenie się ich skupiskowości.
    The aim of the study was to determine the effect of fluctuation of the ground water level, caused by beaver activity, on the floristic composition of meadow vegetation in the fragment of small river valley (the Szum river, Central Roztocze). We analyzed selected traits of the populations of two perennial species characteristic of variously moist meadows: Filipendula ulmaria and Cirsium oleraceum. On permanent plots we noted the number of shoots (ramets) of marked individuals. Simultaneously, changes in the ground water levels were monitored in piezometres. In the patches of meadow vegetation under the greatest risk of flooding a decrease of biological diversity and reduce the share of species characteristic for the class Molinio-Arrhenatheretea was observed. The response of the populations of the species tested for long-term water stress was the decrease in the number of individuals and ramets, and reducing the degree of their clustering.
    Źródło:
    Inżynieria Ekologiczna; 2012, 29; 38-47
    2081-139X
    2392-0629
    Pojawia się w:
    Inżynieria Ekologiczna
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Morphological and genetic diversity of European cranberry (Vaccinium oxycoccos L., Ericaceae) clones in Lithuanian reserves
    Autorzy:
    Cesoniene, L.
    Daubaras, R.
    Paulauskas, A.
    Zukauskiene, J.
    Zych, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/58272.pdf
    Data publikacji:
    2013
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    morphological diversity
    genetic diversity
    European cranberry
    small cranberry zob.European cranberry
    bog cranberry zob.European cranberry
    swamp cranberry zob.European cranberry
    Vaccinium oxycoccos
    Ericaceae
    clone
    domestication
    genetic resource
    peat bog
    plant population
    random amplified polymorphic DNA
    Lithuania
    Opis:
    The wild-harvested fruit of Vaccinium oxycoccos (European cranberry) is used medicinally in many European and North American countries; the plant, however, is seldom cultivated. In order to optimize the collection strategy and improve the horticulturally important characters of V. oxycoccos clones, comprehensive investigations of the species are necessary. In the present study we investigated the phenological, morphological and genetic diversity of 29 clones originating from two wild populations growing in two strictly protected Lithuanian reserves, Čepkeliai and Žuvintas. During an ex situ collection at Kaunas Botanical Garden, we observed great phenological variation between the collected V. oxycoccos clones. The following morphological traits most clearly distinguished our study clones: leaf size, berry shape, berry size and fruit colour at full maturity. The genetic variation of V. oxycoccos clones from the two populations was assessed using RAPD and SSR. RAPD analysis conducted with 9 primers resulted in 146 polymorphic loci for the total sample, and SSR analysis with 5 primers revealed 29 alleles for the total sample. A greater degree of polymorphism was demonstrated for the Čepkeliai population than for the Žuvintas population. The study allowed the selection of several clones having promising morphological traits for further testing in the field.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2013, 82, 3
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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