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Wyszukujesz frazę "seed germination dynamics" wg kryterium: Temat

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    Wyświetlanie 1-4 z 4
    Tytuł:
    Influence of corona discharge field on seed viability and dynamics of germination
    Autorzy:
    Lynikiene, S.
    Pozeliene, A.
    Rutkauskas, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/26555.pdf
    Data publikacji:
    2006
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    corona discharge field
    viability
    germination dynamics
    seed viability
    Źródło:
    International Agrophysics; 2006, 20, 3
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Contribution to the characteristic of Cladium mariscus [L.] Pohl population in the initial zone of floating mat on an oligo-humotrophic lake in North-Eastern Poland
    Autorzy:
    Namura-Ochalska, A
    Powiązania:
    https://bibliotekanauki.pl/articles/56588.pdf
    Data publikacji:
    2005
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    capacity
    Cladium mariscus
    Polska
    spatial structure
    oligo-humotrophic lake
    clonal growth
    population dynamics
    seed germination
    diaspore production
    Opis:
    In the initial phase of growth in an oligo-humotrophic lake, Cladium mariscus forms a dense and tall sawgrass bed invading the open water in the form of a floating mat. High densities of submerged evergreen perennial stems of C. mariscus, over two metres high and abundantly fruiting, ensure its persistence, and form a natural barrier to the invasion of other species. Dense mats of sawgrass are formed as a result of clonal and rhizome growth. Although diaspore production is abundant under natural conditions, only vegetative propagation of stems was observed. In different variants of the experiment only seeds wintering on stems of mother plants were capable of germinating. Hard seed coats had an important effect on the germination capacity of seeds.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2005, 74, 2
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Prolongirovannye ehffekty opticheskogo izluchenija krasnogo diapazona v period prorastanija semjan
    Prolonged effect of optical radiation of a red range during the germination of seeds
    Autorzy:
    Pankova, O.
    Fesenko, A.
    Bezpalko, V.
    Lisichenko, N.
    Golovan, L.
    Romanova, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/76435.pdf
    Data publikacji:
    2015
    Wydawca:
    Komisja Motoryzacji i Energetyki Rolnictwa
    Tematy:
    seed treatment
    germination energy
    endosperm
    dynamics
    dry mass
    sprout
    starch
    monosaccharide
    Źródło:
    Motrol. Motoryzacja i Energetyka Rolnictwa; 2015, 17, 7
    1730-8658
    Pojawia się w:
    Motrol. Motoryzacja i Energetyka Rolnictwa
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Influence of Soil Contamination with Diesel Oil on Germination Dynamics and Seedling Development of Selected Species of the Fabaceae family
    Autorzy:
    Pawluśkiewicz, Bogumiła
    Gnatowski, Tomasz
    Janicka, Maria
    Powiązania:
    https://bibliotekanauki.pl/articles/123318.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    Fabaceae family
    soil pollution
    diesel oil
    seed germination dynamics
    nonlinear function
    radicle
    Opis:
    The aim of the study was to determine the effect of soil contamination with diesel oil on the early development of three species of the Fabaceae family (Medicago lupulina L., Lotus corniculatus L., Trifolium repens L.). These species have a wide ecological range and they often occur on extensively used lawns. For these reasons, the knowledge on their tolerance to soil pollution with diesel oil can be of great importance in the creative and conservative cultivation of these plant species and their seed production for establishing the greenery of communication routes. The studies were carried out under controlled laboratory conditions. The soil substrates were composed of the loamy sand mixed with diesel oil in an amount of 2.5 g and 5.0 g per 1 kg of absolute dry mass of soil. The germination dynamics were analyzed. The measurements were conducted twice a day for 12 days after sowing. The development of seedlings was determined on the basis of the length, diameter, area and volume of the radicle. These features were determined on 20-day-old seedlings of the tested species. For the analysis of plant material, the technique of the scanned image was used in the “WinRhizo PRO 2009” software. It was proven that the tested species have various tolerances for the petrol oil in the soil and demonstrate various defense mechanisms under the stress conditions. The least changes of the seed germination rate on the soil with diesel oil against the control were indicated for L. corniculatus. The defense strategy of that species relied on the radicle development through increasing the diameter and – in consequence – the surface and the volume. M. lupulina also showed good germination capacity in the presence of diesel oil, but the radicle was shorter in comparison to the control. The germination rate of T. repens in the contaminated soil was significantly reduced. The recommendation for using not only L. corniculatus, but also M. lupulina on the contaminated areas should be taken into consideration.
    Źródło:
    Journal of Ecological Engineering; 2020, 21, 1; 210-218
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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