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    Wyświetlanie 1-4 z 4
    Tytuł:
    Notes on the existence of Swertia dilatata C. B. Clarke (Gentianaceae): An Exomorphological Analysis
    Autorzy:
    Panda, Subhasis
    Powiązania:
    https://bibliotekanauki.pl/articles/1192140.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Swertia dilatata
    S. paniculata
    Gentianaceae
    valid species
    exomorphology
    Opis:
    Swertia dilatata C. B. Clarke is closely related to S. paniculata Wall. in respect with habit, inflorescence, flowers and capsules. Regional Floras viz., Flora of China and Flora of Bhutan merged S. dilatata under S. paniculata due to overlapping exomorphological characters, which in turn followed in regional herbaria in India, Bhutan and China. Recent taxonomists are also accepting S. dilatata as a synonym under S. paniculata. This work authenticates C. B. Clarke’s species, S. dilatata as a separate valid species, should not merge with Wallichian species, S. paniculata based on field cum herbarium-based exomorphological studies.
    Źródło:
    World Scientific News; 2016, 45, 2; 331-341
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    In vitro regeneration of Centaurium erythraea Rafn from shoot tips and other seedling explants
    Autorzy:
    Piatczak, E
    Wysokinska, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/56437.pdf
    Data publikacji:
    2003
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    Centaurium erythraea
    micropropagation
    seedling explant
    shoot tip
    regeneration
    organogenesis
    in vitro
    Gentianaceae
    Opis:
    Various explants from 30-day-old seedlings of Centaurium erythraea Rafn were evaluated for their morphogenetic capacity under in vitro culture conditions. Shoot formation from shoot tip explants was achieved mainly through adventitious bud differentiation. The highest number of shoots (up to 43.3 ± 2.2 from a single shoot tip) was obtained on Murashige and Skoog medium (MS) supplemented with indole-3-acetic acid (IAA) (0.57 μM) and 6-benzylaminopurine (BAP) (4.4 μM). Adventitious shoot regeneration was also achieved through organogenesis from calluses obtained from hypocotyls, cotyledons, roots and leaves on MS medium containing IAA (2.85 μM) and BAP (0.88 μM). Significant differences were noted between explant types in their effects on shoot regeneration. In the primary culture, the best response was obtained either from calluses derived from roots or leaves (44.4 ± 4.5 and 40.2 ± 6.0 shoots per callus, respectively). The number of subcultures of inoculated calluses affected both the multiplication rate (the number of shoots/explant) and shoot morphology (the frequency of shoot hyperhydricity). Shoots rooted with the frequency of 94-100% after culture on MS medium without growth regulators. Plantlets were successfully acclimatized (97%) under high relative humidity and then moved to the greenhouse.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2003, 72, 4
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Lowland station of the Gentiana asclepiadea L. in Mikołow (Silesian Upland, S Poland)
    Autorzy:
    Fojcik, B.
    Wierzgon, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/790591.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Przyrodniczy w Poznaniu
    Tematy:
    Polska
    Silesian Upland
    Mikolow town
    flowering plant
    Gentianaceae
    willow gentian
    Gentiana asclepiadea
    plant species
    plant morphology
    plant distribution
    Opis:
    Gentiana asclepiadea L. is a montane flowering plant species that has a very limited lowland distribution in Poland. The only existing lowland station that is known occurs in the Katowice-Muchowiec (Silesian Upland). In this paper a second station from the Silesian Upland in the Mikołów-Jamna area is described. A single cluster of rare albiflora form was observed within the newly discovered population. Information about the status and distribution of the Willow Gentian in Poland is also given.
    Źródło:
    Steciana; 2015, 19, 1
    1689-653X
    Pojawia się w:
    Steciana
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    In vitro proliferation and ex vitro rooting of microshoots of lisianthus using auxin and cytokinin on solid, liquid and double-phase culture systems
    Autorzy:
    Kaviani, B.
    Bahari, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/12678778.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    plant cultivation
    Gentianaceae
    Eustoma
    Lisianthus
    Eustoma grandiflorum
    ornamental plant
    flowering plant
    rooting
    microshoot
    micropropagation
    in vitro proliferation
    ex vitro method
    soild phase
    liquid phase
    double-phase culture
    plant growth regulator
    auxin
    cytokinin
    Opis:
    A protocol was developed for high frequency and low cost of in vitro shoot proliferation and ex vitro rooting of Eustoma grandiflorum (Gentianaceae) on solid medium. Shoot tips as explants were cultured on Murashige and Skoog (MS) medium enriched with different concentrations of 2,4-dichlorophenoxyacetic acid (2,4-D) (0.00, 0.01, 0.10 and 1.00 mg l–1) and 6-benzylaminopurine (BAP) (0.00, 0.50, 2.00 and 5.00 mg l–1). Three culture media systems (solid, liquid and double-phase) were applied. None of the explants cultured on liquid and double-phase media resulted in live plant production. Maximum axillary shoot number (54.45) was recorded in the plantlets treated with 0.10 mg l–1 2,4-D in combination with 5.00 mg l–1 BAP. Treatment of 0.01 mg l–1 2,4-D along with 0.50 mg l–1 BAP produced maximum node number and internode length. Some shoots produced on medium containing plant growth regulators (PGRs) were rooted in soil. The largest number (5.50/plantlet) and longest length of root (7.75 cm/plantlet) were obtained in ex vitro condition on the base of shoots produced in culture medium enriched with 0.10 mg l–1 2,4-D along with 0.50 mg l–1 BAP. The combination of 1.00 mg l–1 2,4-D and 0.50 mg l–1 BAP was found to be the most suitable PGRs for obtaining the highest callus weight. The most fresh weight was calculated from plantlets grown on the medium containing 0.10 mg l–1 2,4-D along with 5.00 mg l–1 BAP. Maximum dry weight was obtained in free-PGRs medium. About 90% of the rooted plantlets were established successfully in cultivation beds. Acclimatized plants were morphologically similar to the mother plants.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2019, 18, 4; 47-56
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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