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    Wyświetlanie 1-4 z 4
    Tytuł:
    The influence of explants type and orientation on growth and development of Mandevilla sanderi (Hemsl.) Woodson in vitro
    Autorzy:
    Kozak, D.
    Parzymies, M.
    Świstowska, A.
    Marcinek, B.
    Ismael, B.S.
    Powiązania:
    https://bibliotekanauki.pl/articles/12663898.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    plant cultivation
    Brazilian jasmine
    Mandevilla sanderi
    ornamental plant
    flowering plant
    pot plant
    commercial plant
    plant growth
    plant development
    plant regeneration
    explant type
    multiplication
    decapitation
    defoliation
    in vitro culture
    tissue culture
    cultivation experiment
    Opis:
    Mandevilla sanderi is an important commercial ornamental pot plant. Traditional vegetative propagation is limited due to the low rate, therefore there is a need to develop an alternative, more efficient method. There is an interest in development of micropropagation technology for the species, as it allows to obtain a lot of offsprings in a relatively short time. The aim of the present work was to estimate an influence of explants type and position on regeneration of Mandevilla sanderi in tissue culture. Four different types of explants (leafy shoot tips, decapitated leafy shoot tips, defoliated shoot tips, decapitated and defoliated shoot tips) were used in the experiment, which were placed on the media vertically, while defoliated shoot tips were placed horizontally or vertically upside down. The explants were cultivated on a Murashige and Skoog (MS) medium supplemented with 1 mg·dm–3 benzyladenine (BA) and 0.5 mg·dm–3 indole-3-butyric acid (IBA). It was noted that both explants orientation and positioning, influenced the multiplication rate. Defoliated shoot tips placed horizontally were characterized by higher multiplication rate (6.8) in comparison to upside down vertical positioning (3.2). It was also observed that removal of shoot apex improved axillary branching, while defoliation of shoots placed in a normal position reduced multiplication rate.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2019, 18, 4; 111-119
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of salinity on growth and organic compounds content of carrot (Daucus carota L.)
    Autorzy:
    Shiyab, S.
    Al-Qarallah, B.
    Akash, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/12691227.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    plant cultivation
    carrot
    Daucus carota
    Jordan cultivar
    Napoli cultivar
    vegetable
    plant growth
    plant development
    organic compound
    organic compound content
    relative water content
    sodium chloride
    salinity
    salinity impact
    salinity tolerance
    salt stress
    saline soil
    saline water
    cultivation experiment
    long-term experiment
    Opis:
    Carrot production of valuable carotenes, carbohydrate and protein are hindered by elevated salinity levels in many parts of the world. To assess this problem, germination and growth of two carrot cultivars (Daucus carota cvs Jordan and Napoli) were studied in vivo and in vitro under different salt stress concentrations (0, 75, and 150 mM NaCl). Seeds were directly or gradually exposed to these salt concentrations. With elevated salinity levels, significant reductions in growth parameters (dry shoot weight, fresh shoot weight, shoot length, root length, and root number) were observed. Also, significant difference in germination percentage was observed at 150 mM NaCl in both cultivars when compared with control treatment (90% germination percentage in Napoli and 71% in Jordan cultivar). Growth rate, tolerant index, and relative water content (RWC) declined as salinity increased. The 150 mM NaCl salinity treatment significantly reduced the shoot chlorophyll and protein content, but increased carbohydrate content. Lesser impairment by the gradual exposure of seedling to salinity provides an opportunity to study the acquirement of salt tolerance.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2019, 18, 6; 85-96
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of several Asian pear cultivars in the climatic conditions of Lower Silesia
    Autorzy:
    Sosna, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/11888047.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    Lower Silesian region
    plant cultivation
    Asian pear
    Chojuro cultivar
    Hosui cultivar
    Kosui cultivar
    Nijisseiki cultivar
    Pyrus pyrifolia
    Shinseiki cultivar
    Shu Li cultivar
    fruit tree
    plant cultivar
    plant growth
    plant yield
    fruit yield
    blooming
    cultivar evaluation
    climate condition
    cultivation experiment
    Opis:
    The Asian pear tree (Nashi), originated in China and Japan, where it is commonly grown. In Europe, in Poland in particular, it remains almost unknown, despite the fact that its cultivation has been proven to be possible there. The aim of the experiment – carried out between 2008 and 2015 at the Fruit Experimental Station Samotwór, next to Wrocław – was to evaluate the growth intensity and yielding of several Asian pear tree cultivars: ‘Kosui’, ‘Shinseiki’, ‘Nijisseiki’, ‘Chojuro’, ‘Hosui’, and ‘Shu Li’; as well as the quality and biological value of their fruits. ‘Conference’, which is widespread in Europe, was chosen as the control variety. ‘Conference’, ‘Shu Li’, and ‘Hosui’ showed highest growth intensity, whereas the trees of ‘Shinseiki’ were the smallest. In terms of yields over the period of eight years following the planting, ‘Chojuro’ and ‘Shinseiki’ performed best, while the least fruits were obtained from the ‘Nijisseiki’ cultivar. Significantly heaviest and biggest fruits were collected from the Chinese ‘Shu Li’ cultivar. In 2012, Nashi fruits had similar carotenoid, calcium, and magnesium contents as the fruits of ‘Conference’.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2018, 17, 1; 107-114
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Abundance and community structure of ammonia oxidizing archaea and bacteria in response to peanut growth under controlled condition in Shandong, China
    Autorzy:
    Huang, C.
    Xu, N.
    Fu, Z.
    Sun, B.
    You, S.
    Ma, D.
    Yu, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/12689395.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    China
    plant cultivation
    peanut
    Arachis hypogaea
    plant growth
    community structure
    microorganism abundance
    ammonia-oxidizing bacteria
    ammonia-oxidizing archaea
    field experiment
    three-year field experiment
    controlled condition
    Opis:
    Based on a three-year field experiment under controlled condition in Ji’nan, China, the effects of peanut growth on the variation in the abundance and community structure of ammonia oxidizing bacteria (AOB) and archaea (AOA) before and after peanut growth were investigated through quantitative PCR and cluster analysis of terminal-restriction fragment length polymorphism. Our results show that the community composition of AOA and AOB was greatly affected by the peanut growth leading to the decreased abundance of AOA and increased abundance of AOB. Furthermore, AOA and AOB community structures varied before and after peanut growth. Phylogenetic analysis indicated that all AOA and AOB community sequences were clustered into the uncultured group. Altogether, the results suggested that the abundance of AOA and AOB in soil and their community compositions can be greatly affected by the peanut growth.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2019, 18, 6; 119-127
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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