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    Wyświetlanie 1-3 z 3
    Tytuł:
    Successful growth of micropropagated ornamental tree forms in northern Finland
    Autorzy:
    Pihlajaniemi, H
    Siuruainen, M.
    Rautio, P.
    Laine, K.
    Peteri, S.-L.
    Huttunen, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/41329.pdf
    Data publikacji:
    2007
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    Finland
    ornamental plant
    tree form
    ornamental tree
    hardiness
    cultivation success
    micropropagation
    horticulture
    Opis:
    Micropropagated trees, Alnus incana f. laciniata, Betula pendula f. crispa, Betula pubescens f. rubra, Populus tremula ‘Erecta’ and Prunus maackii, were studied in a selection experiment at four different study sites in northern Finland. The aim of the field experiment was to identify hardy and valuable special tree forms for northern landscaping based on tree phenology and success. All the trees studied revealed some good characteristics and have potential in northern horticulture. B. pubescens f. rubra (red-leaved downy birch) is especially noted for its excellent winter hardiness and showy appearance at every study site. It is a valuable addition to the tree selection for use in northern landscaping.
    Źródło:
    Dendrobiology; 2007, 57; 63-71
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effects of temperature and exogenous auxin on cutting propagation of some junipers
    Autorzy:
    Güney, D.
    Chavoshi, S.H.
    Bayraktar, A.
    Atar, F.
    Powiązania:
    https://bibliotekanauki.pl/articles/2078276.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    Ornamental plant
    cutting propagation
    greenhouse conditions
    quality seedling
    Opis:
    From past to the present, cultural, medicinal, landscape and culinary use of junipers has contrib- uted to it being one of the most widely distributed woody plants in the world. Therefore, it is so important that finding appropriate production methods to obtain quality seedlings in line with the usage area. In the present study, it was tried to determine the best conditions and applications on propagation by cuttings of three juniper taxa including Juniperus communis L. ‘Hibernica’, Juniperus chinensis L. ‘Stricta’, and Juniperus chinensis L. ‘Stricta Variegata’. For this purpose, two different greenhouse treatments (Greenhouse-1 with the air temperature at 20±2°C, rooting table temperature at 25±2°C and humidity level at 70±2%; Green- house-2 with the air temperature at 20±2°C, rooting table temperature at 20±2°C and humidity level at 70±2%) and different auxin applications (Indole-3-Butyric Acid, Indole-3-Acetic Acid and α-Naphthalene Acetic Acid at concentrations of 3000 and 5000 ppm) were designed. The highest rooting percentages were generally achieved in Greenhouse-1. IAA 5000 ppm treatment for J. communis ‘Hibernica’ (93.33%) and J. chinensis ‘Stricta’ (66.67%, also in Greenhouse-2) and IBA 3000 ppm treatment for J. chinensis ‘Stricta Var- iegata’ (60.00%) showed the best rooting results. This study, in which the best production conditions are investigated in some juniper taxa, is a guiding feature for the producers to ensure the sustainable utilization of junipers.
    Źródło:
    Dendrobiology; 2021, 86; 29-38
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of fulvic and humic organic acids and calcium on growth and chlorophyll content of tree species grown under salt stress
    Autorzy:
    Marosz, A
    Powiązania:
    https://bibliotekanauki.pl/articles/41691.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    tree species
    chlorophyll content
    salinity stress
    ornamental tree
    fulvic organic acid
    humic organic acid
    calcium
    growth
    salt
    soil erosion
    environment pollution
    mineral nutrition
    plant
    physiological process
    Opis:
    The use of salt to malt ice has definite effects on the environment. Some of these environmental effects are: soil erosion, environmental pollution, changes in mineral nutrition or general destruction of the physiological processes of plants. This use of salt has a negative impact on roadside vegetation and sustainability. The objective of the presented study was to investigate the effects of fulvic and humic organic acids as well as the calcium on growth and chlorophyll content of seven tree species grown under salt stress. Two year old seedlings of – Acer campestre, Aer platanoides, Acer pseudoplatanus, Acer tataricum ssp. ginnala, Ginkgo biloba, Platanus ×hispanica 'Acerifolia' and Tilia cordata were planted to plastic pots (2 dm3 vol). They were planted outdoors in a growing medium compound which had high sphagnum peat, grainy sand and composted pine bark. Salinity stress was maintained by irrigating plants with tap water containing 3.3 g NaCl/L H2O. Different organic fertilizers were used to redce the risk of nutritional stress caused by salinity. Salinity in the growing medium limited the growth of two maple species and littleleaf linden. In other species such A. campestre, A. tataricum ssp. ginnala, G. biloba there were no significant differences when compared to the control group of plants. Severe leaf damage was observed on A. paltanoides where leaf burning was seen on up to 30%of the leaf blade surface. The response to salinity of other species like A. pseudoplatanus, A. tataricum ssp. ginnala, and T. cordata was less evident. Humic organic acids applied alone to the growing medium improved the growth of all the maple species when compared to the control group. A calcium had the best effect on the growth of all tested trees except A. tataricum ssp. ginnala and G. biloba. The chlorophyll content index (CCI) differed according to the growing medium treatment and the species. The total CCI ranged from 9.62 for the control plants P. ×hispanica 'Acerifolia' to 52.64 for G. biloba which had been treated with a calcium. Application of organic fertilizers to the salt treated growing medium increased the CCI in many species.
    Źródło:
    Dendrobiology; 2009, 62; 47-53
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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