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    Wyświetlanie 1-7 z 7
    Tytuł:
    Influence of Chloride Salinity on Cadmium uptake by Nicotiana tabacum in a Rhizofiltration System
    Autorzy:
    Lopez-Chuken, Ulrico Javier
    Barceló-Quintal, Icela Dagmar
    Ramirez-Lara, Evangelina
    Cantu-Cardenas, Maria Elena
    Villarreal-Chiu, Juan Francisco
    Beltran-Rocha, Julio Cesar
    Guajardo-Barbosa, Claudio
    Castillo-Zacarias, Carlos Jesus
    Gomez-Salazar, Sergio
    Orozco-Guareno, Eulogio
    Powiązania:
    https://bibliotekanauki.pl/articles/1845418.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    cadmium
    chloride-complexes
    root surface area
    leaf surface area
    hydroponics
    biotic ligand model
    Opis:
    A hydroponic trial was conducted to study the effect of chloride salinity in simulated effluent on Cd accumulation by tobacco. Leaf surface area (LSA) and root surface area (RSA) measurements were incorporated as possible determinants of Cd uptake rate by plants. Results showed that individual plant differences in Cd content were normalized when including RSA to express Cd uptake rates by plants but not including LSA. A biotic ligand model (BLM) fitted to predict Cd uptake, estimated active and almost linear uptake of the free Cd2+ ion by tobacco plants, while virtually no changes in the chloride complex (CdCl+) uptake were predicted, presumably due to a rapid saturation of the hypothetical root sorption sites at the concentrations used in this trial. Nicotiana tabacum var. K326 is evidenced to be a species potentially suitable for biological wastewater treatment using rhizofiltration at concentrations commonly found in salt-affected wastewater, with high Cd accumulation (185 to 280 mg/kgdm) regardless of water salinity and tolerance up to 80 mmol/L NaCl.
    Źródło:
    Archives of Environmental Protection; 2021, 47, 1; 35-40
    2083-4772
    2083-4810
    Pojawia się w:
    Archives of Environmental Protection
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Initial stages of host-pathogen interaction between Pinus sylvestris seedling roots and the P-, S- and F-intersterility group isolates of Heterobasidion annosum
    Autorzy:
    Werner, A
    Lakomy, P.
    Idzikowska, K.
    Zadworny, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/41681.pdf
    Data publikacji:
    2005
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    Pinus sylvestris
    seedling root
    Heterobasidion annosum
    host-pathogen interaction
    adhesion
    hyphal growth
    penetration
    root surface
    Opis:
    Prepenetration and penetration phenomena after inoculation of roots of Pinus sylvestris seedlings grown in vitro with the P-, S- and F-group isolates of Heterobasidion annosum were observed using scanning electron microscop. There were no differences in the behaviour of hyphae and in the appearence of mycelia formed by the three IS-group isolates. Four types of the root penetration by hyphae were observed. In the first, the entrace of hypha into root was achieved throught tiny pore formed in walls of the cortical cells. In the second, swellings resembling appressoria were formed by the hyphal tips at the points of contact with the root surface. In the third, the hyphae penetrated cells through holes in eroded areas of roots, and in the fourth by the natural crevices at points of the cortical cell junctions. It is concluded that the different frequencies of the four types of penetration observed after inoculation with isolates of the three IS group should be carefully explained in term of their different pathogenic and saprobic capabilities on pine.
    Źródło:
    Dendrobiology; 2005, 54; 57-63
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Early stage development of IS-group isolates of Heterobasidion annosum on Abies alba roots - scanning electron microscopical studies
    Autorzy:
    Werner, A
    Lakomy, P.
    Idzikowska, K.
    Zadworny, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/41782.pdf
    Data publikacji:
    2006
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    Abies alba
    root
    Heterobasidion annosum
    isolate
    early stage
    scanning electron microscopy
    adhesion
    hypha behaviour
    root surface
    Opis:
    The growth of hyphae and prepenetration phenomena on Abies alba roots after inoculation with the P-, S- and F-group isolates of Heterobasidion annosum were observed using scanning electron microscope. Elongated hyphae emanating from the inocula grew indiscriminately across and along root tips and entered the cortical cells randomly, while in subapical root areas they quite often grew along grooves at points of cell junctions. The ridges, folds and depressions seen on the root surface obviously directed the hyphal growth and their further entrance into roots through natural crevices or cracks. Although hyphae of all the isolates could penetrate the roots directly through small openings, the hyphae of the F isolate penetrated preferably more eroded and older parts of roots. A peculiar habit of the direct penetration, characterized by formation a structure resembling infection peg, was observed only after inoculation with the P and S isolates. It is suggested that specifically frequent penetration the roots in eroded areas by the hyphae of the F isolate may be one of the factors connecting with its lower pathogenic capabilities.
    Źródło:
    Dendrobiology; 2006, 55; 57-63
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Changes in the size of the apparent surface area and adsorption energy of the rye roots by low pH and the presence of aluminium ions induced
    Autorzy:
    Szatanik-Kloc, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/26621.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    size change
    apparent surface area
    surface area
    adsorption energy
    rye
    root
    pH
    aluminium ion
    Źródło:
    International Agrophysics; 2016, 30, 3
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of adsorption methods to determine the effect of pH and Cu-stress on the changes in the surface properties of the roots
    Autorzy:
    Szatanik-Kloc, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/25964.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    adsorption method
    adsorption energy
    water vapour
    determination
    pH
    copper
    plant stress
    surface property
    root
    plant root
    Opis:
    Rye plants were grown in a nutrient solution prepa- red according to Hoagland for 2 weeks at pH 7, next for 14 days at pH 4.5 (without Cu+2) and in the presence of 20, 50, or 100 mg dm-3 copper ions. The control plants were grown continuously at pH 7. The physicochemical surface properties of the roots were exa- mined using two adsorbates – polar (water vapour) and non-polar (nitrogen). The surface properties of the roots grown at pH 4.5 without Cu+2 were apparently the same as those of controls. The roots of rye which grew in the presence of Cu+2 were characte- rized by lower (relative to controls) specific surface area values. Statistically significant differences in the size of the apparent surface area (determined by water vapour) were reported for roots in- cubated with copper ions at a concentration of 20 and 50 mg dm-3. The average water vapour adsorption energy of the root surface decreased under the stress conditions. There were no statistically significant differences for the free surface area and characteristic energy of nitrogen adsorption.
    Źródło:
    International Agrophysics; 2014, 28, 4
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of the laser exposure of seeds on the yield and chemical composition of sugar beet roots
    Autorzy:
    Koper, R.
    Wojcik, S.
    Kornas-Czuczwar, B.
    Bojarska, U.
    Powiązania:
    https://bibliotekanauki.pl/articles/24692.pdf
    Data publikacji:
    1996
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    laser biostimulation
    soil surface
    yield
    chemical composition
    root
    sugar-beet
    seed
    Źródło:
    International Agrophysics; 1996, 10, 2
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Environmental aspects of soil surface sealing and compaction
    Autorzy:
    Debicki, R
    Lipiec, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/802969.pdf
    Data publikacji:
    1993
    Wydawca:
    Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
    Tematy:
    root system
    soil erosion process
    erosion
    wind erosion
    compaction
    soil surface
    environmental aspect
    plant growth
    physical degradation
    irrigation water
    Opis:
    The paper presents some environmental impacts caused by two important factors of physical degradation of the soil, i.e., soil surface sealing/crusting phenomena and soil compaction. It can be concluded that despite numerous literature on the subject as well as the Authors' own data collected in model laboratory and field experiments, it is still difficult to judge to what extent the effects of those two processes are negative for both the soil environment and the plant growth.
    Źródło:
    Zeszyty Problemowe Postępów Nauk Rolniczych; 1993, 400
    0084-5477
    Pojawia się w:
    Zeszyty Problemowe Postępów Nauk Rolniczych
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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