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    Wyświetlanie 1-15 z 15
    Tytuł:
    Evaluation of antioxidant activity of in vitro propagated medicinal Ceratophyllum demersum L. extracts
    Autorzy:
    Emsen, B.
    Dogan, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/11887732.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    plant cultivation
    Ceratophyllaceae
    hornwort
    Ceratophyllum demersum
    plant propagation
    in vitro propagation
    plant regeneration
    plant extract
    antioxidant activity
    methanol extract
    metal chelating
    medicinal use
    reducing power
    Opis:
    Ceratophyllum demersum L. is a medical plant of the family Ceratophyllaceae that has been traditionally used for the treatment of diseases such as ulcer, diarrhoea, wounds and fever since ancient times. This study presents antioxidant activities of water and methanol extracts of in vitro propagated C. demersum. Shoot tip explants of C. demersum for in vitro plant regeneration were cultured on liquid Murashige and Skoog (MS) medium containing 0.25–1.25 mg/L 6-Benzylaminopurine (BAP) and 0.10 mg/L Thidiazuron (TDZ) combinations for eight weeks. Maximum number of plantlets per explant (110.67) was obtained on MS medium supplemented with 0.75 mg/L BAP + 0.10 mg/L TDZ. In order to determine antioxidant activities of C. demersum, antioxidant contents (β-carotene, flavonoid, lycopene and total phenols), metal chelating and reducing power capacities of methanol and water extracts obtained from C. demersum were investigated. It was detected that water extract was more effective in all activities. Total phenols (76.55 μg/mg) in water extract were measured as the highest antioxidant component. Based on the water extracts data, as IC50 value for chelating on ferrous ions was 9.24 mg/mL, EC50 value for reducing power activity was 8.23 mg/mL. It was also determined that the metal chelating and reducing power activities of the both extracts are increased depending on the concentration. Therefore, all these data suggest that both tested extracts of in vitro propagated C. demersum would exert beneficial effects by virtue of their antioxidant properties and may be utilized as a promising source of therapeutics.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2018, 17, 1; 23-33
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Existence of p-Adic Quasi Gibbs Measures for Mixed Type p-Adic Ising λ-Model
    Autorzy:
    Dogan, M.
    Akin, H.
    Mukhamedov, F.
    Powiązania:
    https://bibliotekanauki.pl/articles/1398800.pdf
    Data publikacji:
    2016-04
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    05.50.+q
    02.20.Qs
    Opis:
    We consider nearest-neighbors and next nearest-neighbors p-adic Ising λ-model with spin values {∓ 1} on a Cayley tree of order two. First we prove that the model satisfies the Kolmogorov consistency condition and then we prove that the nonlinear equation corresponding to the model has at least two solutions in $Q_{p}$, where p is a prime number p ≥ 3. One of the roots is in $ε_{p}$ and the others are in $Q_{p}$\$ε_{p}$. If the nonlinear equation has more than one non-trivial solutions for the model then we conclude that p-adic quasi Gibbs measure exists for the model.
    Źródło:
    Acta Physica Polonica A; 2016, 129, 4; 861-864
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Secondary Electron Distribution of Atmospheric Nitrogen Molecule by 350 eV Electron Impact
    Autorzy:
    Ozer, Z.
    Ulu, M.
    Dogan, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1398662.pdf
    Data publikacji:
    2016-01
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    34.80.Gs
    Opis:
    Electron collisions with nitrogen molecules have an important role for example in ionospheric and auroral phenomena in the upper atmosphere of the Earth. These processes are important in electrical discharges involving atmospheric gases. Due to the key features electron collisions with N₂ have been under particular interest and extensively studied for last decades. Cross-section data is extremely useful in understanding the systematic of the ionization process. Since the earliest cross-section measurements of N₂, there have been a great number of improvements and new developments on theoretical and experimental methods. A crossed-beam apparatus so called electron spectrometer that has an effusive gas source and electron gun is used to obtain the cross-sections. Scattered and ejected electrons are analyzed by hemispherical electron analyzer. Here we report recent measurements of double differential cross-section for N₂ as a function of electron angle at incident electron energy of 350 eV.
    Źródło:
    Acta Physica Polonica A; 2016, 129, 1; 20-22
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Double Differential Cross-Section Measurements for Electron Impact Ionization of Helium
    Autorzy:
    Özer, Z.
    Olgaç, F.
    Ulu, M.
    Doğan, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1399891.pdf
    Data publikacji:
    2013-02
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    34.80.Dp
    Opis:
    The single ionizing collision with an incident electron and atom/molecules ends up two kinds of outgoing electrons called scattering and ejected electrons. As a feature of electron impact ionization these two electrons are indistinguishable. Double differential cross-sections can be obtained by the measurements of energy and angular distributions of one of the two outgoing electrons by a detector. In this perspective, we used He target that is reasonable to expect to understand ionization mechanisms of atomic systems. We have measured double differential cross-sections for asymmetric geometry for different kinematical situations. The experiments are carried out on a newly developed electron spectrometer constructed in Afyonkarahisar, Turkey.
    Źródło:
    Acta Physica Polonica A; 2013, 123, 2; 361-362
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Observing Quantum Level Interference Effects with Electron Spectrometer
    Autorzy:
    Özer, Z.
    Ulu, M.
    Aktaş, B.
    Doğan, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1399893.pdf
    Data publikacji:
    2013-02
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    34.80.Dp
    34.50.Gb
    Opis:
    The existence of Young-type interference patterns has been recently searched in triple differential cross-sections for single ionization of $H_2$ molecules by electron impact, and theoretically supported by calculations obtained by different models. The appearance of interference effects arising from the two-centre geometry of diatomic molecule. These effects seen in triple differential cross-sections are described by interference factor in analogy with light waves. In this work, we discuss about that the interference factor for molecular structure of $H_2$ may reproduce Young-type interference patterns depending on scattering angle, initial and ejected electron energies in triple differential cross-sections. Differences are expected in the triple differential cross-sections spectra of ejected electrons according to kinematical conditions imposed by scattering angle and electron energy.
    Źródło:
    Acta Physica Polonica A; 2013, 123, 2; 363-364
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Measurement of Double Differential Cross-Section for Electron Impact Ionization of Argon at 348 eV
    Autorzy:
    Bozkurt, G.
    Yavuz, M.
    Ozer, Z.
    Dogan, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1195074.pdf
    Data publikacji:
    2014-02
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    34.80.Dp
    Opis:
    In this study, we report the angular distribution of double differential cross sections of ejected electrons from Ar in intermediate energy region. Double differential cross-sections for electron impact ionization of argon have been measured at 348 eV. A hemispherical energy analyzer is used to analyze the ejected electrons with energies between 25 and 325 eV and angles between 25° and 130°.
    Źródło:
    Acta Physica Polonica A; 2014, 125, 2; 343-344
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of Different Calcium Precursors on Biomimetic Hydroxyapatite Powder Properties
    Autorzy:
    Karakaş, A.
    Hazar Yoruç, A.
    Ceylan Erdoğan, D.
    Doğan, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1491413.pdf
    Data publikacji:
    2012-01
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    87.85.J-
    Opis:
    Hydroxyapatite is the main component of human hard tissues such as bones and teeth. Because it has a great biocompatibility with human organism, it is used as biomaterial with the purpose of form and repair hard tissues. Hydroxyapatite is formulated as $Ca_{10}(PO_4)_6(OH)_2$ and shows high stability under physiological conditions. In this study, biomimetic hydroxyapatite powder has been synthesized using by synthetic body fluids which has the same composition as human blood plasma. Moreover, the effect of different precursors on properties of synthesized powders has been investigated. For that purpose calcium nitrate tetrahydrate $[Ca(NO_3)_2 ·4H_2O]$, calcium chloride $[CaCl_2]$, calcium hydroxide $[Ca(OH)_2]$ and diammonium hydrogen phosphate $[(NH_4)_2HPO_4]$ were used as precursors. Mainly literature focused on the synthesis of hydroxyapatite powders was carried out using chemical method. However, in this study, the synthesis of hydroxyapatite powder is carried out using biomimetic method. Chemical structures of synthesized powders have been investigated by the Fourier transform infrared and X-ray diffraction methods. Results showed that synthesized powders have a pure hydroxyapatite structure. Surface area of the synthesized powders was measured by the Brunauer-Emmett-Teller method. Morphological structures have been characterized by using scanning electron microscopy. Furthermore, particle size of powders was calculated using the Brunauer-Emmett-Teller method. It was clearly seen that morphological properties of biomimetic hydroxyapatite have affected the use of different calcium precursors.
    Źródło:
    Acta Physica Polonica A; 2012, 121, 1; 236-239
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Double Differential Cross-Section Measurements for Methane Molecule at 350 eV
    Autorzy:
    Yavuz, M.
    Isik, N.
    Ozer, Z.
    Ulu, M.
    Doğan, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1194671.pdf
    Data publikacji:
    2014-02
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    34.80.Gs
    Opis:
    Double differential cross-sections have been measured after ionizing electron collisions with methane at primary energy of 350 eV using a conventional electron spectrometer. An electrostatic analyzer was used to measure angular distributions of secondary electrons with energies between 25 eV and 300 eV. Angles of emission were 25° to 130°. It was found that the outgoing electrons belong to one of the two energetically separated groups, either the fast electrons which are scattered mainly in forward direction or the slow electrons which are distributed isotropically into all angles. For higher ejection energies the maxima shifted towards smaller angles as expected from binary type collision.
    Źródło:
    Acta Physica Polonica A; 2014, 125, 2; 442-444
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Measurements of Double Differential Cross-Sections for He at Intermediate Energy
    Autorzy:
    Ozer, Z.
    Olgac, F.
    Ulu, M.
    Aktas, B.
    Dogan, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1194824.pdf
    Data publikacji:
    2014-02
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    34.80.Dp
    Opis:
    Detailed studies on ionization of atoms and molecules by electron impact have made numerous contributions to understanding of the structure of atoms and molecules including the interaction between particles. After a ionizing collision a scattered electron, an ejected electron and a recoil ion is formed. Doubly differential cross-sections give detailed information for one of the outgoing electrons. In this study, we report the angular distribution of double differential cross-sections of ejected electrons from He in intermediate energy region.
    Źródło:
    Acta Physica Polonica A; 2014, 125, 2; 341-342
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparison of Experimental and Theoretical Double Differential Cross Sections of CH₄ at 250 eV Impact Energy
    Autorzy:
    Isik, N.
    Yavuz, M.
    Aksoy, E.
    Ozer, Z.
    Ulu, M.
    Sahlaoui, M.
    Boumediene, L.
    Bouamoud, M.
    Dogan, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1401296.pdf
    Data publikacji:
    2015-04
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    34.80.Gs
    Opis:
    In this study, experimental and theoretical double differential cross section (DDCS) data for methane-electron interaction mechanism after the impact of a 250 eV electron have been comprehensively determined for a wide energy range of the detected electron, from 50 to 225 eV. The first Born-One Coulomb wave modeling with Gamow factor has been calculated to analyze experimental DDCS results for a correct description of the electron impact ionization of methane molecule. It is found that these theoretical calculations are successful to describe the post-collision interaction effects due to the Coulomb long-range interaction between the outgoing electrons in the final state. A considerable agreement is found between experimental and theoretical results.
    Źródło:
    Acta Physica Polonica A; 2015, 127, 4; 1112-1114
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Immobilization of Lycinibacillus fusiformis B26 cells in different matrices for use in turquoise blue HFG decolourization
    Autorzy:
    Dogan, N. M.
    Sensoy, T.
    Doganli, G. A.
    Bozbeyoglu, N. N.
    Arar, D.
    Akdogan, H. A.
    Canpolat, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/204696.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    agar
    calcium alginate
    decolourization
    FTIR
    immobilization
    pumice
    Opis:
    The decolourization of Turquoise Blue HFG by immobilized cells of Lysinibacillus fusiformis B26 was investigated. Cells of L. fusiformis B26 were immobilized by entrapment in agar and calcium alginate matrices and attached in pumice particles. The effects of operational conditions (e.g., agar concentrations, cell concentrations, temperature, and inoculum amount) on microbial decolourization by immobilized cells were investigated. The results revealed that alginate was proven to be the best as exhibiting maximum decolourization (69.62%), followed by agar (55.55%) at 40°C. Pumice particles were the poorest. Optimum conditions for agar matrix were found: concentration was 3%, cell amount was 0.5 g and temperature was 40°C (55.55%). Ca-alginate beads were loaded with 0.5, 1.0 and 2.0 g of wet cell pellets and the highest colour removal activity was observed with 2.0 g of cell pellet at 40°C for alginate beads. Also, 0.5 and 1.0 g of pumice particles that were loaded with 0.25 and 0.5 g of cell pellets respectively were used and the results were found very similar to each other.
    Źródło:
    Archives of Environmental Protection; 2016, 42, 2; 92-99
    2083-4772
    2083-4810
    Pojawia się w:
    Archives of Environmental Protection
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sedimentology and Diagenesis of the Miocene Nutaysh Member of the Burqan Formation in the Midyan Area, Northwestern Saudi Arabia
    Autorzy:
    Al-Ramadan, K.
    Dogan, A.
    Senalp, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2060020.pdf
    Data publikacji:
    2013
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Turbidite
    lithofacies
    diagenesis
    Early Miocene
    Saudi Arabia
    Opis:
    Turbidite sandstones deposited in rift settings are currently among the main targets of hydrocarbon exploration. However, the impact of style of sedimentation, cyclicity and diagenesis on reservoir quality of such sandstones is relatively poorly explored in the literature. The sedimentology, stratigraphic architecture, and diagenetic alterations of deep marine sandstones of the Mocene Nutaysh member of the Burqan Formation in the Midyan area (Saudi Arabia) are described based on number of measured sedimentologic sections, lithofacies identification in the field and laboratory studies. Three lithofacies types are here identified in the measured sections. These are from bottom to top: (1) “Lithofacies A” consisting of massive to thickly-bedded, coarse-to-very coarse-grained sandstone and conglomerates; (2) “Lithofacies B” consisting of well-bedded, coarse-to-medium-grained, well-sorted sandstone, and (3) “Lithofacies C” consisting of thin-bedded, fine to very fine-grained, current-rippled sandstone, bioturbated shaley siltstone and marl. The main diagenetic processes in the sandstones include the formation of grain-coating smectite and rhombic dolomite. Small amounts of cements include the formation of authigenic kaolinite and calcite. The reservoir quality is anticipated to have been preserved under the transformation of smectite to deep burial illite, which is believed to prevent formation of quartz cements.
    Źródło:
    Geological Quarterly; 2013, 57, 1; 165--174
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Determination of X-Ray Total Attenuation Coefficient in Zr, Ag, In for Energy Range Between 10.5-111.9 keV
    Autorzy:
    Turgut, Ü.
    Büyükkasap, E.
    Şimşek, Ö.
    Ertuğrul, M.
    Doğan, O.
    Powiązania:
    https://bibliotekanauki.pl/articles/1968894.pdf
    Data publikacji:
    1998-05
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    32.80.-t
    Opis:
    The total X-ray attenuation coefficients in elements Zr, Ag, and In for K$\text{}_{α}$ and K$\text{}_{β}$ characteristic lines of elements with different Z (33 ≤ Z ≤ 92) were estimated by measuring attenuation in transmission method. The intensity of K X-rays was monitored by a Ge(Li) detector with energy resolution 190 eV at 5.9 keV. The experimentally measured attenuation coefficients were found in good agreement with the theoretical values of attenuation coefficients calculated by Storm, Israel and Hubbell, Seltzer.
    Źródło:
    Acta Physica Polonica A; 1998, 93, 5-6; 693-700
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Attenuating effects of caffeic acid phenethyl ester with intralipid on hepatotoxicity of chlorpyrifos in the case of rats
    Łagodzące działanie estru fenetylowego kwasu kawowego z intralipidem na hepatotoksyczność chloropyrifosu u szczurów
    Autorzy:
    Dokuyucu, Recep
    Bilgili, Ali
    Hanedan, Basak
    Dogan, Hatice
    Dokuyucu, Ahmet
    Celik, Muhammed M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2164237.pdf
    Data publikacji:
    2016-12-22
    Wydawca:
    Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
    Tematy:
    apoptoza
    stres oksydacyjny
    wątroba
    szczury
    chloropyrifos
    ester fenetylowy kwasu kawowego
    Apoptosis
    Oxidative stress
    liver
    rats
    chlorpyrifos
    caffeic acid phenethyl ester
    Opis:
    Background Chlorpyrifos (CPF), insecticide widely used in agriculture, may cause poisonings in the case of humans. As a result, there is a large amount of treatment research underway to focus on the possibility of chlorpyrifos induced poisonings. The aim of this study has been to evaluate the effects of caffeic acid phenethyl ester (CAPE) and intralipid (IL) on hepatotoxicity induced by chlorpyrifos in the case of rats. Material and Methods The rats in this study were treated with CPF (10 mg/kg body weight (b.w.), orally), CAPE (10 μmol/kg b.w., intraperitoneally), IL (18.6 ml/kg b.w., orally), CPF+CAPE, CPF+IL, and CPF+CAPE+IL. The plasma total oxidant capacity (TOC), total antioxidant capacity (TAC) were measured and the oxidative stress index (OSI) was calculated. Liver histopathology and immunohistochemical staining were performed. Results Chlorpyrifos statistically significantly decreased the TAC levels in the rats’ plasma and increased the apoptosis and the TOC and OSI levels. In the chlorpyrifos induced liver injury, CAPE and CAPE+IL significantly decreased the plasma OSI levels and the apoptosis, and significantly increased the plasma TAC levels. Conclusions This study revealed that CAPE and CAPE+IL attenuate chlorpyrifos induced liver injuries by decreasing oxidative stress and apoptosis. Med Pr 2016;67(6):743–749
    Wstęp Chloropiryfos (CPF), środek owadobójczy szeroko stosowany w rolnictwie, może powodować zatrucia u ludzi. Z tego powodu prowadzi się wiele badań dotyczących możliwości leczenia zatrucia chloropiryfosem. Celem pracy była ocena wpływu estru fenetylowego kwasu kawowego (caffeic acid phenethyl ester – CAPE) i intralipidu (IL) na uszkodzenia wątroby u szczurów wywołane przez chloropiryfos. Materiał i metody Szczurom podawano CPF (10 mg/kg masy ciała (mc.), doustnie), CAPE (10 μmol/kg mc., dootrzewnowo), IL (18,6 ml/kg mc., doustnie), CPF+CAPE, CPF+IL oraz CPF+CAPE+IL. Zmierzono całkowitą zdolność utleniającą (total oxidant capacity – TOC) i całkowitą zdolność przeciwutleniającą (total antioxidant capacity – TAC) osocza krwi i obliczono wskaźnik stresu oksydacyjnego (oxidative stress index – OSI). U zwierząt wykonano także badanie histopatologiczne i barwienie immunohistochemiczne tkanek wątroby. Wyniki Chloropiryfos istotnie zmniejszał u badanych szczurów TAC osocza, a zwiększał apoptozę, TOC i OSI. Natomiast CAPE i CAPE+IL istotnie zmniejszały OSI osocza i apoptozę, a zwiększały TAC osocza u szczurów z uszkodzeniami wątroby wywołanymi przez chloropiryfos. Wnioski Badanie wykazało, że CAPE i CAPE+IL poprzez zmniejszenie stresu oksydacyjnego i apoptozy redukują u szczurów uszkodzenia wątroby wywołane przez chloropiryfos. Med. Pr. 2016;67(6):743–749
    Źródło:
    Medycyna Pracy; 2016, 67, 6; 743-749
    0465-5893
    2353-1339
    Pojawia się w:
    Medycyna Pracy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Vine growth and yield response of Alphonse Lavallee (V. vinifera L.) grapevines to plant growth promoting rhizobacteria under alkaline condition in soilless culture
    Autorzy:
    Sabir, A.
    Karaca, U.
    Yazar, K.
    Sabir, F.K.
    Atilla Yazici, M.
    Dogan, O.
    Kara, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/11855244.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Opis:
    High carbonate content in soil negatively affect plant growth, because the availability of nutrients is restricted due to high pH. The present investigations were carried out to reveal possible alleviating effects of the exogenous root inoculation PGPRs on development and physiology of soilless-grown grapevines cultivated under alkaline stress in controlled glass house. pH of growth medium was increased from 7.5 to the values ranging from 7.9 (control) to 8.1 (A18) according to the bacterial inoculations by NaHCO3 supplementations. Bacteria inoculations did not result in statistically significant differences in pH values of growth media. The bacterial population density found in the rhizosphere of grapevines ranged from 6 × 108 CFU mL−1 (M-3) to 9 × 108 CFU mL−1 (Ca-637). The highest value of shoot thickness was obtained from Ca-637 (5.3 mm), followed by A18 (5.2 mm), while M3 did not significantly affected the shoot thickness. The greatest pruning residue per vine was obtained from A18 treatment (81.5 g), followed by Ca-637 (80.8 g) while the lowest value was determined in control. Vine yield was the greatest with A18 (1128 g) treatment and was followed by Ca 637 (1059 g). Considering the general observations, root inoculation of PGPRs A18 and Ca-637 may be recommended in enhancing bioremediation of alkali growth media.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2017, 16, 4; 25-32
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-15 z 15

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