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Wyszukujesz frazę "Rybus-Zając, M." wg kryterium: Autor

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    Tytuł:
    Nitrogen metabolism in cucumber cotyledons and leaves exposed to the drought stress and excessive UV-B radiation
    Autorzy:
    Rybus-Zając, M.
    Kubiś, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/12194935.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Opis:
    Plants absorb light energy for photosynthesis, and some amount of potentially damaging range of solar radiation, ultraviolet B. It accounts for less than 0.5% of the total solar radiation and the ambient current level of UV-B during the growth season provide 10 kJ·m–2 energy per day on the Earth’s surface. In the field conditions, increased UV-B radiation is often accompanied by drought, but negative effect of combined stresses is not so deleterious as the effect of one of them alone. We studied some changes in nitrogen me deficit and UV-B radiation. The stresses generally decreased the biomass and total dry matter production. Combination of water deficit and UV-B activated a stress tolerance mechanism in cucumber seedlings. The NR activity and synthesis of UV-B absorbing compounds were induced. Protection against UV-B radiation can partially involve increased production of UV-B protective pigments – slightly increased the SPAD value in cucumber cotyledons and leaves was observed. The deleterious effect of combined stresses was weaker than their additive or individual effects.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2018, 17, 5; 23-36
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Post-harvest longevity of xHeucherella L. leaves after the application of benzyladenine sprayed on maternal plants
    Opryskiwania roślin matecznych benzyloadeniną a pozbiorcza trwałość liści xHeucherella L.
    Autorzy:
    Janowska, B.
    Czuchaj, P.
    Rybus-Zajac, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/28566.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Opis:
    Analyses were conducted on leaves of two ×Heucherella L. cultivars: ‘Solar Power’ and ‘Kimono’. Leaves were harvested at two dates: spring (2014-05-22) and summer (2014-07-26). Prior to each leaf harvest day, the maternal plants were sprayed with benzyladenine (BA) at a concentration of 100, 300 and 600 mg dm−3. After being cut, the leaves were placed in containers with distilled water. In the cultivar ‘Solar Power’, BA at a concentration of 100–600 mg dm−3 had an advantageous effect on post-harvest longevity of leaves harvested in summer, improving it by 31.7–98.3%, while in the cultivar ‘Kimono’ BA at the above-mentioned concentrations improved post-harvest longevity of leaves harvested both in spring and summer by almost 2 months. BA at a concentration of 100–600 mg dm−3 inhibited proteolysis in leaves of the tested ×Heucherella cultivars, except for leaves of the cultivars ‘Solar Power’ and ‘Kimono’ harvested in summer from plants sprayed with BA at a concentration of 100 mg dm−3. In these leaves, the protein level was comparable to that in the control leaves. In leaves treated with BA at a concentration of 100–600 mg dm−3, the content of saccharides was higher than in the control plants harvested in the spring and summer.
    Do badań wykorzystano liście dwóch odmian ×Heucherella L.: ‘Solar Power’ i ‘Kimono’. Liście pobrano w dwóch terminach: wiosną (22.05.2014) i latem (26.07.2014). Rośliny mateczne, w dniu poprzedzającym każdy termin zbioru liści, opryskano benzyloadeniną (BA) o stężeniu 100, 300 i 600 mg dm−3. Po ścięciu liście umieszczono w pojemnikach z wodą destylowaną. U odmiany ‘Solar Power’ BA o stężeniu 100–600 mg dm−3 korzystnie wpłynęła na pozbiorczą trwałość liści pozyskiwanych latem poprawiając ją o 31.7–98.3%, a u odmiany ‘Kimono’ BA w podanych stężeniach przedłużyła pozbiorczą trwałość liści pozyskanych zarówno wiosną jak i latem o prawie 2 miesiące. BA o stężeniu 100–600 mg dm−3 hamowała proteolizę i rozkład cukrów w liściach badanych odmian ×Heucherella, za wyjątkiem ścinanych latem liści odmian ‘Solar Power’ i ‘Kimono’ z roślin opryskanych BA o stężeniu 100 mg mg−3, u których poziom białka był porównywalny do oznaczonego w liściach kontrolnych.
    Źródło:
    Acta Agrobotanica; 2016, 69, 1
    0065-0951
    2300-357X
    Pojawia się w:
    Acta Agrobotanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Vase life of Heuchera L. leaves following the application of benzyladenine
    Autorzy:
    Janowska, B.
    Czuchaj, P.
    Rybus-Zając, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/11855258.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Opis:
    The aim of this study was to assess vase life of leaves harvested at two dates – in the spring and summer, for 3 cultivars of Heuchera L. following the application of benzyladenine in spraying of maternal plants one day prior to leaf harvest. Leaves of cultivar ‘Southern Comfort’ were most durable, while those of cultivar ‘Purple Petticoats’ – least durable. Leaves harvested in summer had a longer vase life, except for leaves of cultivar ‘Plum Royale’. BA (300 and 600 mg·dm-3) in leaves of cultivar ‘Plum Royale’ improved vase life only in leaves harvested in the summer. BA (100 and 300 mg·dm3) in cultivar ‘Purple Petticoats’ – in leaves harvested in spring, while when used at a concentration of 300 and 600 mg·dm-3 – in those collected in the summer. BA (100–600 mg·dm-3) in cultivar ‘Southern Comfort’ considerably improved vase life of leaves cut in the spring and summer. BA inhibited protein degradation. In the tested cultivars in leaves, harvested in the spring and summer, treated with benzyladenine the content of saccharides was higher.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2017, 16, 1; 113-120
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of rootstocks and the time of grafting procedure on the efficiency of propagation by grafting two cultivars of mountain pine (Pinus mugo Turra) and estimation of chloroplast pigments level in the needles
    Autorzy:
    Świerczyński, S.
    Kolasiński, M.
    Stachowiak, A.
    Rybus-Zając, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/12708965.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Opis:
    The experimental studies were conducted from 2015–2017 years in two cycles. The aim of the research was to determine a better grafting time and a choice of an appropriate rootstock for the propagation of two cultivars of mountain pine (Pinus mugo Turra). The influence of the grafted cultivar and rootstock used on the level of chloroplast pigments in the needles was also checked. The studies concerned two cultivars of mountain pine (Pinus mugo) ‘Grześ’ and ‘Zundert’, which were grafted on four different rootstocks: Pinus contorta (Dougl. ex Loud.), Pinus nigra (Arn.), Pinus sylvestris (L.) and Pinus mugo subsp. uncinata (Ramond Domin) in two dates: 20 January and 15 March. The highest percentage of graft success was obtained for the two cultivars on Pinus uncinata and Pinus contorta rootstocks. A later term of grafting procedure affected bigger effectiveness of grafting of the two studied cultivars, except for the graft success on Pinus sylvestris rootstock. The highest increments of side shoots and lengths of main stems for ‘Grześ’ cultivar were obtained on Pinus nigra, and for ‘Zundert’ the influence of the rootstock on the above mentioned parameters was not evident. No significant differences in the number of increments in the first and second year of studies were observed. The highest level of chlorophyll A and B was found in the needles of ‘Grześ’ cultivar, independently from the rootstock used. Among tested rootstocks, only Pinus nigra had a significant impact on a higher content of chlorophyll B in the needles of the studied cultivars of mountain pine trees.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2020, 19, 2; 75-85
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of rootstock and grafting method on the grafts success and growth of Cedrus deodara (Roxb. ex Lamb.) ‘Karl Fuchs’ plants
    Autorzy:
    Świerczyński, S.
    Kolasiński, M.
    Urbaniak, M.
    Stachowiak, A.
    Rybus-Zając, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/12309651.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    deodar cedar
    Cedrus deodara
    Karl Fuchs cultivar
    plant cultivar
    Larix decidua
    Pinus armandii
    rootstock
    rootstock influence
    grafting
    grafting method
    graft survival
    plant propagation
    sprout
    bud
    carotenoid content
    chlorophyll content
    chloroplast pigment content
    Opis:
    Experimental studies were conducted in 2015–2017 in the Department of Dendrology, Pomology and Nursery of Poznan University of Life Sciences. The aim of the research was to study the usefulness of three rootstocks: Larix decidua, Pinus armandii, Cedrus deodara and two grafting methods: side grafting and split grafting for propagation purposes of Cedrus deodara ‘Karl Fuchs’. In addition, it was evaluated how the rootstock and the age of cultivar shoots influenced the level of chloroplast pigments in the needles. A higher percentage of grafts success was obtained on Pinus armandii and Cedrus deodara using the side grafting method. Grafted scions of ‘Karl Fuchs’ produced the greatest number of lateral buds and the longest lateral increments of growth on Cedrus deodara root stock. Side grafting significantly improved the percentage of plants that restarted their growth in the second year of cultivation. The largest number of buds on two-year-old shoots were counted on plants grafted on Cedrus deodara using split grafting method. The rootstocks used in this experiment had a slight effect on the content of chloroplast pigments in the needles. Plants grafted on Pinus armandii had the highest level of chlorophyll B, and those grafted on Larix decidua – chlorophyll A/B ratio. The content of chloroplast pigments in the needles depended on the age of shoots. The highest level of chlorophyll A, chlorophyll B and carotenoids was observed when needles were collected from the last year’s growth.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2019, 18, 5; 63-72
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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