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    Wyświetlanie 1-9 z 9
    Tytuł:
    Content of macro- and micronutrients in green and blanched leaves of garlic chives (Allium tuberosum Rottler ex Sprengel)
    Autorzy:
    Zurawik, A.
    Zurawik, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/14769.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
    Tematy:
    macroelement content
    micronutrient content
    green leaf
    blanched plant
    dry matter
    mineral component
    garlic chive
    Allium tuberosum
    oriental garlic zob.garlic chive
    Asian chive zob.garlic chive
    Chinese chive zob.garlic chive
    Chinese leek zob.garlic chive
    Opis:
    Despite its numerous advantages, garlic chives (Allium tuberosum Rottler ex Sprengel) remains a species that is little known of and therefore underestimated in Poland. Cultivation requirements of garlic chives in the climatic conditions of West Pomerania have long been studied at the Department of Horticulture, West Pomeranian University of Technology in Szczecin. An example of such research is the experiment, conducted in 2007-2009, whose aim was to determine the effect of blanching two-year old garlic chives plants on the yield of dry matter and the macro- and micronutrient content. Control plants were non-blanched, two-year old plants. Each year, on 10th April, the seeds were sown directly in a field, 5 seeds per point, 30 x 20 cm apart. The plants were blanched by being covered with low plastic tunnels coated with one or two layers of black nonwoven polypropylene fabric. Blanched leaves were collected 4 weeks after installing the tunnels. Field experiments were established and carried out at the Vegetable Research Station in Dołuje (near Szczecin), and chemical analyses were performed at the Regional Chemical and Agricultural Station in Szczecin. The highest content of phosphorus and total nitrogen was found in the leaves blanched under a double layer of nonwoven fabric, as compared to non-blanched plants. An opposite trend was observed for potassium and calcium. The highest content of these macronutrients was noticed in non-blanched leaves of garlic chives. No significant effect of blanching was found regarding the leaf content of magnesium and sulphur. The highest level of copper was reported in non-blanched leaves, and the leaves covered with a double layer of nonwoven fabric were the richest in iron. The lowest content of zinc was found in the leaves blanched under one layer and the lowest level of manganese in those blanched under two layers of black nonwoven fabric.
    Źródło:
    Journal of Elementology; 2015, 20, 4
    1644-2296
    Pojawia się w:
    Journal of Elementology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The influence of selected agricultural factors on yield and content of some components of welsh onion (Allium fistulosum L.) "Sprint"
    Wpływ wybranych czynników agrotechnicznych na wielkość plonu oraz wartość odżywczą cebuli siedmiolatki (Allium fistulosum L.) odmiany "Sprint"
    Autorzy:
    Zurawik, A.
    Jadczak, D.
    Zurawik, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/27957.pdf
    Data publikacji:
    2013
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Opis:
    The influence of three factors: sowing date (l0th April, 25th April, 10th May), sowing rate (4, 6, and 8 kg × ha-1), and row spacing (20, 25, and 30 cm), on the quantity and quality of yield of Welsh onion ‘Sprint’ was examined in the experiment. The highest total and marketable yield were obtained when seeds were sown on 25th April. An increase in sowing rates resulted in a significant increase of yield. The highest total and marketable yield were obtained at a sowing rate of 8 kg × ha-1. However, significantly greater total and marketable yield were obtained at a row distance of 20 cm. Dry matter content in Welsh onion yield depended significantly on the sowing date and the part of the plant. Plants obtained from seeds sown on 10th May contained the highest content of dry matter. Significantly more dry matter was in the pseudostems than in the leaves of Welsh onion. However, higher L-ascorbic acid content was estimated in the leaves. Welsh onion obtained from the earliest sowing date (10th April) contained significantly the most reducing sugars. Welsh onion obtained from seeds sown on 25th April was characterized by the highest content of pyruvic acid.
    W doświadczeniu badano wpływ trzech czynników: terminu siewu nasion (10 i 25. kwietnia oraz 10. maja), normy siewu nasion (4, 6 i 8 kg × ha-1) oraz odległości między rzędami uprawianych roślin (20, 25 i 30 cm) na wielkość i jakość plonu cebuli siedmiolatki odmiany Sprint. Największy plon ogółem i plon handlowy uzyskano, gdy nasiona wysiewano 25. kwietnia. Wzrastające normy siewu nasion powodowały istotne zwiększenie plonu. Największy plon ogółem i plon handlowy zebrano przy zastosowaniu normy siewu wynoszącej 8 kg × ha-1. Natomiast przy zastosowaniu różnej odległości między rzędami uprawianych roślin, istotnie większy plon ogółem i plon handlowy zebrano, gdy rośliny uprawiano w rzędach co 20 cm. Zawartość suchej masy w plonie siedmiolatki była istotnie zależna od terminu siewu nasion oraz części rośliny. Najwięcej suchej masy zawierały rośliny uprawiane z siewu 10. maja. Porównując z kolei badane części rośliny, istotnie więcej suchej masy oznaczono w cebulach niż w szczypiorze. Większą zawartość kwasu L-askorbinowego stwierdzono natomiast w szczypiorze. Siedmiolatka uprawiana z najwcześniejszego terminu siewu zawierała istotnie najwięcej cukrów redukujących. Największą zawartość kwasu pirogronowego stwierdzono w siedmiolatce uprawianej z siewu nasion 25. kwietnia.
    Źródło:
    Acta Agrobotanica; 2013, 66, 1
    0065-0951
    2300-357X
    Pojawia się w:
    Acta Agrobotanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Content of macro- and microelements in the yield of garlic chives (Allium tuberosum Rottler ex Spreng.) according to the plant age
    Zawartość makro- i mikroskładników w plonie szczypiorku czosnkowego (Allium tuberosum Rottler ex Spreng.) w zależności od wieku roślin
    Autorzy:
    Zurawik, A.
    Jadczak, D.
    Zurawik, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/15654.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
    Opis:
    The experiments were carried out in 2002-2005, at the Chair of Vegetable Cultivation of the Agricultural University in Szczecin (currently Chair of Horticulture, West Pomeranian University of Technology in Szczecin). The aim of the study was to estimate the effect of age of grown plants on the content of macro- and microelements in leaves of garlic chives. Seeds of chives were sown on 10 th April, directly to the soil, at adensity of 30×20 cm, 12 seeds per point. The content of macro- and microelements was assessed in the harvested yield. After mineralization of plant dry matter in a mixture of H 2 SO 4 and H 2 O, the content of total nitrogen, phosphorus, potassium, sodium, calcium, magnesium and sulphur was determined. The content of copper, zinc, manganese and iron was assessed after mineralization of plant dry matter in a mixture of HNO 3 and HClO 4 . The research material consisted of one-, two- and three-year-old plants. A significant effect of the age of garlic chives on the content of macro- and microelements in the yield was found. One- and three-year-old garlic chives were characterized by a higher content of nitrogen while two-year-old plants contained less nitrogen. The highest content of phosphorus was determined in three-year-old garlic chives. However, the least amount of this element was found in one-year-old plants. The highest content of sodium was noted in yield of three-year-old plants, while the least Na was in two-year-old plants. Moreover, the highest content of calcium and magnesium was determined in the yield of two-year-old plants, and the lowest ? in three-year-old ones. Three-year-old garlic chives contained less potassium and sulphur. In contrast, the highest content of these elements was determined in one-year-old plants. The highest content of copper was assessed in one-year-old garlic chives, and the lowest ? in three-year-old plants. The yield of one-year-old plants contained significantly more zinc in comparison with two- and three-year-old ones. However, the highest content of manganese was noted in three-year-old plant leaves and the lowest ? in leaves of two-year-old plants. Three- year-old garlic chives were characterized by a significantly higher content of iron in com- parison with one- and two-year-old plants.
    Źródło:
    Journal of Elementology; 2013, 18, 3
    1644-2296
    Pojawia się w:
    Journal of Elementology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Content of macro- and micronutrients in chitosan treated freesia (Freesia Eckl. ex Klatt) leaves
    Autorzy:
    Żurawik, P.
    Żurawik, A.
    Kukla, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/11874027.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Opis:
    Freesia grown under cover to be marketed as cut flower is highly sensitive to substrate temperatures exceeding 15–18°C. However, freesia varieties of Beach group are especially attractive plants that may be easily cultivated under cover and do not require substrate cooling. Experiments were conducted in summer and fall of 2011 and 2012 in an unheated plastic tunnel. Planting material consisted of daughter bulbs of ‘Summer Beach’ freesia. The plants were treated with chitosan with a molecular weight of 8000 g∙dm–3. Experimental variants involved methods of chitosan application (watering vs. spraying), its concentration (0.2 vs. 0.4%) and frequency of application (7 vs. 14 days). During the flowering period and at the end of vegetation, freesia leaves were collected to determine the content of following micro- and macronutrients: N, P, K, Ca, Mg, Zn, Cu, Mn, and Fe. The leaves collected at the end of vegetation season contained more P, K, Ca, Fe, Mn, and Zn than those collected during flowering. The content of Mg and Cu was similar in both cases, but N level was lower at the end of vegetation. Irrespective of experimental variant, leaves of all plants treated with chitosan accumulated more N, P, Ca, Cu, Fe and Mn and less Zn during the entire vegetation season than the control ones. At the end of the vegetation season, plants sprayed with chitosan revealed higher concentration of N, P, Ca, Mg, Fe, and Zn, and lower concentration of K, Cu, and Mn than those watered with the investigated compound. No clear patterns of micro- and macronutrient accumulation depending on chitosan concentration were observed. Plants treated with 0.2% chitosan contained more P, K, Mg, Mn, and Zn than those exposed to its two times higher concentration. A contrary response was observed for the leaf accumulation of N and Fe.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2018, 17, 6; 7-16
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Post-harvest longevity and ornamental value of cut inflorescences of Crocosmia x crocosmiiflora ‘Lucifer’ depending on flower food and storage conditions
    Autorzy:
    Żurawik, P.
    Kukla, P.
    Żurawik, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/12662345.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    plant cultivation
    Crocosmia x crocosmiiflora
    Lucifer cultivar
    ornamental plant
    flowering plant
    inflorescence
    decorative value
    cut flower
    post-harvest longevity
    vase life
    storage condition
    Floralife preparation
    Opis:
    Floral exchange markets drive steadily growing interest in ornamental plants sold as cut flowers. Unfortunately, vase life of some of these flowers remains unsatisfactory. Their ornamental value depends on their longevity and number of flowers, as well as overall appearance of the stem during its vase life. Our study determined the effects of storage conditions and Floralife flower food on vase life and ornamental value of Crocosmia ×crocosmiiflora ‘Lucifer’. Crocosmia inflorescences can be attractive cut flowers after meeting some basic requirements. Cutting the branched shoots when the first flower in the main inflorescence was fully open, the second was opening and the subsequent buds showed visible color allowed for maintaining their decorative value for an average of 18.8 days, irrespective of storage conditions and flower food. Vase life and ornamental value depend on storage conditions. Keeping the inflorescences in a semi-lit room (16.8 µmol∙m–2∙s–1), at 18–20°C, and relative humidity of 55–60% or in darkness, at 14–16°C, and relative humidity of 60–70% reduced the number of developed flowers, inflorescence weight and the amount of absorbed solution, and also declined inflorescence vase life. Application of Floralife 200 and Floralife 300 flower food increases the vase life by respectively 7.9 and 8.2 days vs. water, and improves the quality of stored inflorescences.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2019, 18, 4; 137-148
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ocena wartości biologicznej owoców wybranych odmian papryki rocznej
    Evaluation of the biological value of the fruit of selected cultivars of annual pepper
    Autorzy:
    Waga, A.M.
    Jadczak, D.
    Żurawik, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/7412134.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    papryka roczna
    Capsicum annuum
    owoce
    wartosc biologiczna
    karotenoidy
    chlorofil
    sucha masa
    Źródło:
    Annales Horticulturae; 2019, 29, 3; 5-13
    2544-4484
    Pojawia się w:
    Annales Horticulturae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Morphological traits, flowering and corm yield of Crocosmia x crocosmiiflora (Lemoine) N.E. cultivars are determined by planting time
    Cechy morfologiczne, kwitnienie i plon bulw Crocosmia x crocosmiiflora (Lemoine) N.E. w zależności od odmiany i terminu sadzenia
    Autorzy:
    Żurawik, P.
    Salachna, P.
    Żurawik, A.
    Dobrowolska, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/11543101.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    ornamental plant
    montbretia
    Crocosmia x crocosmiiflora
    morphological trait
    flowering
    corm
    yield
    plant cultivar
    garden plant
    hybrid
    planting time
    cultivation method
    plant growth
    plant development
    Opis:
    Crocosmia (Crocosmia × crocosmiiflora) is an exceptionally attractive and interesting ornamental plant. Numerous varieties of this species have been produced, however, the information concerning their requirements and cultivation conditions is lacking. The study was conducted in the field conditions in the years 2008–2010. The plant material included corms of four crocosmia cultivars: ‘Emily McKenzie’, ‘Lucifer’, ‘Mars’, and ‘Meteor’. The corms were planted on 15th April, 5th May and 25th May. The number of days from the beginning of sprouting until the end of flowering was established, and measurements of vegetative and generative traits were performed during cultivation. Corm yield was determined at the end of the cultivation period. It was found that delaying the planting time resulted in accelerated sprouting of the corms. Irrespective of the cultivar, the plants grown from the corms planted on 5th May were the first, and those planted on 25th May – the last to bloom. The corm planting time affected vegetative and generative features of the crocosmia plants. The plants grown from the corms planted on 5th and 25th May were higher, had more shoots and leaves on the main shoots. The plants grown from the corms planted on 5th May were characterized by the longest main inflorescence shoots and flowers of larger diameter than the plants grown from the corms planted on 15th April and 25th May. Cultivar-specific features largely determined the vegetative and generative traits. The plants of ‘Emily McKenzie’ cultivar were characterized by the longest main inflorescence shoots and the largest flower diameter, but they produced the lowest number of inflorescence shoots and flowers per main inflorescence spike. The study showed that earlier planting time (15th April and 5th May) resulted in higher coefficient of weight and number increase of the new corms, but it did not affect the coefficient of total corm weight increase, as compared to the delayed planting time (25th May).
    Krokosmia (Crocosmia × crocosmiiflora) należy do wyjątkowo atrakcyjnych i interesujących roślin ozdobnych. W obrębie gatunku wyhodowano wiele odmian, niestety brakuje informacji dotyczących ich wymagań oraz zasad uprawy. Badania prowadzono w latach 2008–2010 w gruncie odkrytym. Materiał roślinny stanowiły bulwy następcze czterech odmian krokosmii ogrodowej: ‘Emily McKenzie’, ‘Lucifer’, ‘Mars’, ‘Meteor’. Bulwy sadzono 15 kwietnia, 5 maja i 25 maja. W trakcie uprawy ustalono liczbę dni od początku wschodów do zakończenia kwitnienia oraz wykonano pomiary cech wegetatywnych i generatywnych. Po zakończeniu uprawy oceniono plon bulw. Wykazano, że wraz z opóźnieniem terminu sadzenia bulw następowało przyspieszenie ich kiełkowania. Niezależnie od porównywanej odmiany, najwcześniej początek kwitnienia nastąpił u roślin uprawianych z bulw sadzonych 5 maja, najpóźniej zaś u tych, które uzyskano z bulw sadzonych 25 maja. Termin sadzenia bulw wpływał na cechy wegetatywne i generatywne krokosmii. Wyższe, o większej liczbie pędów i liści osadzonych na pędach głównych były rośliny uprawiane z bulw sadzonych 5 i 25 maja. Rośliny uzyskane z bulw sadzonych 5 maja charakteryzowały się najdłuższymi głównymi pędami kwiatostanowymi oraz wykształciły kwiaty o większej średnicy niż rośliny uprawiane z bulw sadzonych 15 kwietnia i 25 maja. Cechy odmianowe w dużym stopniu decydowały o cechach wegetatywnych i generatywnych roślin. Krokosmia odmiany ‘Emily McKenzie’ charakteryzowała się najdłuższymi głównymi pędami kwiatostanowymi oraz kwiatami o największej średnicy, przy czym wytworzyła najmniej pędów kwiatostanowych i miała najmniej kwiatów w głównym kwiatostanie. W przeprowadzonych badaniach wcześniejsze terminy sadzenia bulw (15 kwietnia i 5 maja) w stosunku do opóźnionego terminu sadzenia (25 maja) powodowały zwiększenie współczynnika przyrostu masy i liczby bulw następczych, nie wpływały natomiast na wielkość współczynnika przyrostu masy bulw ogółem.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2015, 14, 2; 97-108
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Morphological traits, decorative value and yield of corms of freesia (Freesia Eckl. ex Klatt) depending on the applied chitosan
    Autorzy:
    Żurawik, P.
    Żurawik, A.
    Kukla, P.
    Dobrowolska, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/11855279.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Opis:
    In terms of turnover value on the global wholesale flower markets, freesia has been for many years in the top ten of cut flowers. Achieving high quality inflorescences in a cultivation center without cooling the substrate is a huge challenge for the producers. The study was conducted in the years 2010–2012, during the summer-autumn season in an unheated foil tunnel. The material consisted of prepared daughter corms of ‘Summer Beach’ variety. Chitosan of 8 000 g∙dm-3 molecular weight was used in the research. Chitosan application methods (watering or spraying), its concentration (0.0; 0.2 or 0.4%), and application frequency (every 7 or 14 days) were compared experimentally. During the experiment, the number of days from the beginning of sprouting until the end of flowering was determined, and the vegetative and generative organs were evaluated. The yield of daughter corms was assessed after the end of the cultivation. High temperatures prevalent in the time of generative organ formation prolonged the flowering period of ‘Summer Beach’ freesia but the inflorescences were typical and characteristic of the variety. The effect of chitosan depended also on the temperature during the cultivation. Irrespective of chitosan application method, its concentration and frequency of treatment, its presence delayed freesia heading at higher temperatures and accelerated the process at lower temperatures. Chitosan caused an increase in freesia height, number of generated shoots and leaves and leaf greenness index. It positively affected the quality of the resulting inflorescences. However, this effect was concentration and application dependent. Moreover, chitosan increased the ratio of daughter corm formation and total ratio of corm number and mass, and reduced the ratio of daughter corm mass gain.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2017, 16, 1; 73-83
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wielkość i jakość plonu bulw potomnych frezji z grupy Easy Pot w zależności od rodzaju i dawki nawozu
    Size and quality of yield of the offspring corms of Easy Pot freesia depending on kind and dose of fertilizer
    Autorzy:
    Zurawik, P.
    Zawadzinska, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/82794.pdf
    Data publikacji:
    2011
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Źródło:
    Folia Pomeranae Universitatis Technologiae Stetinensis. Agricultura, Alimentaria, Piscaria et Zootechnica; 2011, 17
    2081-1284
    Pojawia się w:
    Folia Pomeranae Universitatis Technologiae Stetinensis. Agricultura, Alimentaria, Piscaria et Zootechnica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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