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    Wyświetlanie 1-3 z 3
    Tytuł:
    Mutations modulate soluble carbohydrates composition in seeds of Lathyrus sativus L.
    Autorzy:
    Piotrowicz-Cieslak, A I
    Rybinski, W.
    Michalczyk, D.J.
    Powiązania:
    https://bibliotekanauki.pl/articles/57224.pdf
    Data publikacji:
    2008
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    mutagenesis
    soluble carbohydrate
    seed
    Lathyrus sativus
    mutant
    galactosyl cyclitol
    Opis:
    Seeds of Lathyrus sativus cv. Derek and Krab were used as biological material for induced mutagenesis. Three mutant lines were obtained from seeds of grass pea cv. Derek and 15 lines from mutagenised seeds of cv. Krab. Twelve ethanol-soluble carbohydrates were identified in the seeds. We have selected grass pea mutant lines with high oligosaccharides content (lines D4, K56, K25, and K7) and lines with low raffinose family oligosaccharides (RFO) content (lines K12, K29 and K13). Mutations changing the levels of RFO have not affected the contents of galactosyl cyclitols.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2008, 77, 4; 281-287
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Soluble carbohydrates in cereal [wheat, rye, triticale] seed after storage under accelerated ageing conditions
    Autorzy:
    Piotrowicz-Cieslak, A I
    Niedzielski, M.
    Michalczyk, D J
    Luczak, W.
    Adomas, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/59350.pdf
    Data publikacji:
    2010
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    soluble carbohydrate
    carbohydrate
    cereal
    wheat
    rye
    triticale
    seed
    storage
    aging
    moisture content
    Opis:
    Germinability and the content of soluble carbohydrates were analysed in cereal seed (winter rye, cv. Warko; spring wheat, cv. Santa; hexaploid winter triticale, cv. Fidelio and cv. Woltario). Seed moisture content (mc) was equilibrated over silica gel to 0.08 g H2O/g dry mass and stored in a desiccator at 20oC for up to 205 weeks or were equilibrated to mc 0.06, 0.08 or 0.10 g H2O/g dm and subjected to artificial aging at 35oC in air-tight laminated aluminium foil packages for 205 weeks. It was shown that the rate of seed aging depended on the species and seed moisture content. The fastest decrease of germinability upon storage was observed in seed with the highest moisture level. Complete germinability loss for winter rye, winter triticale cv. Fidelio, winter triticale cv. Woltario and spring wheat seed with mc 0.10 g H2O/g dm3 occurred after 81, 81, 101 and 133 weeks, respectively. Fructose, glucose, galactose, myo-inositol, sucrose, galactinol, raffinose, stachyose and verbascose were the main soluble carbohydrates found in the seed. The obtained data on the contents of specific sugars and the composition of soluble sugars fraction in seed of rye, wheat and triticale did not corroborate any profound effect of reducing sugars, sucrose and oligosaccharides on seed longevity.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2010, 79, 1; 21-25
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Physiological-biochemical parameters and characteristics of seed coat structure in lupin seeds subjected to long storage at different temperatures
    Autorzy:
    Piotrowicz-Cieslak, A I
    Michalczyk, D J
    Gorska, K
    Bulinska-Radomska, Z.
    Gorecki, R.J.
    Powiązania:
    https://bibliotekanauki.pl/articles/58178.pdf
    Data publikacji:
    2008
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    physiological parameter
    biochemical parameter
    seed coat
    coat structure
    lupin
    seed
    long storage
    storage
    storability
    protein
    soluble carbohydrate
    seed surface
    different temperature
    temperature
    Opis:
    Seed vigour, viability, the contents of soluble carbohydrates, total protein, albumins, and globulins, as well as seed coat structure, were analysed in yellow lupin (Lupinus luteus L.) cv. Iryd seeds stored for 20 years at -14oC, 0oC or at room temperature (approx. +20oC). Seed storage at room temperature reduced viability (to 2%) and increased seed leachate electroconductivity. Determinations of total proteins showed that protein content was significantly reduced in seeds stored at +20oC compared to the other storage regimens. Raffinose family oligosaccharides were the main soluble carbohydrates in seeds stored at 0oC and -14oC, whereas sucrose dominated in seeds stored at room temperature. Scanning electron microscopy (SEM) of seed surface and seed coat sections revealed appearance of an amorphic layer on the surface of seeds stored at room temperature (not observed in other seeds) and distinct shrinking of macrosclereid layer in seeds stored at -14oC. Macrosclereids layer in all seeds was 100 um thick and accounted for 60% of seed coat thickness. The obtained results suggest that for long term storage of lupin seeds at 0oC is the most advisable temperature if both costs of storage and seed storability are considered.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2008, 77, 3; 201-205
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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