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    Tytuł:
    Phenomena, biometrics and canopy behavior of prickly comfrey (Symphytum asperum Lep. Boraginaceae) in a long-term experiment
    Autorzy:
    Aniszewski, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/19408.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    Annual and interannual phenomena and canopy behavior of prickly comfrey (Symphytum asperum Lep.) were studied in a 10-year experiment with 25 measurement sessions during the growing season. The results confirm the importance of long-term experiments in studying plant phenomena, biometrics and behavior. Prickly comfrey produced a green canopy each year and growth started very early in spring. Maximum plant height was less than 160 cm. Annual phenomena (growth initiation, seedling phase, flower phase, seed phase, senescent phase), interannual phenomena (initiation and youth, reproduction, new generation formation, plant death) and two population cycles (colonization and expansion) were measured. The duration of annual development up to canopy death can be expressed as x+2x+3x+2x, where x is initial growth. The genetic structure and activity of prickly comfrey promotes generative development of the species. Its age can be measured over a single and several vegetation generations. The ability to change the angle of vertical stem growth after 9 weeks can be considered a functional behavior of prickly comfrey and part of its life strategy. The differences between the organs in the upper and lower parts are very considerable and should be taken into account in morphological descriptions of this species. The upper and lower stems and leaves showed differential growth. Both stem and leaves were densely setose. Old leaves were 3.8 times longer, 4 times broader and 2.4 times thicker than young leaves. Hairs were on average 3 times longer on old than on young leaves. Flowers had contact with pollinators making relatively long visits to them.
    Źródło:
    Acta Biologica Cracoviensia. Series Botanica; 2012, 54, 1
    0001-5296
    Pojawia się w:
    Acta Biologica Cracoviensia. Series Botanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Canopy behavior of three milkvetch [Astagalus] species in acclimation to a new habitat
    Autorzy:
    Aniszewski, T
    Powiązania:
    https://bibliotekanauki.pl/articles/19145.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    Empirical data on functional growth dynamics are extremely limited for herbaceous plants and do not exist for milkvetch (Astragalus) species, although they are essential to an understanding a plant's ability to acclimate to a new habitat, which we need to know in order to predict its performance in future climate scenarios. The paper examines how species spread to a habitat in which they do not initially occur. It presents results on changes in growth, canopy behavior, competition ability and morphological traits of Cicer milkvetch (Astragalus cicer L.), Sweet milkvetch (Astragalus glycyphyllos L.) and Russian milkvetch (Astragalus falcatus Lam.) from a ten-year experiment. They successfully acclimated to a new habitat and presented clearly similar growth dynamics and similar strategies for establishing and maintaining populations. Developmental and reductional perennial phases were noted. The developmental phase showed slow and fast subphases. Canopy cover area peaked at the height of the developmental phase. Morphological parameters measured from parts of plants growing outside the experimental plot were greater than for plants growing inside it. Milkvetch species are good competitors. Unlike invasive species, their expansion strategy is not colonization-oriented. The data suggest that systematic and evolutionary studies on these species should pay attention to morphological changes.
    Źródło:
    Acta Biologica Cracoviensia. Series Botanica; 2010, 52, 1; 45-54
    0001-5296
    Pojawia się w:
    Acta Biologica Cracoviensia. Series Botanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of the effect of various nitrogen forms on the Lupinus albus seed protein composition
    Autorzy:
    Ciesiolka, D
    Aniszewski, T.
    Wysocki, W.
    Pilarski, R.
    Gulewicz, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/57059.pdf
    Data publikacji:
    2008
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    Lupinus albus
    protein
    seed
    protein composition
    botany
    fractional composition
    protein yield
    protein content
    lupin
    nitrogen form
    Opis:
    The influence of different nitrogen forms: (N2), [N2+(NH4++NO3-)], (NH4+), (NO3-), (NH4++NO3-) and (-NH2) on changes of albumin, globulin, prolamin-glutelin, non-fractioned nitrogen and non-protein nitrogen fractions of the protein seed of alkaloid-low content Lupinus albus L. cv. Butan has been studied. The experiments were performed in a greenhouse on perlite using in all cases the constant P, K, Mg and micronutrients (B, Zn, Mn, Cu, Mo, Fe) fertilization. The control was the treatment without any nitrogen support (Nd). It was clearly shown that nitrogen form has significant effect not only on the seed yield and seed protein content, but also on the composition of protein fractions and on the biological value of lupin protein. The main protein fraction of the seeds from all treatments were albumins (16.73-26.10 mgN/g). Among all the treatments, the highest level of globulin was observed for the seeds of plant growing with the symbiotic nitrogen form (15.26 mgN/g), while the lowest one for the control (Nd) (6.86 mgN/g). Symbiotic nitrogen (N2) treatment clearly increased the glutelin-prolamin fraction while the addition of mineral nitrogen (NH4++NO3-) decreased this fraction from 8.40 to 4.48 mgN/g. The lowest level of the glutelin-prolamin fraction was in the absence of any nitrogen (Nd). Non-protein fraction (Nnp) was highest in the case of plants treated with (-NH2) (9.92 mgN/g), and the lowest in the absence of nitrogen (Nd) (4.90 mgN/g). The level of non-fractioned nitrogen (Nr), with exception of [N2+(NH4++NO3-)] and -NH2 treatments, was closest to the start material. The protein fractions (albumins, globulins and glutelins and prolamins) were also electrophoretically characterized. These analysis confirmed the changes in protein composition of particular fractions under the effect of various nitrogen forms used as a fertilizer.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2008, 77, 2
    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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