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Wyszukujesz frazę "Karólewski, P." wg kryterium: Autor

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    Wyświetlanie 1-5 z 5
    Tytuł:
    Wplyw grzybow ekto- i ektendomikoryzowych na poziom fenoli w korzeniach siewek sosny zwyczajnej rosnacych w glebie skazonej przez toksyczne metale
    Autorzy:
    Karolewski, P.
    Werner, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/823173.pdf
    Data publikacji:
    2000
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    ektendomikoryza
    zawartosc fenoli
    mikoryza
    korzenie
    ektomikoryza
    sosna zwyczajna
    lesnictwo
    siewki
    Pinus sylvestris
    drzewa lesne
    Źródło:
    Sylwan; 2000, 144, 04; 69-75
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Udział węgla w związkach obronnych przed czynnikami biotycznymi u roślin drzewiastych
    Share of carbon in defense compounds against biotic factors in woody plants
    Autorzy:
    Karolewski, P.
    Jagodziński, A.M.
    Powiązania:
    https://bibliotekanauki.pl/articles/994518.pdf
    Data publikacji:
    2013
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    drzewa lesne
    obrona chemiczna
    substancje obronne
    zawartosc wegla
    carbon concentration
    defense compounds
    woody plants
    trees
    biotic factors
    review
    Opis:
    In addition to physical defenses, chemical defenses are the most effective way to protect plants from adverse biotic factors (phytophagous insects, other herbivores and pathogenic fungi). This requires extra effort from plants to produce secondary defense metabolites at the expense of production of primary metabolites directly linked to the growth and development of plants. There are three main groups of defensive compounds (alkaloids, phenolic compounds and terpenoids). All defensive compounds are rich in carbon. Depending on the chemical formula, carbon makes up from about 40% to over 85% of the molecular weight of various defense compounds. It is not possible to calculate the total carbon mass accumulation in all defense compounds. In this paper we discuss the content of defensive compounds and carbon with respect to defense strategy of plants, functional groups of woody species (coniferous and deciduous trees), tree species, tree biomass components (leaves, branches, bark, roots, etc.) and many other internal (age of trees, age of leaves, stage of development, origin, etc.) as well as external factors, related to soil and climatic conditions.
    Źródło:
    Sylwan; 2013, 157, 11; 831-841
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ warunków świetlnych na namiotnika czeremszaczka - głównego szkodnika czeremchy zwyczajnej
    Light conditions effect on bird cherry ermine moth - the main pest of bird cherry
    Autorzy:
    Łukowski, A.
    Maderek, E.
    Karólewski, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/991155.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    ochrona lasu
    drzewa lesne
    czeremcha zwyczajna
    Prunus padus
    szkodniki roslin
    namiotnik czeremszaczek
    Yponomeuta evonymellus
    wystepowanie
    ograniczanie wystepowania
    warunki swietlne
    wysokie temperatury
    folivorous insect
    global warming
    high temperature
    leaf toughness
    Opis:
    This article studies the effect of light and high temperature on various parameters describing the growth and development of bird cherry ermine moth (Yponomeuta evonymellus L.) – the main pest of bird cherry (Prunus padus L.). We found that light significantly influences the moth masses and dynamics of their development. Moths developed from larvae feeding on leaves growing in full light conditions have a higher mass and shorter time of adult eclosion from pupa in comparison with larvae feeding on leaves growing in shade. However, extremely high summer temperature significantly disturbs pupation process in Y. evonymellus population. Our laboratory experiments indicate that a critical temperature is 36°C. Above this threshold the percentage of pupation drastically decreases (from ca. 70% to 35%). The conditions of intensive sun are better for some parameters of growth and development of bird cherry ermine moth. On the other hand, extreme summer temperatures, related with global warming, may restrict the occurrence of Y. evonymellus gradation.
    Źródło:
    Sylwan; 2014, 158, 08; 595-603
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zawartość węgla w biomasie pospolitych gatunków krzewów podszycia leśnego
    Carbon concentration in the biomass of common species of understory shrubs
    Autorzy:
    Jagodziński, A.M.
    Jarosiewicz, G.
    Karolewski, P.
    Oleksyn, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/1008422.pdf
    Data publikacji:
    2012
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    pietro lesne
    podszyt
    krzewy lesne
    leszczyna pospolita
    Corylus avellana
    czeremcha zwyczajna
    Prunus padus
    czeremcha amerykanska
    Prunus serotina
    kruszyna pospolita
    Frangula alnus
    bez czarny
    Sambucus nigra
    deren swidwa
    Cornus sanguinea
    jarzab pospolity
    Sorbus aucuparia
    biomasa
    zawartosc wegla
    carbon concentration
    shrubs
    biomass components
    Opis:
    Experimental data on carbon concentration in woody plant species biomass are very scarce and value of 50% of dry biomass is widely accepted in carbon storage modeling. On the other hand, some studies have proved that the carbon concentration in woody species biomass is variable and depends on the component. Thus, the main goal of the study was to determine carbon concentration in biomass of 7 understory shrub species (basing on 282 individuals): Corylus avellana, Prunus padus, P. serotina, Frangula alnus, Sambucus nigra, Cornus sanguinea and Sorbus aucuparia as well as to analyze variability of carbon concentration among shrub species and biomass components. Carbon concentration was analyzed for leaves, fruits, branches, stemwood, stembark, coarse and fine roots. Our study revealed that the mean carbon concentration in biomass of all species studied was 47.7%. We found statistically significant differences in carbon concentration among the shrub species studied in all biomass components. The mean value for particular species was as follows: Prunus serotina – 47.5%, P. padus – 47.6%, Frangula alnus – 47.7%, Sambucus nigra – 47.7%, Corylus avellana – 47.8%, Cornus sanguinea – 47.8% and Sorbus aucuparia – 47.8%. Additionally, we found statistically significant differences in carbon concentration among biomass components within the species studied. The mean carbon concentration in fruit biomass was 46.2%, in fine roots – 47.0%, in leaves – 47.2%, in coarse roots – 47.7%, in branches – 47.9%, in stemwood – 48.5% and in stembark – 48.6%. The variability of carbon concentration in fruit, branches and leaves biomass was higher than in the remaining biomass components. The variability of carbon concentration in biomass of woody species should be considered in carbon storage modeling in forest ecosystems.
    Źródło:
    Sylwan; 2012, 156, 09; 650-662
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ żerowania owadów liściożernych sosny na skład chemiczny igliwia, ściółki i gleby
    Effect of the Scots pine defoliation by herbivorous insects on chemical composition of needles, litter and soil
    Autorzy:
    Sukovata, L.
    Kolk, A.
    Karolewski, P.
    Smolewska, M.
    Isidorov, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/1009333.pdf
    Data publikacji:
    2010
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    drzewa lesne
    sosna
    Pinus
    szkodniki roslin
    foliofagi
    barczatka sosnowka
    Dendrolimus pini
    brudnica mniszka
    Lymantria monacha
    gasienice
    zerowanie
    defoliacja
    igly sosny
    sciolka lesna
    gleby lesne
    sklad chemiczny
    litterfall
    dendrolimus pini
    lymantria monacha
    terpenes
    carbohydrates
    phenols
    macroelements
    Opis:
    Effect of a weak defoliation by the larvae of the lappet moth and nun moth on chemical composition of needles, litter and soil in the 33−years old Scots pine stands was studied. The four variants were tested: I – larvae feeding, litterfall with frass and damaged needles, II – larvae feeding, but litterfall excluded (collected), III – no larvae, litterfall from the variant II spilled around trees, IV (untreated) – no larvae, litterfall without frass and damaged needles. No changes in chemical composition of litter and soil after two years of weak spring defoliation were found. However, there was a significant decrease of soluble carbohydrates and 5 sesquiterpenes as well as an increase of total monoterpenes in needles of trees in the variant II in comparison to other variants. All of those compounds are carbon−based, thus trees probably only relocated this element to a higher production of monoterpenes to make needles less attractive as a food source.
    Źródło:
    Sylwan; 2010, 154, 09; 639-648
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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