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    Wyświetlanie 1-11 z 11
    Tytuł:
    Zasoby genowe i potencjał hodowlany daglezji (Pseudotsuga menziesii (Mirb.) Franco) w lasach niektórych krajów europejskich
    Genetic resources and silvicultural potential of Douglas fir (Pseudotsuga menziesii (Mirb.) Franco) in some European countries
    Autorzy:
    Chałupka, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/991061.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    Europa
    gatunki introdukowane
    drzewa lesne
    daglezja zielona
    Pseudotsuga menziesii
    zasoby genowe
    program hodowlany
    selekcja
    Francja
    Niemcy
    Wielka Brytania
    Dania
    Holandia
    Polska
    drzewostany daglezjowe
    zasobnosc drzewostanu
    baza nasienna
    douglas fir
    introduction
    europe
    volume stock
    registered base material
    Opis:
    Since the beginning of XIX century a considerable number of Douglas fir populations from North America were introduced to many European countries. In France, Douglas fir is still going to increase significantly its participation in growing stock and wood harvest. There are also some countries (e.g. the Netherlands), where the interest in breeding and silviculture of Douglas fir have been decreased in last decades. The data from the European literature was collected to show a current volume stock, growth increment, gene resources and qualified seed sources of Douglas fir in the outlook of the future role of the species in European forest economy. A short outlook on the breeding programs of Douglas fir working out in several European countries was also presented.
    Źródło:
    Sylwan; 2014, 158, 05; 331-339
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Technologia wydobycia trudno urabialnych skał nadkładowych na przykładzie Kopalni Węgla Brunatnego "Bełchatów"
    Exploitation technology of hard-to mine rocks for example Bełchatów brown coal mines
    Autorzy:
    Kozioł, W.
    Machniak, Ł.
    Sośniak, E.
    Chałupka, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/348989.pdf
    Data publikacji:
    2011
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    technologia eksploatacji
    górnictwo odkrywkowe
    utwory trudno urabialne
    opencast mining
    technological of exploitation
    hard-to mine rocks and soils
    Opis:
    Trudno urabialne skały nadkładowe występują zarówno w Polu Bełchatów jak i Polu Szczerców. Prognozowane ilości występowania, wskazują na konieczność eksploatacji średnio ok. 1,4 mln m3 trudno urabialnych skał rocznie. Zdecydowana ich większość nie stwarza możliwości mechanicznego urabiania koparkami wielonaczyniowymi. Dlatego też w Kopalni Bełchatów wykorzystuje się wstępne urabianie za pomocą MW. Rozluzowane skały, w zależności od możliwości dalszego ich urabiania, eksploatowane są podstawowymi koparkami wielonaczyniowymi lub też maszynami pomocniczymi o cyklicznym charakterze pracy. W artykule scharakteryzowano poszczególne etapy procesu technologicznego wydobycia trudno urabialnych skał nadkładowych.
    Hard-to mine rocks occur both Bełchatów and Szczerców field. The prognose shown the necessity of exploitation about 1.4 million m3 of hard-to mine rocks annually. Majority part of them is not mined mechanically with bucket wheel excavator operating in the mine. Therefore in the mine Bełchatów uses of preliminary loosened by means of blasting technique. The loosened of rocks due to the possibilities of mechanical mining exploited with bucket wheel excavators or auxiliary machine on cyclical characteristic of the work. The all stages of technological process exploitation of hard-to mine rocks have been presented.
    Źródło:
    Górnictwo i Geoinżynieria; 2011, 35, 3; 165-180
    1732-6702
    Pojawia się w:
    Górnictwo i Geoinżynieria
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Provenance contribution to genetic composition of progeny from outbreeding seed orchard of Picea abies
    Autorzy:
    Chalupka, W
    Misiorny, A.
    Rozkowski, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/41373.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    international conference
    Europe
    forest ecosystem
    plant breeding
    tree
    Norway spruce
    Picea abies
    provenance
    progeny
    genetic composition
    cone yield
    seed production
    seed orchard
    Opis:
    The abundant flowering, observed in 2004 in a model outbreeding seed orchard established in Kórnik, Poland, promoted crossing between clones of five geographically distant populations of Norway spruce. The clones were selected from a group of ca. 1100 provenances participating in the international IUFRO 1964/68 experiment and performing best in terms of growth traits and adaptability. In the seed orchard, 91.3% of clones and 64.1% of grafts produced female and/or male strobili. Statistically significant differences between the clones were only found in the number of mature cones produced. The mean number of mature cones in individual clones was also significantly correlated with the latitude of the place of origin of maternal populations (r = 0.88, p = 0.047). The nearly equal percentages of clones representing each of the five populations in the outbreeding seed orchard (from 23.2 to 17.5%) resulted finally in the highly unequal production of full seeds by each population (from 62.9 to 0.7%). These data provide evidence to suggest that the level of genetic diversity in the progeny, expected from the number of growing clones, diverges from the level resulting from the contribution of clones to the full seed production which is an effective measure of the genetic composition of progeny. To avoid this divergence, an outbreeding seed orchard could be established with unequal proportions of clones from different provenances, considering the knowledge of their flowering phenology, and individual variation in flowering and cone production.
    Źródło:
    Dendrobiology; 2009, 61 Supplement
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Produktywność biomasy nadziemnej i podziemnej w doświadczeniu proweniencyjno-rodowym z dębem szypułkowym
    Productiviy of aboveground and belowground biomass in an experiment with provenances and half-sib families of pedunculate oak
    Autorzy:
    Chmura, D.J.
    Guzicka, M.
    Rożkowski, R.
    Michałowicz, D.
    Grodzicki, W.
    Chałupka, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/991353.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    drzewostany debowe
    biomasa nadziemna
    biomasa podziemna
    akumulacja
    alokacja biomasy
    drzewa lesne
    dab szypulkowy
    Quercus robur
    rownania allometryczne
    rody hodowlane
    doswiadczenia proweniencyjne
    allometry
    biomass allocation
    heritability
    quercus robur
    Opis:
    The biomass productivity of individual trees at age 14 years was investigated in the experiment with 8 provenances and 186 half−sib families of pedunculate oak (Quercus robur L.). The aim of the study was to develop allometric equations and estimate heritability of tree biomass. We sampled 28 model trees and measured dry mass of their components, including roots (on 14 trees). A decreasing share of aboveground biomass was allocated to stems, and an increasing share to branches and foliage with increasing tree size. Also a decreasing share of total tree biomass was found in roots with increasing tree dimensions. Allometric equations involving diameter at breast height in combination with tree height were developed to model biomass of all components and whole tree. We used those equations to estimate tree biomass on the subset of research area, involving all provenances and 180 half−sib families. Heritability coefficients for tree biomass were the greatest for provenances (0.84), average for families (0.58) and the lowest for individual trees (0.18). However, estimates of family heritability varied by provenance (from 0.18 to 0.74). These findings suggest that the most efficient strategy for improvement of productivity in pedunculate oak would be selection of provenances and families within provenances.
    Źródło:
    Sylwan; 2014, 158, 11; 829-839
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Produkcja ulepszonych genetycznie nasion na potrzeby hodowli lasu
    Autorzy:
    Chalupka, W
    Powiązania:
    https://bibliotekanauki.pl/articles/821183.pdf
    Data publikacji:
    1997
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    drzewostany nasienne
    nasiona
    hodowla lasu
    produkcja nasienna
    plantacje nasienne
    lesnictwo
    wartosc genetyczna
    drzewa lesne
    Źródło:
    Sylwan; 1997, 141, 04; 77-84
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Flowering of Picea abies (L.) Karst. clones of Istebna origin in the Kórnik seed orchard
    Autorzy:
    Chalupka, W
    Rozkowski, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/41272.pdf
    Data publikacji:
    2004
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    Norway spruce
    Picea abies
    clone
    flowering
    graft mortality
    genetic variation
    seed orchard
    forest tree species
    Opis:
    The flowering and graft mortality of Norway spruce clones of Istebna origin was only slightly different from clones of other origin in the same seed orchard. The negative effect ofmoving Istebna clones from the south to the north of their origin was probably compensated by moving them from a higher altitude to lowland. There is a danger that the complete loss of several clones, observed in the seed orchard with time,may really decrease the expected level of genetic variation in the progeny. It is recommended that the mortality of grafts and the reduction in the number of clones in the seed orchard should be under permanent observation.
    Źródło:
    Dendrobiology; 2004, 51 Supplement
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Flowering and cone bearing of Picea abies grafts in second-generation seed orchards
    Autorzy:
    Misiorny, A
    Chalupka, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/41542.pdf
    Data publikacji:
    2006
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    Norway spruce
    Picea abies
    cone yield
    seed production
    flowering
    seed orchard
    Opis:
    In 2004, abundant flowering of Norway spruce (Picea abies (L.) Karst.) was observed in two second- generation seed orchards: (1) ‘Outbreeding’, promoting crossing between clones of five geographically distant populations; and (2) ‘Kolonowskie’, restoring a population whose offspring exists only in an international experiment (IUFRO 1964/1968). In bothseed orchards, female strobili were produced by 91.3% and 91.7% of clones, represented by 64.1% and 55.5% of grafts, respectively, and statistically significant differences between clones were found in the number of mature cones. In the case of the seed orchard ‘Outbreeding’, the number of mature cones in individual clones was significantly correlated with latitude of the origin of maternal populations (r = 0.8826, p = 0.0470). The majority (95%) of cones in seed orchards ‘Outbreeding’ and ‘Kolonowskie’ were produced by only 28.2% and 38.5% of all clones, and 21.4% and 25.7% of all grafts, respectively. These data attest to a disparity between the level of genetic diversity in seed orchard progeny resulting from the observed numbers of cone-bearing clones and grafts and the genetic diversity expected from the actual participation of clones and grafts in seed orchard composition. The estimated seed production per 1 ha of seed orchard area in 2004 reached 21.05 kg for ‘Outbreeding’ and 21.72 kg for ‘Kolonowskie’.
    Źródło:
    Dendrobiology; 2006, 56; 51-59
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Environmental pollution changes in membrane lipids, antioxidants and vitality of Scots pine [Pinus sylvestris L.] pollen
    Autorzy:
    Pukacki, P M
    Chalupka, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/57005.pdf
    Data publikacji:
    2003
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    Scotch pine
    pollen
    pollen grain
    Pinus sylvestris
    environment pollution
    membrane
    vitality
    fatty acid
    antioxidant
    freezing stress
    membrane lipid
    phospholipid
    Opis:
    Investigations were carried out on pollen grains of Scots pine (Pinus sylvestris L.) collected from trees at 1.5, 3, 4 km and control, 20 km from the Luboń factory producing mineral fertilisers. The percentage of germination of pollen formed close to the pollution source was ca 20% lower compared to the control pollen. Lowered vitality of the pollen was effected in changes of the structure of cytoplasmic membranes. Pollen from the polluted area contained ca 15% less total phospholipids, mainly phosphatidylcholine and phosphatytidylinositol and had a lower content of soluble proteins and less of low molecular antioxidants, such as thiols and ascorbic acid. Composition of total fatty acid in phospholipids fractions showed a significant reduction in the degree of unsaturation of fatty acids. Pollen originating from the polluted area and stored at -30°C showed considerably stronger degradation of cytoplasmic membranes than control.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2003, 72, 2
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of polluted environment on the female and male strobili bearing of European Scots pine provenances
    Autorzy:
    Chalupka, W.
    Rozkowski, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/41518.pdf
    Data publikacji:
    2000
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    Scotch pine
    pollen
    male flower
    polluted environment
    provenance
    Pinus sylvestris
    male
    female cone
    female
    Opis:
    Studies on female and male strobili production as well as on pollen production and viability were performed at a polluted (Luboń) and a control (Kórnik) sites. Female strobili bearing per tree and total length of male strobili produced per tree were significantly higher in Luboń than in Kórnik and the stand density and tree crown exposition to sunlight were likely responsible for that result. Percentage of pollen germination was not affected by any variables studied. Neither provenance nor provenance x site interactions were found.
    Źródło:
    Dendrobiology; 2000, 45
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Early evaluation of open pollinated offspring from Polish seedling seed orchards of Pinus sylvestris L.
    Autorzy:
    Rozkowski, R
    Chalupka, W.
    Misiorny, A.
    Giertych, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/41741.pdf
    Data publikacji:
    2007
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    Scotch pine
    Pinus sylvestris
    open-pollinated progeny
    quantitative trait
    genetic variation
    genetic value
    seedling
    seed orchard
    Polska
    Opis:
    Field trials with open-pollinated progeny of Scots pine were established in 2004 at five climatically different sites of the Polish lowlands. This long-term experiment was aimed to compare the genetic variation and genetic value of the offspring of twenty two seedling seed orchards and two second-generation seed orchard with the offspring of the local so-called economic seed stands, which are the main source of seeds for artificial regeneration of Scots pine in Poland. The early evaluation of quantitative traits of cones, seeds and 1-year-old seedlings attests to remarkable variation between the studied populations. Significant linear correlatios were found between some of the studied traits.
    Źródło:
    Dendrobiology; 2007, 57; 35-48
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Cechy przyrostowe i jakościowe modrzewia polskiego [Larix decidua subsp. polonica (Racib.) Domin] z Góry Chełmowej w 37-letnim doświadczeniu rodowym
    Growth and quality traits of half-sib progeny of Polish larch [Larix decidua subsp. polonica (Racib.) Domin] from Gora Chelmowa during 37 years of growth
    Autorzy:
    Rozkowski, R.
    Chmura, D.
    Chałupka, W.
    Guzicka, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/973755.pdf
    Data publikacji:
    2011
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    modrzew polski
    Larix polonica
    rody hodowlane
    przyrost drzew
    leśnictwo
    drzewa leśne
    zmienność cech
    przeżywalność
    cechy jakościowe
    powierzchnie doświadczalne
    Góra Chełmowa
    heritability
    productivity
    selection
    European larch
    Opis:
    We have investigated among−family variation in growth and quality traits of Polish larch [Larix decidua subsp. polonica (Racib.) Domin] from Góra Chełmowa and Bliżyn. Growth traits were measured several times during the 37 years of growth in a progeny test in Kórnik (52 15’N and 17 04’E), while quality traits were investigated at age 22. We have found significant among−family variation in survival rate at age 15; DBH at age 15, 20, 22 and 37; and stand productivity at age 22. Family heritability was high for DBH (0.6−0.8), except after the thinning (0.41). For basal area it was increasing from about 0.4 at age 15 to about 0.7 at age 37. The larch population from Góra Chełmowa is distinguished by a characteristic deformation of a lower trunk (saber−shape). Such a deformation was also observed in this experiment with a high family heritability (0.83). Other quality traits – self−prunning, branch thickness and branch length – did not vary among families. In all traits, the larch family from Bliżyn was better−performing than families from Góra Chełmowa. However, a high variation among tested families and high values of heritability estimates lend possibility of selecting best parents that could potentially be crossed with other highly productive ones of better quality to transmit into progeny other favorable traits of larch from Góra Chełmowa – high resistance to abiotic stresses and low susceptibility to larch cancer. Value of such progeny should be tested in the future.
    Źródło:
    Sylwan; 2011, 155, 09; 599-609
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-11 z 11

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