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Wyświetlanie 1-15 z 35
Tytuł:
Genetic diversity and spatial genetic structure of Stellaria holostea populations from urban forest islands
Autorzy:
Wodkiewicz, M.
Gruszczynska, B.
Powiązania:
https://bibliotekanauki.pl/articles/19346.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Źródło:
Acta Biologica Cracoviensia. Series Botanica; 2014, 56, 1
0001-5296
Pojawia się w:
Acta Biologica Cracoviensia. Series Botanica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Genetic differentiation among geographically close populations of Malva alcea
Autorzy:
Celka, Z.
Buczkowska, K.
Baczkiewicz, A.
Drapikowska, M.
Powiązania:
https://bibliotekanauki.pl/articles/19667.pdf
Data publikacji:
2010
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Źródło:
Acta Biologica Cracoviensia. Series Botanica; 2010, 52, 2
0001-5296
Pojawia się w:
Acta Biologica Cracoviensia. Series Botanica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fusarium head blight (FHB) and Fusarium populations in grain of winter wheat grown in different cultivation systems
Autorzy:
Lenc, L.
Powiązania:
https://bibliotekanauki.pl/articles/65220.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Opis:
Fusarium head blight (FHB) incidence, and colonisation of grain by Fusarium species on winter wheat grown in organic, integrated, and conventional systems as well as in monoculture, were studied locally in Poland, from 2002 to 2010. Fusarium head blight incidence differed throughout the study years. It was found to occur the most where rainfall was highest and where rainfall was the most prolonged before, during, and after flowering of wheat. Fusarium head blight incidence was generally less on wheat grown organically than on wheat grown in other systems. In some years, FHB was noted more in monocultures than in other systems. Fusarium poae was the most common species of FHB populations in wheat kernels, followed by F. avenaceum and F. tricinctum. Other species which occurred more rarely or sporadically were: F. culmorum, F. equiseti, F. graminearum, F. langsethiae, F. oxysporum, and F. sporotrichioides. There were found to be significant effects of the cropping system on grain colonisation by Fusarium in some years. There was a positive correlation between FHB incidence and number of kernels colonised and damaged by Fusarium, in all four systems. Inferences were drawn concerning the effects of different procedures in different production systems and the possible value for controlling FHB.
Źródło:
Journal of Plant Protection Research; 2015, 55, 1
1427-4345
Pojawia się w:
Journal of Plant Protection Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Populations of Saxifraga oppositifolia L., in Spitsbergen tundra in different ecological conditions
Autorzy:
Pirożnikow, Ewa
Powiązania:
https://bibliotekanauki.pl/articles/2052721.pdf
Data publikacji:
1993
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Arctic
Spitsbergen
Saxifraga oppositifolia
population structure
Źródło:
Polish Polar Research; 1993, 14, 4; 355-382
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Northernmost Populations of Tetraspora Gelatinosa (Chlorophyta) from Spitsbergen
Autorzy:
Richter, Dorota
Matuła, Jan
Pietryka, Mirosława
Powiązania:
https://bibliotekanauki.pl/articles/2051143.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Arctic
Svalbard
green algae
Volvocales
pseudocilia
Źródło:
Polish Polar Research; 2014, 3; 521-538
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Thallium hyperaccumulation in Polish populations of Biscutella laevigata (Brassicaceae)
Autorzy:
Wierzbicka, M.
Pielichowska, M.
Abratowska, A.
Wilkomirski, B.
Wysocka, I.
Panufnik-Medrzycka, D.
Bulska, E.
Powiązania:
https://bibliotekanauki.pl/articles/19734.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Opis:
Biscutella laevigata L. is known as a Tl hyperaccumulator. In Poland Biscutella laevigata occurs in the Tatra Mts (Western Carpathians) and on the calamine waste heap in Bolesław near Olkusz (Silesian Upland). The purpose of this work was to evaluate whether plants of both populations were able to accumulate an elevated amount of thallium in their tissues. The plants were cultivated in calamine soil in a glasshouse for a season and studied at different ages – from 2-week-old seedlings to 10-month-old adults. Additionally, the plants were grown for ten weeks in calamine soil with EDTA to enhance Tl bioavailability. The total content of Tl in plant tissues after digestion was determined by ICP-MS, whereas its distribution in leaves was studied by LA-ICP-MS. Of the total content of Tl in the soil in the range of (15.2–66.7) mg·kgˉ¹d.m., only (1.1–2.1) mg·kgˉ¹d.m. was present in a bioavailable form. The mean content in all the plants grown on the soil without EDTA was 98.5 mg·kgˉ¹d.m. The largest content was found in leaves – 164.9 mg·kgˉ¹d.m. (max. 588.2 mg·kgˉ¹d.m.). In the case of plants grown on the soil enriched with EDTA, the mean content in plants increased to 108.9 mg·kgˉ¹d.m., max. in leaves – 138.4 mg·kgˉ¹d.m. (max. 1100 mg·kgˉ¹d.m.). The translocation factor was 6.1 in the soil and 2.2 in the soil with EDTA; the bioconcentration factor amounted to 10.9 and 5.8, respectively. The plants from both populations did not contain a Tl amount clearly indicating hyperaccumulation (100–500 mg·kgˉ¹d.m.), however, high (>1) translocation and bioconcentration factors suggest such an ability. It is a characteristic species-wide trait; B. laevigata L. is a facultative Tl hyperaccumulator. The largest Tl amount was located at the leaf base, the smallest at its top. Thallium also occurred in trichomes, which was presented for the first time; in this way plants detoxify Tl in the above-ground parts. Leaves were much more hairy in the Bolesław plants. This is an adaptation for growth in the extreme conditions of the zinc-lead waste heap with elevated Tl quantity.
Źródło:
Acta Biologica Cracoviensia. Series Botanica; 2016, 58, 2
0001-5296
Pojawia się w:
Acta Biologica Cracoviensia. Series Botanica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Adenophora liliifolia: condition of its populations in Central Europe
Autorzy:
Prausova, R.
Mareckova, L.
Kapler, A.
Majesky, L.
Farkas, T.
Indreica, A.
Safarova, L.
Kitner, M.
Powiązania:
https://bibliotekanauki.pl/articles/19913.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Opis:
This study deals with populations of the European-South-Siberian geoelement Adenophora liliifolia (L.) A. DC. in the Czech Republic, Slovakia, Hungary, Romania, and Poland, where this species has its European periphery distribution. We studied the population size, genetic variability, site conditions, and vegetation units in which A. liliifolia grows. Recent and historical localities of A. liliifolia were ranked into six vegetation units of both forest and non-forest character. A phytosociological survey showed differences in the species composition among localities. Only a weak pattern of population structure was observed (only 22% of total genetic variation present at the interpopulation level, AMOVA analysis), with moderate values for gene diversity (Hj = 0.141) and polymorphism (P = 27.6%). Neighborjoining and Bayesian clusterings suggest a similar genetic background for most of the populations from Slovakia, the Czech Republic, and Poland, contrary to the populations from Hungary, Romania, as well as two populations from Central and South Slovakia. This might be explained by a relatively recent fragmentation of the A. liliifolia populations in Central Europe. Nevertheless, it seems that several populations in Romania, South Hungary, and Slovakia were isolated for a longer period of time and their genetic differentiation is more evident.
Źródło:
Acta Biologica Cracoviensia. Series Botanica; 2016, 58, 2
0001-5296
Pojawia się w:
Acta Biologica Cracoviensia. Series Botanica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of herbicide-resistance status on populations of littleseed canarygrass (Phalaris minor Retz.) from southern Greece and suggestions for their effective control
Autorzy:
Travols, I.S.
Powiązania:
https://bibliotekanauki.pl/articles/64989.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Opis:
In 2010, a survey was conducted in the wheat fields of a typical cereal-producing region of Greece to establish the frequency and distribution of herbicide-resistant littleseed canarygrass (Phalaris minor Retz.). In total, 73 canarygrass accessions were collected and screened in a field experiment with several herbicides commonly used to control this weed. Most of the weed populations were classed as resistant (or developing resistance) to the acetyl-CoA varboxylase (ACCase)-inhibiting herbicide diclofop, while resistance to clodinafop was markedly lower. The results of the pot experiments showed that some of the canary populations were found to have a very high level of diclofop resistance (resistance index up to 12.4), while cross resistance with other herbicides was also common. The levels of resistance and cross resistance patterns among populations varied along with the different amounts and times of selection pressure. Such variation indicated either more than one mechanism of resistance or different resistance mutations in these weed populations. The population which had the highest diclofop resistance level, showed resistance to all aryloxyphenoxypropinate (APP) herbicides applied and non-ACCase inhibitors. Alternative ACCase-inhibiting herbicides, such as pinoxaden remain effective on the majority of the tested canarygrass populations, while the acetolactate synthase (ALS)-inhibiting herbicide mesosulfuron + iodosulfuron could also provide some solutions. Consequently, there is an opportunity to effectively control canarygrass by selecting from a wide range of herbicides. It is the integration of agronomic practices with herbicide application, which helps in effective management of P. minor and particularly its resistant populations.
Źródło:
Journal of Plant Protection Research; 2012, 52, 3
1427-4345
Pojawia się w:
Journal of Plant Protection Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Genetic and epigenetic variation in a cosmopolitan grass Poa annua from Antarctic and Polish populations
Autorzy:
Chwedorzewska, Katarzyna J.
Bednarek, Piotr B.
Powiązania:
https://bibliotekanauki.pl/articles/2051472.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Antarctic
Poa annua
invasive species
metAFLP
Źródło:
Polish Polar Research; 2012, 1; 63-80
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Spatial genetic structure within populations of Sorbus torminalis (L.) Crantz: comparative analysis of the self-incompatibility locus and nuclear microsatellites
Autorzy:
Jankowska-Wroblewska, S.
Warmbier, J.
Burczyk, J.
Powiązania:
https://bibliotekanauki.pl/articles/19418.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Opis:
Distribution of genetic diversity among and within plant populations may depend on the mating system and the mechanisms underlying the efficiency of pollen and seed dispersal. In self-incompatible species, negative frequency- dependent selection acting on the self-incompatibility locus is expected to decrease intensity of spatial genetic structure (SGS) and to reduce population differentiation. We investigated two populations (peripheral and more central) of wild service tree (Sorbus torminalis (L.) Crantz), a self-incompatible, scattered tree species to test the differences in population differentiation and spatial genetic structure assessed at the self-incompatibility locus and neutral nuclear microsatellites. Although, both populations exhibited similar levels of genetic diversity regardless of the marker type, significant differentiation was noticed. Differences between FST and RST suggested that in the case of microsatellites both mutations and drift were responsible for the observed differentiation level, but in the case of the S-RNase locus drift played a major role. Microsatellites indicated a similar and significant level of spatial genetic structure in both populations; however, at the S-RNase locus significant spatial genetic structure was found only in the fragmented population located at the north-eastern species range limits. Differences in SGS between the populations detected at the self-incompatibility locus were attributed mainly to the differences in fragmentation and population history.
Źródło:
Acta Biologica Cracoviensia. Series Botanica; 2016, 58, 1
0001-5296
Pojawia się w:
Acta Biologica Cracoviensia. Series Botanica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Entomopathogenic fungi in populations of the satin moth Stilpnotia salicis L.
Autorzy:
Ziemnicka, J
Sosnowska, D.
Powiązania:
https://bibliotekanauki.pl/articles/65121.pdf
Data publikacji:
1997
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Beauveria bassiana
satin moth
Stilpnotia salicis
Aspergillus flavus
fungi
entomopathogenic fungi
population
Opis:
Six fungal species, Aspergillus flavus Link ex Fr., Beauveria bassiana (Bals.) Vuill., Acremonium sensu Gams, Fusarium sp. Link ex Fr., Paecilomyces farinosus (Holm. ex Gray) Brown et Smith as well a Paecilomyces fumosoroseus (Wize) Brown et Smith, have been isolated as result of studies on entomopathogenic fungi of the satin moth Stilpnotia salicis. The epizootic induced by the fungus B. bassiana in 1994 caused about 92% reduction of the pest population. That has been noted for the first time in a natural population of S. salicis in Poland.
Badania nad entomopatogennymi grzybami prowadzono w latach 1972 - 1996 na 33 populacjach białki wierzbówki Stilpnotia salicis L. pochodzących z 12 województw: bydgoskiego, ciechanowskiego, kaliskiego, katowickiego koszalińskiego, leszczyńskiego, legnickiego, płockiego, poznańskiego, toruńskiego, włocławskiego i zielonogórskiego. Trzynaście badanych populacji zakażonych było grzybami, w tym w jedenastu stwierdzono mieszaną infekcję z wirusami. Wyizolowano 6 gatunków grzybów: Aspergillus flavus Link ex Fr., Beauveria bassiana (Bals.) Vuill., Acremonium sensu Gams, Fusarium sp. Link ex Fr., Paecilomyces farinosus (Holm. ex Gray) Brown et Smith oraz Paecilomyces fumosoroseus (Wize) Brown et Smith. Obserwowana w 1994 roku epizoocja wywołana przez grzyb B. bassiana spowodowała około 92% redukcję populacji szkodnika. Zjawisko to notowane było po raz pierwszy w naturalnej populacji S. salicis w Polsce.
Źródło:
Journal of Plant Protection Research; 1997, 37, 1-2
1427-4345
Pojawia się w:
Journal of Plant Protection Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Flow cytometric estimation of ploidy in anisoploid sugar-beet populations
Autorzy:
Sliwinska, E
Steen, P.
Powiązania:
https://bibliotekanauki.pl/articles/2048141.pdf
Data publikacji:
1995
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
production
Beta vulgaris
poliploid cultivar
ploidy determination
nuclear DNA
flow cytometry
DNA
seed
sugar-beet
Opis:
Determination of ploidy level is a common practice in sugar-beet breeding and seed production. Lately many laboratories have replaced microscopic chromosome counting by flow cytometric estimation of the nuclear DNA content. The possibility of direct estimation of cytological composition in anisoploid populations instead of individual plant analyses was investigated. Diploid, triploid and tetraploid sugar-beet lines as well as their mixtures were tested. The results obtained show that the suggested method is fast, simple and, after a proper transformation of the computer values, could be applied in breeding and seed production of polyploid crops. Precise estimation of contamination by small admixture of seeds or plants of undesirable ploidy, however, requires individual plant rather than population analyses.
Źródło:
Journal of Applied Genetics; 1995, 36, 2; 111-118
1234-1983
Pojawia się w:
Journal of Applied Genetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Enthomopathogenic fungi in populations of the satin moth Stilpnotia salicis L.
Grzyby owadobojcze w populacjach bialki wierzbowki Stilpnotia salicis L.
Autorzy:
Ziemnicka, J
Sosnowska, D.
Powiązania:
https://bibliotekanauki.pl/articles/65740.pdf
Data publikacji:
1997
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
bialka wierzbowka
Stilpnotia salicis
grzyby owadobojcze
Opis:
Six fungal species, Aspergillus flavus Link ex Fr., Beauveria bassiana (Bals.) Vuill., Acremonium sensu Gams, Fusarium sp. Link ex Fr., Paecilomyces farinosus (Holm. ex Gray) Brown et Smith as well a Paecilomyces fumosoroseus (Wize) Brown et Smith, have been isolated as result of studies on entomopathogenic fungi of the satin moth Stilpnotia salicis. The epizootic induced by the fungus B. bassiana in 1994 caused about 92% reduction of the pest population. That has been noted for the first time in a natural population of S. salicis in Poland.
Badania nad entomopatogennymi grzybami prowadzono w latach 1972 - 1996 na 33 populacjach białki wierzbówki Stilpnotia salicis L. pochodzących z 12 województw: bydgoskiego, ciechanowskiego, kaliskiego, katowickiego koszalińskiego, leszczyńskiego, legnickiego, płockiego, poznańskiego, toruńskiego, włocławskiego i zielonogórskiego. Trzynaście badanych populacji zakażonych było grzybami, w tym w jedenastu stwierdzono mieszaną infekcję z wirusami. Wyizolowano 6 gatunków grzybów: Aspergillus flavus Link ex Fr., Beauveria bassiana (Bals.) Vuill., Acremonium sensu Gams, Fusarium sp. Link ex Fr., Paecilomyces farinosus (Holm. ex Gray) Brown et Smith oraz Paecilomyces fumosoroseus (Wize) Brown et Smith. Obserwowana w 1994 roku epizoocja wywołana przez grzyb B. bassiana spowodowała około 92% redukcję populacji szkodnika. Zjawisko to notowane było po raz pierwszy w naturalnej populacji S. salicis w Polsce.
Źródło:
Journal of Plant Protection Research; 1997, 37, 1-2; 128-137
1427-4345
Pojawia się w:
Journal of Plant Protection Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Determination of cytokine profiles in populations of dendritic cells from cattle infected with bovine leukaemia virus
Autorzy:
Iwan, E.
Szczotka, M.
Kocki, J.
Pluta, A.
Powiązania:
https://bibliotekanauki.pl/articles/2087622.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
bovine leukaemia virus
dendritic cells
cytokines
Źródło:
Polish Journal of Veterinary Sciences; 2018, 21, 4; 681-690
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
WAS JOHN CALVIN A TCK?: APPLYING MODERN SOCIO-SCIENTIFIC RESEARCH ON HIGHLY MOBILE POPULATIONS TO HISTORICAL STUDIES
Autorzy:
Powell, Raymond A.
Powiązania:
https://bibliotekanauki.pl/articles/580158.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
JOHN CALVIN
TCK
CULTURAL MOBILITY
GEOGRAPHIC MOBILITY
REFUGEE
IMMIGRANT
Opis:
Surprisingly little is known about the developmental years of the Protestant Reformer John Calvin, yet scholars agree that experiences in Calvin’s youth were critical to shaping his theology. It is possible that insights from TCK studies can aid Calvin scholars? Calvin does fit the profile of a TCK. He spent his teenage years living away from his family home in a distinct cultural enclave. Furthermore, he not only thought of himself as one foreign or apart, he exhibited a number of TCK characteristics. Assuming Calvin was a TCK, it is possible to analyze his personality, his theology, and his scriptural interpretation through the lens of modern socio-scientific research on highly mobile populations. Such analysis illumines the insights of Calvin scholars who have already identified Calvin’s experience of cultural and geographic mobility as the root of his patterns of social behavior, theological concepts such as an emphasis on the sovereignty of God, and his empathy with scriptural narratives involving pilgrimage. More importantly, the usefulness of TCK research in studying John Calvin suggests that modern socio-scientific studies of highly mobile populations may be equally valuable to historians working on other groups or individual or in other fields.
Źródło:
Studia Migracyjne - Przegląd Polonijny; 2014, 40, 3(153); 139-150
2081-4488
2544-4972
Pojawia się w:
Studia Migracyjne - Przegląd Polonijny
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 35

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