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    Tytuł:
    Współwystępowanie nicieni owadobójczych i szkodników drzew w zbiorowiskach leśnych w północnej Polsce
    Co-occurrence of entomopathogenic nematodes and tree pests in forest communities of northern Poland
    Autorzy:
    Dzięgielewska, M.
    Skwiercz, A.T.
    Powiązania:
    https://bibliotekanauki.pl/articles/985868.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    ochrona lasu
    metody biologiczne
    nicienie owadobojcze
    Steinernematidae
    Heterorhabidtidae
    zywiciele potencjalni
    owady
    szkodniki roslin
    wspolwystepowanie
    steinernema
    heterorhabditis
    woodland
    insect pests
    host preference
    Opis:
    Repeating outbreaks of the Scots pine pests, effecting in stands damages, are the most important problems of forest protection. In extreme cases they pose a real threat to the stability of stands. Naturally occurring entomopathogenic nematodes are important regulatory factors in insect populations. Many species are employed as biological agents to control the insect pests. The objectives of this research was to describe the influence of potential forest pests on occurrence and abundance of entomopathogenic nematodes. Entomopathogenic nematodes (Steinernematidae and Heterorhabditidae) were studied in woodland soils in northern Poland. Soil samples were collected from 2010 to 2015 from coniferous forests with abundant suitable insect hosts: the beetle grubs of Melolontha melolontha L. living in the soil (Coleoptera: Scarabaeidae) and foliage feeders Diprionidae spp. (Hymenoptera) and the caterpillar of Dendrolimus pini L., Panolis flammea Den. et Schiff. and Bupalus piniarius L. butterflies. Nematodes occurred in all type of forest and 171 soil samples were taken from 40 localities. Each study plot was approximately 100 m2 and 20 cm deep; 50 individual samples were taken using Egner’s stick, making the bulk sample approximately 600 cm3 in volume. The presence of entomopathogenic nematodes in the soil samples were determined using a standard Galleria mellonella baiting technique. Entomopathogenic nematodes were isolated from 52 soil samples (30,4%). Three species of the genus Steinernema (Steinernema feltiae, S. affine, S. silvaticum) and anyone of the genus Heterorhabditis were recorded. S. feltiae was the most common species and distinguished by the largest ecological flexibility especially to hosts. The largest number of S. feltiae samples was isolated in the places of butterfly outbreak P. flammea and also in the places of mass occurrence of beetle grubs of M. melolontha. In the feeding places of beetle of Scarabaeidae a high share of S. affine was noted too. The more rarely noted was S. silvaticum especially in outbreak of Diprionidae spp. The most abundance of entomopathogenic nematodes community was 140 000 ind./m2 in sites with M. melolontha grubs.
    Źródło:
    Sylwan; 2018, 162, 12; 1007-1017
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The influence of selected abiotic factors on the occurrence of entomopathogenic nematodes (Steinernematidae, Heterorhabditidae) in soil
    Autorzy:
    Dziegielewska, M.
    Skwiercz, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/905361.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
    Opis:
    Original research confirms a significant impact of abiotic factors, such as soil type and physicochemical properties, on the biological activity and infectivity of entomopathogenic nematodes from the Steinernematidae and Heterorhabditidae families. Nematodes were found to prefer sandy loam soils; however, the highest species diversity was found in sandy soils. Some species of nematodes were associated with a specific type of soil. For example, Steinernema silvaticum and Heterorhabditis bacteriophora were found only in sands, and H. megidis predominantly in clay. Nematodes were found in soils of varying pH levels, although individual species preferred a certain degree of acidity. S. bicornutum and H. megidis were found only in alkaline soils, while others, such as S. silvaticum, only in acidic environments (pH<4.5).
    Źródło:
    Polish Journal of Soil Science; 2018, 51, 1
    0079-2985
    Pojawia się w:
    Polish Journal of Soil Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Populations of parasitic nematodes colonizing Jerusalem artichoke (Helianthus tuberosus L.)
    Autorzy:
    Zapalowska, A.
    Skwiercz, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/57124.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Opis:
    The populations of parasitic nematodes colonizing the rhizosphere of Helianthus tuberosus L. grown in Polish plantations were studied in the summer of 2016 and the spring of 2017. A total of 35 nematode species were identified: Paratrichodorus pachydermus, Trichodorus cylindricus, T. viruliferus, Longidorus attenuatus, L. elongatus, L. leptocephalus, Criconema annuliferum, Criconemoides informis, Mesocriconema rusticum, M. solivagum, M. xenoplax, Paratylenchus nanus, P. neoamblycephalus, P. projectus, Bitylenchus dubius, B. maximus, Merlinius brevidens, M. nothus, Scutylenchus quadrifer, S. tartuensis, Helicotylenchus digonicus, H. pseudorobustus, H. vulgaris, Rotylenchus pumilus, R. robustus, Pratylenchus crenatus, P. fallax, P. neglectus, Hirschmanniella gracilis, Aphelenchoides fragariae, Aphelenchus avenae, A. eremitus, Ditylenchus dipsaci, and D. medicaginis. Aphelenchoides fragariae and Ditylenchus dipsaci could be foliar pathogens of H. tuberosus L. This is the first study to demonstrate the presence of A. fragariae on the leaves of the Jerusalem artichoke in Poland. The frequencies of occurrence and population densities of the 35 nematode species were determined.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2018, 87, 2
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Plant parasitic nematodes in the soil and roots of winter wheat grown in crop rotation and long-term monoculture
    Autorzy:
    Zaton, K.K.
    Skwiercz, A.T.
    Adamiak, E.
    Szelagowska, P.
    Hury, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/66002.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    plant parasite
    parasitic nematode
    nematode
    pathogenic fungi
    cereal virus
    soil
    root
    wheat
    winter wheat
    crop rotation
    long-term monoculture
    Opis:
    The species structure of plant parasitic nematode populations from the rhizosphere of winter wheat grown with crop rotation or in 48-year-old monoculture was analyzed and compared. Dominating species: Bitylenchus dubius, Merlinius microdorus, Paratylenchus neglectus and Heterodera avenae, in monoculture plots, had higher populations than in crop rotation plots. Heterodera avenae eggs and larvae were infected by pathogenic fungi in 68% of the monoculture crops (vs. 65–66% of the cysts from crop rotation), 12–20% of Paratylenchus sp. specimens were colonized by bacteria, mainly by Bacillus penetrans. This study shows nematological changes occurring in long-term wheat breeding, thus providing additional information necessary to fight dangerous viral vectors of the examined cereal.
    Źródło:
    Journal of Plant Protection Research; 2018, 58, 2
    1427-4345
    Pojawia się w:
    Journal of Plant Protection Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Nicienie entomopatogenne w lasach i szkółkach leśnych
    Entomopathogenic nematodes in the soil of forests and nurseries
    Autorzy:
    Skwiercz, A.T.
    Zapałowska, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/985853.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    lasy
    szkolki lesne
    ochrona lasu
    zwalczanie szkodnikow
    metody biologiczne
    nicienie owadobojcze
    Steinernematidae
    Heterorhabidtidae
    biopreparaty
    epns
    steinernema
    heterorhabditis
    biological pest control
    insects
    Opis:
    There are many serious pests in forest nurseries, which can be killed by entomopathogenic nematodes (EPNs) applied to soil. The paper presents a method of biological control, which is appropriate for destroying harmful insects, and is an alternative to chemicals−based approach. Both, the rules and technical conditions concerning the application of biological preparations for insects control are discussed. Facing the problem of excessive chemicalization, especially in the forest nurseries, the authors, in accordance with EU Directives, reviewed the opportunities for biological methods of forest crops protection against seven of the most harmful species of insects. Selection of EPNs for control of a particular pest insect is based on several factors that include the nematode’s host range, host finding or foraging strategy, tolerance of environmental factors and their effects on survival and efficacy (temperature, moisture, soil type, exposure to ultraviolet light, salinity). The most critical factors are moisture, temperature, pathogenicity for the targeted insect, and foraging strategy. Entomopathogenic Nematodes for Control of Insect Pests from the genera Steinernematidae and Heterorhabditidae cooperating with mutualistic bacteria were described accurately in this paper. They are capable of killing a broad range of insects. Applied to the soil, they can persist long in the environment and moreover they improve the soil quality. However, along with all the benefits, disadvantages of presented method were also discussed. Namely the abiotic conditions, technique, and limitations of their effectiveness. We presented a list of commercially produced EPNs, which are currently in use in Poland. We also reviewed the World’s literature on the successful use of EPNs and discussed aspects of their commercialization. The wider use of biological preparations containing EPNs should be implemented in the near future.
    Źródło:
    Sylwan; 2018, 162, 12; 1018-1028
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Nematodes (Nematoda) in Polish forests. I. Species inhabiting soils of nurseries
    Autorzy:
    Skwiercz, A.T.
    Powiązania:
    https://bibliotekanauki.pl/articles/66501.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    The paper presents the results of the analysis of 472 soil samples collected in the 1986-1987 time period, from 209 forest nurseries located in different regions of Poland. In total, 119 species of nematodes belonging to 56 genera were found: 64 species considered as plant feeders - parasites of higher plants, 34 species classified as fungal, epidermal cell and plant root hair feeders, 12 species of predatory nematodes, 2 species of omnivorous and 6 species of bacterial feeders. The most frequent species was Aphelenchus avenae which occurred in 45% of samples, followed by Paratylenchus projectus 22%, A. saprophilus 21%, A. bicaudatus 20%, P. pachydermus 20%, Trichodorus sparsus 20%, Aphelenchoides composticola 18%, A. parietinus 18%, Pratylenchus crenatus 17%, Bitylenchus dubius 14%, and P. penetrans 11%. Several species were very abundant e.g. maximal population density (number of specimens in 200 cm3 of soil) of Cephalenchus hexalineatus was 3,180 individuals, of A. saprophilus 2,500 individuals, of Filenchus nemorosus 2,450 specimens, of Ditylenchus anchilisposomus 850 individuals, of Meloidogyne hapla 800 individuals, of Coslenchus costatus 560 individuals, of B. dubius 410 specimens, and of Roty-lenchus robustus 400 specimens. Nematode communities very poor in omnivorous and predatory species indicated that soil quality in the forest nurseries was very low. Such a finding means that seedlings could be less resistant to parasites and pathogens. The obtained results indicated that P. penetrans, R. robustus and species belonging to the family Trichodoridae could inhibit the growth of seedlings in nurseries.
    Źródło:
    Journal of Plant Protection Research; 2012, 52, 1
    1427-4345
    Pojawia się w:
    Journal of Plant Protection Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Nematodes in the vineyards in the northwestern part of Poland
    Nicienie winorośli północno-zachodniej Polski
    Autorzy:
    Skwiercz, A.T.
    Dzięgielewska, M.
    Szelągowska, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/11543153.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Opis:
    The knowledge on nematodes occurrence in Polish vineyards is poor. The surveys of the species from the rhizosphere of plants were conducted between 2013 and 2014 in 12 vineyards in the northwestern part of Poland. Recovery of the nematodes was made in two steps. First, through incubation of 50 g of the roots on sieve. Second, by centrifugation method using 200 g of soil. Nematodes obtained were killed by hot 6% formaline and then processed to glycerine. Permanent slides were determined to the species using keys. During this process there were obtained nematode species from which 12 belonged to genus of fungivorous, 4 to genus of bacteriavorous and 38 to plant parasitic species. Ten of them are known as nematode vectors of plant viruses (GYFV, CLRV, TRV, AMV, SLRV, GLRaV-1, -2, -3, GVA, GVB, GVE, GFLV, GCMV, GrSPaV, GFkV, GRSPaV). Nematode fauna of vineyards needs broadly searching, especially nematode vectors of plant viruses, which are serious enemy to the vineyards. Studies on Aphelenchoides ritzemabosi in vine plants disease complex are necessary.
    Występowanie nicieni w uprawie winorośli w Polsce jest słabo opracowane. Badania gatunków nicieni wokół korzeni winorośli przeprowadzono w latach 2013–2014 w 12 winnicach na terenie północno-zachodniej Polski. Nicienie pozyskiwano w 2 etapach: inkubacji z 50 g korzeni na sitach oraz metodą wirówkową z 200 g gleby. Nicienie zabite 6% gorącą formaliną przeniesiono do gliceryny. Stałe preparaty oznaczano do gatunku z użyciem kluczy. Podczas badan pozyskano gatunki nicieni, z których 12 należało do rodzajów nicieni grzybożernych, 4 do rodzaju bakteriożernych i 38 gatunków nicieni pasożytów roślin. Dziesięć z nich uznaje się za wektory wirusów roślinnych. Fauna nicieni winorośli wymaga szerszych badań, zwłaszcza nicieni przenoszących wirusy roślinne, które są poważnym zagrożeniem dla upraw winorośli. Celowe są też badania nad rolą Aphelenchoides ritzemabosi w kompleksowej chorobie winorośli.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2015, 14, 3; 3-12
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Nematodes associated with plant growth inhibition in the Wielkopolska region
    Autorzy:
    Winiszewska, G.
    Dmowska, E.
    Chalanska, A.
    Dobosz, R.
    Kornobis, F.
    Ilieva-Makulec, K.
    Skwiercz, A.
    Wolny, S.
    Ishaqe, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/64987.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    nematode
    plant growth
    inhibition
    plant parasite
    Wielkopolska region
    Opis:
    The list of species of the plant parasitic nematodes presented in this paper (133 species belonging to 14 families) is based on the results of faunistic research conducted in the Wielkopolska region by Polish nematologists up until the year 2010, and the results obtained from the project “Elaboration of Innovative Methods for Rapid Identification of Nematodes Causing Damage to the Economy” managed by the Museum and Institute of Zoology of the Polish Academy of Sciences. During the two years of the project (2010-2011) we found 21 species of nematodes which had not yet been reported in the list of species from the Wielkopolska region. Two of them were reported for the first time in Poland.
    Źródło:
    Journal of Plant Protection Research; 2012, 52, 4
    1427-4345
    Pojawia się w:
    Journal of Plant Protection Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Bursaphelenchus xylophilus (Steiner et Buhrer, 1934) (= B. lignicolus) (Mamiya et Kiychara, 1972) (Nematoda - Aphelenchoiidae) - pasożyt sosny
    Bursaphelenchus xylophilus (Steiner et Buhrer, 1934) (= B. lignicolus) (Mamiya et Kiychara, 1972) (Nematoda - Aphelenchoiidae) - pine wood nematode
    Bursaphelenchus xylophilus (Steiner et Buhrer, 1934) (= B. lignicolus) (Mamiya et Kiychara, 1972) (Nematoda - Aphelenchoiidae) - parozit sosny
    Autorzy:
    Skwiercz, A.T.
    Powiązania:
    https://bibliotekanauki.pl/articles/820437.pdf
    Data publikacji:
    1988
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    drzewa lesne
    sosna
    Pinus
    szkodniki kwarantannowe
    nicienie
    Bursaphelenchus xylophilus
    znaczenie gospodarcze
    Źródło:
    Sylwan; 1988, 132, 11-12
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-10 z 10

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