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    Wyświetlanie 1-3 z 3
    Tytuł:
    Podatność wybranych odmian wierzby Salix spp. na fitofagi
    Susceptibility of chosen willow salix spp. varieties to pests
    Autorzy:
    Nijak, Katarzyna
    Miziniak, Wojciech
    Powiązania:
    https://bibliotekanauki.pl/articles/2057043.pdf
    Data publikacji:
    2015-12-22
    Wydawca:
    Centrum Doradztwa Rolniczego w Brwinowie. Oddział w Poznaniu
    Tematy:
    odmiany wierzby
    odporność
    owady
    hodowla wierzby
    fitofagi
    willow varieties
    resistance
    pests
    insects
    cultivation
    Opis:
    Celem przeprowadzonych badań było wytypowanie odmian wierzby najbardziej i najmniej atrakcyjnych pokarmowo dla szkodników. Badania prowadzono na trzech odmianach Turbo, Start i Kortowska. Wykazano różną atrakcyjność pokarmową badanych odmian wierzby. Najsilniej atakowaną odmianą był Start. Najmniejsze uszkodzenia blaszek liściowych zanotowano w odmianie Turbo.
    The aim of the study was to select willow varieties the most and the least attractive as a food source to pests. Three willow varieties were chosen: Turbo, Start and Kortowska. They characterized with diverse attractiveness. Start was attacked the most often and the plants belonging to Turbo variety had their leaf blades the least damaged.
    Źródło:
    Zagadnienia Doradztwa Rolniczego; 2015, 82, 4; 133-139
    1232-3578
    2719-8901
    Pojawia się w:
    Zagadnienia Doradztwa Rolniczego
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Potencjał nietoperzy w biologicznej ochronie lasu
    Bats as a potential biological pest control agent in forest
    Autorzy:
    Burgiell, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/985874.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    ochrona lasu
    ochrona biologiczna
    nietoperze
    Chiroptera
    sklad pokarmu
    owady
    szkodniki roslin
    bats
    forest pests
    pest control
    forest protection
    Opis:
    Bats have a set of features that make them very effective insects predators, thus they can potentially play an important role as a biological pest control agent in forests. The active flight ability, nocturnal lifestyle, high level of metabolism and a lack of a significant threat from predators make bats the most important predators of insects active in the evening and at night. All bats species noted in Poland are associated with forests, where they use various microhabitats and forage on various types of prey. According to foraging strategy and diet, insect−eating bats have been divided into several ecomorphological groups, which shows different efficacy in foraging on particular species of forest insects pests. Numerous studies indicate that bats diet includes primary forest pests from order Lepidoptera and also some species from Diptera and Coleoptera. Forest pests from Lepidoptera and Diptera represent a significant share in the diet of gleaning bats, especially long eared bats Plecotus sp., barbastelle Barbastella barbastellus and Natterer’s bats Myotis nattererii. During the swarming period Melolonthinae sp. and Amphimallon sp. (Coleoptera) dominate in the diet of all larger species of bats, especially aerial hawkers and bats foraging along the linear elements in the landscape: serotine bat Eptesicus serotinus, commone noctule Nyctalus noctula, lesser noctule Nyctalus leisleri and mouse eared bat Myotis myotis (which forage mainly on ground beetles). Moreover many bat species are able to change diet and adapt it to the most abundant prey. According to forest protection, the most important guilds are gleaners, bats foraging in the dense vegetation and canopy and aerial hawkers. Bats have a great potential as a biological control agents and all conservation practices including this group of animals will simultaneously support the natural forest resistance mechanisms.
    Źródło:
    Sylwan; 2018, 162, 09; 707-717
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    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
      Wyświetlanie 1-3 z 3

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