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Wyszukujesz frazę "Phytophthora cambivora" wg kryterium: Temat

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    Tytuł:
    Występowanie i ocena chorobotwórczości izolatów Phytophthora spp. uzyskanych z rzek i zbiornika wodnego
    Occurrence of Phytophthora spp. in forest rivers and water pond and colonization of plants by isolates of that genera
    Autorzy:
    Orlikowski, L.B.
    Ptaszek, M.
    Trzewik, A.
    Wierzchowski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/972778.pdf
    Data publikacji:
    2012
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    cieki wodne
    rzeki
    rzeka Korabiewka
    rzeka Rawka
    rzeka Skierniewka
    rzeka Zwierzynka
    zbiorniki wodne
    wody stojace
    izolaty grzybowe
    grzyby chorobotworcze
    Phytophthora
    wykrywanie
    Phytophthora plurivora
    Phytophthora cambivora
    Phytophthora citrophthora
    Phytophthora megasperma
    Phytophthora lacustris
    chorobotworczosc
    detection
    rivers
    water pond
    colonization
    plant
    Opis:
    Using of rhododendron leaf baits, Phytophthora cambivora, P. citrophthora, P. megasperma, P. plurivora and P. lacustris were detected from 4 rivers running through forests as well as in forest water pond. P. plurivora was the most often detected species from all water sources. The genera was detected all over the year with different population densities in relation to month and water source. Isolates of 4 Phytophthora species colonized roots, stem parts and leaves of tested plants. It points them as a potential pathogens for forest and landscape plants.
    Źródło:
    Sylwan; 2012, 156, 07; 533-541
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Podatność polskich proweniencji i rodów dębu szypułkowego (Quercus robur L.) na zasiedlenie przez Phytophthora cambivora
    Susceptibility of Polish provenances and families of pedunculate oak (Quercus robur L.) to colonization by Phytophthora cambivora
    Autorzy:
    Jankowiak, R.
    Banach, J.
    Balonek, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1339965.pdf
    Data publikacji:
    2013
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    lesnictwo
    drzewa lesne
    czynniki chorobotworcze
    grzyby chorobotworcze
    Phytophthora cambivora
    dab szypulkowy
    Quercus robur
    proweniencje
    rody hodowlane
    podatnosc na grzyby
    zmiennosc proweniencyjna
    defense
    family
    provenances
    resistance
    shoot
    susceptibility
    Opis:
    Phytophthora cambivora (Straminipila, Oomycota) causes root rot and stem canker on several deciduous tree species in Europe. However, very little is known about the variation in susceptibility to P. cambivora colonization among provenances and families of pedunculate oak (Quercus robur L.). We studied variation in susceptibility of one French and 16 Polish provenances, representing 62 families. Samples were taken from three test plots located in the Brzesko Forest District. Oak susceptibility to P. cambivora was assessed by measuring lesion length following inoculation of excised shoots with two isolates of P. cambivora. There was significant variability in susceptibility among the 17 provenances tested. The highest susceptibility to P. cambivora was apparent in several provenances including Tronçais, Zaporowo, Runowo, Opole, and Krotoszyn; while the most resistant provenances originated from Chojnów, Siedlce, Płock, Krotoszyn-90 and Wioska. There was also significant within-provenances variation in susceptibility to P. cambivora.
    Źródło:
    Leśne Prace Badawcze; 2013, 74, 2; 161-170
    1732-9442
    2082-8926
    Pojawia się w:
    Leśne Prace Badawcze
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Patogenne lęgniowce z rodzaju Phytophthora - nowe zagrożenie lasów w Europie
    Pathogenic oomycetes of Phytophthora genus - a new threat to forests in Europe
    Autorzy:
    Ajchler, M.
    Łobocka, M.
    Oszako, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/986789.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    fitopatologia lesna
    zagrozenia drzewostanow
    czynniki chorobotworcze
    legniowce
    Oomycetes
    Phytophthora
    fytoftoroza
    identyfikacja
    epidemiologia
    Phytophthora alni
    Phytophthora cactorum
    Phytophthora cambivora
    Phytophthora cinnamomi
    Phytophthora citrophthora
    Phytophthora quercina
    Phytophthora plurivora
    Phytophthora ramorum
    ochrona lasu
    zwalczanie chorob roslin
    oomycetes
    phytophthora
    molecular typing
    plant pathogens
    biocontrol
    Opis:
    Pathogenic oomycetes represented mainly by the species of Phytophthora genus are among the most dangerous plant pathogens. They pose a serious threat for agricultural as well as wild plants, and are involved in forest decline worldwide. Over 140 pathogenic Phytophthora species have been identified so far. The common infection symptoms include rotting of below− and above− ground parts of plants, causing weakness and slow decline of infected trees. The economic losses caused by certain Phytophthora species may rich even 100%. Globalization and border opening have facilitated the transport of plant material between countries and continents, thus increased the risk of transfer of various Phytophthora genus representatives to new geographical locations. Global warming (e.g. mild winters) have facilitated the expansion of species from southern to northern Europe. Among Polish Phytophthora isolates are species that have previously been known only in nurseries (e.g. P. cactorum), but nowadays they are also isolated from forests (e.g. oak stand in the Krotoszyn Plateau). It suggests the pathway from nurseries to stands with plant for plantings and attached soil. There are also new species, that have not been isolated so far in the world (P. polonica) or found far away from Poland (P. fragaliaefolia in Japan on strawberry). The possible natural pathways are birds and water courses. In Mazowsze and Wielkopolska regions (C and W Poland) the polyphagous P. cinnamomi was found on pedunculate oaks (Quercus robur). This species causes significant damage to red oak forest in France, but also threats Jarrah forests in the Australian ecosystem (it attacks ca. 1000 species of plants). Fortunately, in addition to time consuming and laborious classic methods of Phytophthora identification, based on morphology and physiological properties, molecular methods that are based on immunological tests and chromosomal or mito− chondrial DNA markers identification have come into common use. Despite morphological similarity to true fungi, oomycetes are more closely related to diatoms and brown algae, and have several structural features that differentiate them from fungi, including the cell wall composed of cellulose instead of chitin. That is one of the reasons that fungicides have a limited use in the fight with Phytophthora infections. Additionally, type of ecological niches that are settled by pathogenic oomycetes (root remnants in soil, watercourses) hinders the chemical combating. Biocontrol, i.e. the use of interspecies interactions between microorganisms (bacteria, fungi) to limit the growth and development of pathogens, seems to be a reasonable alternative.
    Źródło:
    Sylwan; 2017, 161, 10; 870-880
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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