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The Protection of Ash Trees Against Ash Dieback by Tree Injections

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62156489%3A43410%2F23%3A43923981" target="_blank" >RIV/62156489:43410/23:43923981 - isvavai.cz</a>

  • Result on the web

    <a href="https://doi.org/10.1016/j.ufug.2023.128071" target="_blank" >https://doi.org/10.1016/j.ufug.2023.128071</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.ufug.2023.128071" target="_blank" >10.1016/j.ufug.2023.128071</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    The Protection of Ash Trees Against Ash Dieback by Tree Injections

  • Original language description

    Ash dieback caused by a non-native pathogenic fungus Hymenoscyphus fraxineus has been decimating populations of European Fraxinus species for over 30 years. Nevertheless, there is still a considerable amount of valuable ashes of this species in European cities and landscapes. Although it has been shown in many studies that the effect of H. fraxineus on adult and senescent trees tends to be rather chronic, the infection by this fungus also causes a substantial decrease in the lifespan of these trees. This research is dealing with the control of ashes using the tree injection technology. It is focused on the development of bark necroses, as this symptom results in the highest damage to a tree. Trees were first inoculated with two different strains of H. fraxineus. Trees with proven positive inoculation were injected with six different fungicides. Subsequently, over the course of nine months, the area of developing bark necroses was measured using image analysis methods. After the field part of the experiment was finished, the extent of the infection by H. fraxineus in tissues was determined and confirmed by PCR. Three out of six tested variants (Tr. 1: 7.1% propiconazole, Tr. 3: 7% propamocarb and 2.7% fosetyl, and Tr. 6: 0.015% sodium selenite) displayed significant deceleration of the growth of bark necroses compared to control. Tr. 3 demonstrated the highest effectiveness with only a very small increment of the necrosis area during the first three months after the injection treatment and a follow-up complete cessation of growth. Reisolations confirmed high mortality of H. fraxineus after this treatment. Hence the presented study can contribute to substantial prolongation of the lifespan of ashes in Europe.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10611 - Plant sciences, botany

Result continuities

  • Project

  • Continuities

    S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2023

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Urban Forestry &amp; Urban Greening

  • ISSN

    1618-8667

  • e-ISSN

    1610-8167

  • Volume of the periodical

    88

  • Issue of the periodical within the volume

    October

  • Country of publishing house

    DE - GERMANY

  • Number of pages

    8

  • Pages from-to

    128071

  • UT code for WoS article

    001080984000001

  • EID of the result in the Scopus database

    2-s2.0-85171379185