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Effect of temperature on infection and development of powdery mildew on cucumber

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F19%3A73597024" target="_blank" >RIV/61989592:15310/19:73597024 - isvavai.cz</a>

  • Result on the web

    <a href="https://bsppjournals.onlinelibrary.wiley.com/doi/epdf/10.1111/ppa.13038" target="_blank" >https://bsppjournals.onlinelibrary.wiley.com/doi/epdf/10.1111/ppa.13038</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1111/ppa.13038" target="_blank" >10.1111/ppa.13038</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Effect of temperature on infection and development of powdery mildew on cucumber

  • Original language description

    Podosphaera xanthii and Golovinomyces orontii are the causal agents of cucurbit powdery mildew. The effect of temperature on conidial germination, infection and sporulation was studied under controlled conditions. Conidia were inoculated on cucumber leaf discs, and incubated at six constant temperatures (from 10 to 35 degrees C in 5 degrees C steps) for 3 to 72 h to evaluate conidial germination and infection, and for 6-15 days to evaluate sporulation intensity. Germination took place at all tested temperatures, but was close to zero at 35 degrees C. The longest germ tubes measured in this experiment were 141.74 mu m for the secondary germ tube of P. xanthii at 20 degrees C after 48 h of incubation, and 67.92 mu m for G. orontii for the primary germ tube at 20 degrees C after 48 h of incubation. The optimal temperatures for conidial germination, infection and sporulation were 24.4, 25.7 and 22.3 degrees C, respectively, for P. xanthii, and 17.9, 17.3 and 14.9 degrees C, respectively, for G. orontii. Equations were developed to describe conidial germination with a coefficient of determination (R-2) of 0.85 and 0.90 for P. xanthii and G. orontii, respectively. Infection equations resulted in R-2 of 0.94 and 0.93 for P. xanthii and G. orontii, respectively; and for sporulation, R-2 of 0.75 and 0.76 for P. xanthii and G. orontii respectively, as a function of temperature. These results can be used to develop models for the risk of cucurbit powdery mildew under field conditions.

  • 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

    40106 - Agronomy, plant breeding and plant protection; (Agricultural biotechnology to be 4.4)

Result continuities

  • Project

    <a href="/en/project/QH71229" target="_blank" >QH71229: Diagnostics and methods of protection against quarantine and other economically important pathogens of fruit and leafy vegetables</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2019

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    PLANT PATHOLOGY

  • ISSN

    0032-0862

  • e-ISSN

  • Volume of the periodical

    68

  • Issue of the periodical within the volume

    6

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    14

  • Pages from-to

    1165-1178

  • UT code for WoS article

    000474630500013

  • EID of the result in the Scopus database

    2-s2.0-85066901140