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Potential use of entomopathogenic and mycoparasitic fungi against powdery mildew in aquaponics

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60076658%3A12220%2F22%3A43904880" target="_blank" >RIV/60076658:12220/22:43904880 - isvavai.cz</a>

  • Alternative codes found

    RIV/60076658:12520/22:43904880 RIV/26722861:_____/22:N0000051

  • Result on the web

    <a href="https://doi.org/10.3389/fmars.2022.992715" target="_blank" >https://doi.org/10.3389/fmars.2022.992715</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.3389/fmars.2022.992715" target="_blank" >10.3389/fmars.2022.992715</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Potential use of entomopathogenic and mycoparasitic fungi against powdery mildew in aquaponics

  • Original language description

    Aquaponics has the potential to produce sustainable and accessible quality food through the integration of hydroponics and aquaculture. Plants take up dissolved nutrients in fish wastewater, allowing water reuse for fish. However, the simultaneous presence of fish and plants in the same water loop has made phytosanitary treatments of diseases such as powdery mildew problematic due to risks of toxicity for fish and beneficial bacteria, limiting its commercialization. Entomopathogenic and mycoparasitic fungi have been identified as safe biological control agents for a broad range of pests. This study aimed to investigate the efficacy of entomopathogenic fungi, Lecanicillium attenuatum (LLA), Isaria fumosorosea (IFR), and mycoparasitic fungus Trichoderma virens (TVI) against Podosphaera xanthii. Also, we investigated the possible harmful effects of the three fungal biocontrol agents in aquaponics by inoculating them in aquaponics water and monitoring their survival and growth. The findings showed that the three biocontrol agents significantly suppressed the powdery mildew at 10(7) CFU/ml concentration. Under greenhouse conditions (65-73% relative humidity (RH)), a significant disease reduction percentage of 85% was recorded in L. attenuatum-pretreated leaves. IFR-treated leaves had the least AUDPC (area under disease progress curve) of similar to 434.2 and disease severity of 32% under 65-73% RH. In addition, L. attenuatum spores were the most persistent on the leaves, the spores population increased to 9.54 x 10(3) CFUmm(-2) from the initial 7.3 CFUmm(-2) under 65-73%. In contrast, in hydroponics water, the LLA, IFR, and TVI spores significantly reduced by more than 99% after 96 hrs. Initial spore concentrations of LLA of 10(7) CFU/ ml spores were reduced to 4 x 10(3) CFU after 96 hrs. Though the results from this study were intended for aquaponics systems, relevance of the results to other cultivation systems are discussed.

  • 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

    40103 - Fishery

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

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

Others

  • Publication year

    2022

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Frontiers in Marine Science

  • ISSN

    2296-7745

  • e-ISSN

    2296-7745

  • Volume of the periodical

    9

  • Issue of the periodical within the volume

    neuvedeno

  • Country of publishing house

    CH - SWITZERLAND

  • Number of pages

    14

  • Pages from-to

    nestrankovano

  • UT code for WoS article

    000888425800001

  • EID of the result in the Scopus database

    2-s2.0-85142234877