Resistance Inducers for the Protection of Pedunculate Oak (Quercus robur L.) Seedlings against Powdery Mildew Erysiphe alphitoides

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dc.abstract.enOak powdery mildew caused by Erysiphe alphitoides (Griffon and Maubl.; U. Braun & S. Takam.) is a common disease in European forests. One of the most susceptible species is the pedunculate oak (Quercus robur L.). Presently, a few methods are available to control powdery mildew, e.g., the use of fungicides (e.g., based on citric acid), antagonistic fungi or bacteria, chemical treatments (e.g., sulphur, potassium bicarbonate) or genetic resistance. In our study, we aimed to check the effects of using chitosan derivatives and novel active substances inducing the plants’ natural resistance: benzodiathiadiazole (both in neutral and salt form). 84 pedunculate oak seedlings were subjected to the experiment in three treatment variants (plus positive and negative controls). The plants were treated with active substances and inoculated with E. alphitoides. Although the powdery mildew symptoms appeared in all variants, they were manifested mainly by the mycelium in the form of small spots. The experiment indicated that the highest limitation of powdery mildew mycelium was achieved by applying N-methyl-N-methoxyamide-7-carboxybenzo(1,2,3)thiadiazole (BTHWA). The application of BTHWA reduced disease development by 88.9% when compared to the effects of the other variants.
dc.affiliationWydział Leśny i Technologii Drewna
dc.affiliation.instituteKatedra Botaniki i Siedliskoznawstwa Leśnego
dc.affiliation.instituteKatedra Entomologii i Fitopatologii Leśnej
dc.contributor.authorTurczański, Krzysztof
dc.contributor.authorBełka, Marta
dc.contributor.authorSpychalski, Maciej
dc.contributor.authorKukawka, Rafal
dc.contributor.authorPrasad, Raghavendra
dc.contributor.authorSmiglak, Marcin
dc.date.access2025-08-21
dc.date.accessioned2025-09-19T08:36:24Z
dc.date.available2025-09-19T08:36:24Z
dc.date.copyright2023-02-01
dc.date.issued2023
dc.description.abstract<jats:p>Oak powdery mildew caused by Erysiphe alphitoides (Griffon and Maubl.; U. Braun &amp; S. Takam.) is a common disease in European forests. One of the most susceptible species is the pedunculate oak (Quercus robur L.). Presently, a few methods are available to control powdery mildew, e.g., the use of fungicides (e.g., based on citric acid), antagonistic fungi or bacteria, chemical treatments (e.g., sulphur, potassium bicarbonate) or genetic resistance. In our study, we aimed to check the effects of using chitosan derivatives and novel active substances inducing the plants’ natural resistance: benzodiathiadiazole (both in neutral and salt form). 84 pedunculate oak seedlings were subjected to the experiment in three treatment variants (plus positive and negative controls). The plants were treated with active substances and inoculated with E. alphitoides. Although the powdery mildew symptoms appeared in all variants, they were manifested mainly by the mycelium in the form of small spots. The experiment indicated that the highest limitation of powdery mildew mycelium was achieved by applying N-methyl-N-methoxyamide-7-carboxybenzo(1,2,3)thiadiazole (BTHWA). The application of BTHWA reduced disease development by 88.9% when compared to the effects of the other variants.</jats:p>
dc.description.accesstimeat_publication
dc.description.bibliographyil., bibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.if4,0
dc.description.number3
dc.description.points70
dc.description.versionfinal_published
dc.description.volume12
dc.identifier.doi10.3390/plants12030635
dc.identifier.issn2223-7747
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/4947
dc.identifier.weblinkhttps://www.mdpi.com/2223-7747/12/3/635
dc.languageen
dc.relation.ispartofPlants
dc.relation.pagesart. 635
dc.rightsCC-BY
dc.sciencecloudsend
dc.share.typeOPEN_JOURNAL
dc.subject.enpowdery mildew
dc.subject.enpedunculate oak
dc.subject.enbenzothiadiazole
dc.subject.enionic liquids
dc.subject.enchitosan
dc.subtypeScientificCommunication
dc.titleResistance Inducers for the Protection of Pedunculate Oak (Quercus robur L.) Seedlings against Powdery Mildew Erysiphe alphitoides
dc.title.volumeSpecial Issue Induced Resistance of Plants
dc.typeJournalArticle
dspace.entity.typePublication
oaire.citation.issue3
oaire.citation.volume12