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Cherry spruce rust in the Wigry National Park and Suwałki Forest District: cone infestation and its implications

cris.lastimport.scopus2025-10-23T06:59:06Z
cris.virtual.author-orcid0000-0001-9915-3776
cris.virtual.author-orcid0000-0002-6525-2861
cris.virtual.author-orcid0000-0002-4860-4984
cris.virtual.author-orcid0000-0002-4653-9154
cris.virtual.author-orcid0000-0002-7352-5786
cris.virtual.author-orcid0000-0002-5801-9818
cris.virtual.author-orcid#PLACEHOLDER_PARENT_METADATA_VALUE#
cris.virtualsource.author-orcide56ae6c6-4e1a-48a8-8961-870db3257ff8
cris.virtualsource.author-orcidbe2cadee-6aa5-4bc1-b377-789380659bc2
cris.virtualsource.author-orcid944a894b-160b-4169-90d4-722afbfa282d
cris.virtualsource.author-orcid048c0668-fe37-48b6-9bf8-a4e5f63c3408
cris.virtualsource.author-orcidf37b79f4-59c4-4d2b-bccb-e576a11b1ea7
cris.virtualsource.author-orcid1608a5aa-340b-42e7-93a1-b9831ed54d13
cris.virtualsource.author-orcid#PLACEHOLDER_PARENT_METADATA_VALUE#
dc.abstract.enThekopsora areolata and Chrysomyxa pirolata are pathogens preferentially infesting Norway spruce cones and lead to the complete failure of spruce seed yield. Thus, the presence of seed-injuring pathogens may be a crucial factor driving close association between cherry spruce rust occurrence on trees and limited natural regeneration of the preferred host. However, a major uncertainty remains as to which pathogens are responsible for cone infection and reduced seed viability, resulting in impeded renewal of young trees. Our study aims to investigate whether T. areolata or C. pirolata presence on the Norway spruce cones was responsible for cherry spruce rust in three sites within the Wigry National Park (one site) and the Suwałki Forest District (two sites) in North-Eastern Poland. We harvested randomly five infested Norway spruce cones from each location and analysed them to verify specific pathogen occurrence. We analysed rDNA fragments such as ITS regions and 28S to precisely identify the disease causal agent on the cones and estimate the potential of genetic diversity of the analysed fungus species. Thekopsora areolata was identified as the main fungus promoting cherry spruce rust, suggesting that host species regeneration is constrained by this pathogen’s distribution. We assumed that the apparent cherry spruce rust presence and lack of Norway spruce natural regeneration likely result from cone infection and the availability of healthy, high-quality seeds. Moreover, the occurrence of cherry spruce rust may explain the challenges associated with the deficit of seeds used for the artificial regeneration of spruce stands.
dc.affiliationWydział Leśny i Technologii Drewna
dc.affiliation.instituteKatedra Hodowli Lasu
dc.contributor.authorBaranowska, Marlena
dc.contributor.authorBaturo-Cieśniewska, Anna
dc.contributor.authorHauke-Kowalska, Maria
dc.contributor.authorŁukowski, Adrian
dc.contributor.authorKorzeniewicz, Robert
dc.contributor.authorZadworny, Marcin
dc.contributor.authorKowalkowski, Wojciech
dc.date.access2025-06-11
dc.date.accessioned2025-06-11T10:50:45Z
dc.date.available2025-06-11T10:50:45Z
dc.date.copyright2025-03-07
dc.date.issued2025
dc.description.abstract<jats:title>A<jats:sc>bstract</jats:sc> </jats:title> <jats:p> <jats:italic>Thekopsora areolata</jats:italic> and <jats:italic>Chrysomyxa pirolata</jats:italic> are pathogens preferentially infesting Norway spruce cones and lead to the complete failure of spruce seed yield. Thus, the presence of seed-injuring pathogens may be a crucial factor driving close association between cherry spruce rust occurrence on trees and limited natural regeneration of the preferred host. However, a major uncertainty remains as to which pathogens are responsible for cone infection and reduced seed viability, resulting in impeded renewal of young trees. Our study aims to investigate whether <jats:italic>T. areolata</jats:italic> or <jats:italic>C. pirolata</jats:italic> presence on the Norway spruce cones was responsible for cherry spruce rust in three sites within the Wigry National Park (one site) and the Suwałki Forest District (two sites) in North-Eastern Poland. We harvested randomly five infested Norway spruce cones from each location and analysed them to verify specific pathogen occurrence. We analysed rDNA fragments such as ITS regions and 28S to precisely identify the disease causal agent on the cones and estimate the potential of genetic diversity of the analysed fungus species. <jats:italic>Thekopsora areolata</jats:italic> was identified as the main fungus promoting cherry spruce rust, suggesting that host species regeneration is constrained by this pathogen’s distribution. We assumed that the apparent cherry spruce rust presence and lack of Norway spruce natural regeneration likely result from cone infection and the availability of healthy, high-quality seeds. Moreover, the occurrence of cherry spruce rust may explain the challenges associated with the deficit of seeds used for the artificial regeneration of spruce stands.</jats:p>
dc.description.accesstimeat_publication
dc.description.bibliographyil., bibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.number1
dc.description.points70
dc.description.versionfinal_published
dc.description.volume67
dc.identifier.doi10.2478/ffp-2025-0002
dc.identifier.eissn2199-5907
dc.identifier.issn0071-6677
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/2831
dc.identifier.weblinkhttps://sciendo.com/pl/article/10.2478/ffp-2025-0002
dc.languageen
dc.relation.ispartofFolia Forestalia Polonica, Series A
dc.relation.pages12-22
dc.rightsCC-BY
dc.sciencecloudnosend
dc.share.typeOPEN_JOURNAL
dc.subject.enITS
dc.subject.enLSU
dc.subject.enNorway spruce
dc.subject.enPicea abies
dc.subject.enThekopsora areolata
dc.titleCherry spruce rust in the Wigry National Park and Suwałki Forest District: cone infestation and its implications
dc.typeJournalArticle
dspace.entity.typePublication
oaire.citation.issue1
oaire.citation.volume67
project.funder.nameThis research was funded by The State Forests (con tract no. MZ.0290.1.21.2023, dated June 26, 2023) under the research grant titled “Genetic Structure and Population Dynamics of Norway Spruce in the Changing Environment of the Wigry National Park – Stage II”. Additionally, the project “The State of Preservation, Structure of Dendroflora, and Wood Re sources in the Area of Subcontinental Forests in Wigry National Park – Stage I” was financed by the Forest Fund under contract no. EZ.0290.1.21.2024, concluded between the State Treasury – General Directorate of State Forests and Wigry National Park.