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Prolonged phloem feeding by the spotted lanternfly, an invasive planthopper, alters resource allocation and inhibits gas exchange in grapevines

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dc.contributor.authorHarner, Andrew D.en
dc.contributor.authorLeach, Heather L.en
dc.contributor.authorBriggs, Laurenen
dc.contributor.authorCentinari, Michelaen
dc.date.accessioned2024-12-11T14:12:28Zen
dc.date.available2024-12-11T14:12:28Zen
dc.date.issued2022-10-05en
dc.description.abstractSpotted lanternfly (Lycorma delicatula White; SLF) is a phloem-feeding planthopper invasive to the Eastern United States that can feed on a range of wild and cultivated plant species. Since its 2014 introduction in the United States, large infestations and subsequent economic damage have been reported in cultivated grapevines, but no studies have detailed grapevine physiological responses to SLF phloem feeding. This study investigated grapevine-SLF interactions, detailing how different infestation densities affect leaf gas exchange and end-season concentrations of nonstructural carbohydrates and nitrogen in vegetative and perennial tissues of two Vitis species. Effects on fruit ripeness parameters and dormant bud freeze tolerance were examined, in addition to other year-after effects. Phloem feeding by low densities (≤4 SLF shoot−1) had minimal effects, whereas greater densities (5–15 SLF shoot−1) increasingly affected carbohydrate and nitrogen dynamics in both Vitis species. Phloem feeding substantially affected starch and, to a lesser extent, total nitrogen concentrations of woody roots. Prolonged exposure strongly reduced leaf gas exchange. We conclude that intensive late-season phloem feeding by large adult SLF population densities (≥8 SLF shoot−1) can induce carbon limitation, with the potential for negative year-after effects in cases of severe belowground carbon depletion. This work presents novel insights into SLF-grapevine interactions, identifies avenues of future SLF-plant research, and assists the development of action thresholds for SLF management in vineyards.en
dc.description.versionPublished versionen
dc.format.extent18 page(s)en
dc.format.mimetypeapplication/pdfen
dc.identifierARTN e452 (Article number)en
dc.identifier.doihttps://doi.org/10.1002/pld3.452en
dc.identifier.eissn2475-4455en
dc.identifier.issn2475-4455en
dc.identifier.issue10en
dc.identifier.orcidHarner, Andrew [0000-0003-2622-0266]en
dc.identifier.otherPMC9533444en
dc.identifier.otherPLD3452 (PII)en
dc.identifier.pmid36226305en
dc.identifier.urihttps://hdl.handle.net/10919/123776en
dc.identifier.volume6en
dc.language.isoenen
dc.publisherWileyen
dc.relation.urihttps://www.ncbi.nlm.nih.gov/pubmed/36226305en
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivatives 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.subjectgas exchangeen
dc.subjectinvasive insecten
dc.subjectLycorma delicatulaen
dc.subjectnonstructural carbohydratesen
dc.subjectplant-insect interactionsen
dc.subjectsource-sink relationshipsen
dc.subjectspotted lanternflyen
dc.subjectVitisen
dc.titleProlonged phloem feeding by the spotted lanternfly, an invasive planthopper, alters resource allocation and inhibits gas exchange in grapevinesen
dc.title.serialPlant Directen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.otherArticleen
dc.type.otherJournalen
dcterms.dateAccepted2022-09-13en
pubs.organisational-groupVirginia Techen
pubs.organisational-groupVirginia Tech/Agriculture & Life Sciencesen
pubs.organisational-groupVirginia Tech/Agriculture & Life Sciences/Alson H. Smith, Jr. ARECen
pubs.organisational-groupVirginia Tech/All T&R Facultyen
pubs.organisational-groupVirginia Tech/Agriculture & Life Sciences/CALS T&R Facultyen

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