Determination of Important Weed Species, Densities and Frequencies in Hazelnut ( Corylus avellana L.) Orchards in Düzce Province

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dc.contributor.authorKara, Adnan
dc.contributor.authorErmec, Hakan
dc.contributor.authorDiblan, Sezer
dc.date.accessioned2025-04-06T12:23:41Z
dc.date.available2025-04-06T12:23:41Z
dc.date.issued2024
dc.departmentTekirdağ Namık Kemal Üniversitesi
dc.description.abstractHazelnut ( Corylus avellana L.) cultivation has strategic value for T & uuml;rkiye, which is a leader in global hazelnut production. This study aims to determine the important weed species, densities, and frequencies in hazelnut orchards in D & uuml;zce province. The presence of weeds is a significant challenge in hazelnut cultivation as they compete with the crop for nutrients, water, and sunlight, while also serving as hosts for pests and pathogens. Effective weed management is critical to maintaining yield and quality. Field research was conducted in 50 hazelnut orchards in 8 districts of D & uuml;zce and weed densities and frequencies were calculated using the Odum & Barrett method. In the survey studies conducted in D & uuml;zce hazelnut orchards, it was determined that 103 weed taxa belonging to 31 families and the ones with the species with the densest populations included Potentilla reptans (creeping cinquefoil) (35.46 plants m-2), Poa pratensis (meadow grass) (12.15 plants m-2), and Bromus hordeaceus subsp. hordeaceus (soft brome) (11.97 plants m-2). The most frequent species were calculated to be Potentilla reptans (creeping cinquefoil) (81.80%), Oenanthe silaifolia (narrow-leaved water-dropwort) (78.34%) and Lapsana communis (nipplewort) (60.72%). Among the families identified, the Poaceae family has the highest number of species (19), followed by Fabaceae (14) and Asteraceae (13). Studies have detected those motorized scythes and herbicides, whose increased use may cause environmental effects and increase pest problems, are widely used in weed control. Identifying weed species and understanding their density and frequency will contribute to the adoption of more precise and environmentally friendly control methods and thus to increasing productivity and sustainability in hazelnut cultivation. Based on these findings, by applying targeted weed control measures, yield losses can be significantly reduced, beneficial organisms can be protected and the overall productivity and economic sustainability of hazelnut agriculture in D & uuml;zce Province can be contributed.
dc.identifier.doi10.33462/jotaf.1519243
dc.identifier.endpage1266
dc.identifier.issn1302-7050
dc.identifier.issn2146-5894
dc.identifier.issue5
dc.identifier.scopus2-s2.0-85213877772
dc.identifier.scopusqualityQ3
dc.identifier.startpage1252
dc.identifier.trdizinid1288063
dc.identifier.urihttps://doi.org/10.33462/jotaf.1519243
dc.identifier.urihttps://search.trdizin.gov.tr/tr/yayin/detay/1288063
dc.identifier.urihttps://hdl.handle.net/20.500.11776/17131
dc.identifier.volume21
dc.identifier.wosWOS:001391867300012
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakTR-Dizin
dc.language.isoen
dc.publisherUniv Namik Kemal
dc.relation.ispartofJournal of Tekirdag Agriculture Faculty-Tekirdag Ziraat Fakultesi Dergisi
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20250406
dc.subjectWeed
dc.subjectHazelnut
dc.subjectSurvey
dc.subjectDensity
dc.subjectFrequency
dc.titleDetermination of Important Weed Species, Densities and Frequencies in Hazelnut ( Corylus avellana L.) Orchards in Düzce Province
dc.typeArticle

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