Critical Period for Weed control in Sunflower and Effects of Applications on Weed Species and Diversity

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dc.authoridTursun, Nihat/0000-0002-8765-0326
dc.authoridOZKIL, MINE/0000-0002-7663-7361
dc.authoridtorun, hilmi/0000-0001-6730-8809
dc.authoridKARAMAN, YUCEL/0000-0002-6551-7030
dc.contributor.authorOzkil, Mine
dc.contributor.authorTorun, Hilmi
dc.contributor.authorEymirli, Serdar
dc.contributor.authorUremis, Ilhan
dc.contributor.authorKaraman, Yucel
dc.contributor.authorTursun, Nihat
dc.date.accessioned2024-09-18T20:13:32Z
dc.date.available2024-09-18T20:13:32Z
dc.date.issued2022
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractThis study was carried out under field conditions in Adana, Turkey in 2018 and 2019 to determine the critical period for weed control in sunflower depending on the daily growth temperature (GDD) and weed species. A log-logistic model with four parameters was used to determine the relationship between relative crop yield and both increased weed intervention time and length of weed-free periods. In addition, dominant weeds and weed densities were determined in the experimental area. Data obtained from different periods of weed intervention were compared with data obtained from seasonal weed-free plots. During the sunflower growing season, 37.4% - 41.04% yield loss was determined in sunflower due to weed competition. For 5% acceptable yield loss in the first year, the critical period in weed control was determined as 243-1181 GDD; this is 24-86 days after the crop emergence (DAE). It was found between 269 and 1409 GDD (16-72 DAE) in the second year. In sunflower, it was determined that the removal of weeds from the plot in the weed-free period started within 2-3 weeks from the emergence and continued for 10-12 weeks. These findings may help sunflower growers to plan and implement cost-effective and appropriate weed control programs.en_US
dc.description.sponsorshipMinistry of Agriculture and Forestry General Directorate of Agricultural Research and Policies [TAGEM/BSAD/16/1/04-02]en_US
dc.description.sponsorshipWe thank the Ministry of Agriculture and Forestry General Directorate of Agricultural Research and Policies for supporting this study (TAGEM/BSAD/16/1/04-02).en_US
dc.identifier.doi10.18016/ksutarimdoga.vi.1004638
dc.identifier.endpage1314en_US
dc.identifier.issn2619-9149
dc.identifier.issue6en_US
dc.identifier.startpage1305en_US
dc.identifier.trdizinid1159252en_US
dc.identifier.urihttps://doi.org/10.18016/ksutarimdoga.vi.1004638
dc.identifier.urihttps://search.trdizin.gov.tr/tr/yayin/detay/1159252
dc.identifier.urihttps://hdl.handle.net/20.500.12483/9244
dc.identifier.volume25en_US
dc.identifier.wosWOS:001093339000010en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakTR-Dizinen_US
dc.language.isoenen_US
dc.publisherKahramanmaras Sutcu Imam Univ Rektorluguen_US
dc.relation.ispartofKsu Tarim Ve Doga Dergisi-Ksu Journal of Agriculture and Natureen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectCritical period for weed controlen_US
dc.subjectCrop-weed competitionen_US
dc.subjectSunfloweren_US
dc.subjectWeed species and densityen_US
dc.subjectYield lossen_US
dc.titleCritical Period for Weed control in Sunflower and Effects of Applications on Weed Species and Diversityen_US
dc.typeArticleen_US

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