Exploring the relationship between leaf water potential, defoliation, and grape berry physical properties of Merlot (Vitis vinifera L.) grapevine

dc.contributor.authorCandar, Serkan
dc.contributor.authorKorkutal, İlknur
dc.contributor.authorBahar, Elman
dc.contributor.authorAktaş, Fatma Betül
dc.date.accessioned2024-10-29T17:50:33Z
dc.date.available2024-10-29T17:50:33Z
dc.date.issued2023
dc.departmentTekirdağ Namık Kemal Üniversitesi
dc.description.abstractThe aim of this study was to examine the impact of leaf water potential and defoliation treatments on the physical properties of grape berries. The research was conducted over two consecutive years (2019-2020) using ‘Merlot’/41B graft combination grapevines grown in the Chateau Kalpak vineyards located in Tekirdağ, Şarköy. The experiment involved four distinct water stress levels (S0, S1, S2, and S3), which were determined based on leaf water potential measurements. These stress levels were subjected to different irrigation levels. Additionally, defoliation treatments were applied, including Control (C), Full Window (FW), Right Window (RW), and Left Window (LW). The results showed that the effects of water stress and defoliation treatments on berry physical properties were statistically insignificant. However, in the second year of the study, the FW treatment was observed to have led to changes in the desired direction for grapevines. This was likely due to the cumulative decrease in water reserves caused by reduced precipitation over multiple years, making the effects of FW treatment more prominent. Moreover, the study found that both current and past vegetation period conditions influence vine production year, leaf water potentials (?leaf), and stress levels. Finally, the data revealed that berry weight and % dry weight increased with higher stress levels.
dc.identifier.doi10.31015/jaefs.2023.3.6
dc.identifier.endpage532
dc.identifier.issn2602-246X
dc.identifier.issn2618-5946
dc.identifier.issue3en_US
dc.identifier.startpage517
dc.identifier.trdizinid1199631
dc.identifier.urihttps://doi.org/10.31015/jaefs.2023.3.6
dc.identifier.urihttps://search.trdizin.gov.tr/tr/yayin/detay/1199631
dc.identifier.urihttps://hdl.handle.net/20.500.11776/13059
dc.identifier.volume7
dc.indekslendigikaynakTR-Dizin
dc.language.isoen
dc.relation.ispartofInternational Journal of Agriculture, Environment and Food Sciences
dc.relation.publicationcategoryMakale - Ulusal Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectDrought
dc.subjectAbiotic stress
dc.subjectLeaf removal
dc.subjectWine grape
dc.subjectBerry quality
dc.titleExploring the relationship between leaf water potential, defoliation, and grape berry physical properties of Merlot (Vitis vinifera L.) grapevine
dc.typeArticle

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