Growth and yield responses of cv. Merlot (Vitis vinifera L.) to early water stress

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dc.authorid0000-0002-8016-9804
dc.authorid0000-0002-8842-7695
dc.authorscopusid24587255900
dc.authorscopusid24586567600
dc.authorscopusid6604000419
dc.authorwosidKORKUTAL, ILKNUR/H-6306-2011
dc.authorwosidBahar, Elman/A-7530-2012
dc.contributor.authorKorkutal, İlknur
dc.contributor.authorBahar, Elman
dc.contributor.authorCarbonneau, Alain
dc.date.accessioned2022-05-11T14:43:15Z
dc.date.available2022-05-11T14:43:15Z
dc.date.issued2011
dc.departmentFakülteler, Ziraat Fakültesi, Bahçe Bitkileri Bölümü
dc.description.abstractReproductive growth is less sensitive to water deficit than vegetative growth. For this purpose, the main aim of this study is to find out the effects of early water deficits on vegetative and generative development of Merlot/SO4 grapevines. This research was carried out in ECOTRON System, Montpellier - SupAgro/INRA, 03 degrees 51'22 '' E and 43 degrees 37'04 '' N and 40 m altitude. The stressed period was started in the 17(th) E-L stage on the second week of May and stopped in 27(th) E-L stages on the second week of June. Four stress groups were established which were; well watered WS0 as a control (4 L day(-1)), second was WS1 (3 L day(-1)) third was WS2 (2 L day(-1)) and the fourth was WS3 (1 L day(-1)) respectively. A randomized complete block design was used and treatments were compared using LSD test to determine the significant differences. In water deficit treatments yellowing of the leaves and partial leaf fall at the shoot bases were observed at WS2 and WS3 plants. Final measurements of shoot lengths showed about 60 cm differences between control and stressed grapevines. Shoot elongation was suppressed linearly to increase water deficit. When the average cluster weights and yield per vine in the control were compared with WS3 about 50% reduction was found. It can be stated that the most sensitive period was between 17th and 27th Eichhorn and Lorenz phenological stages which negatively affect the yield of Merlot cv.
dc.description.sponsorshipLEPSE (Laboratory of Plant Ecophysiological Responses to Environmental Stresses); Plant Science Department from LEPSE
dc.description.sponsorshipThe authors gratefully acknowledge the support for this project from LEPSE (Laboratory of Plant Ecophysiological Responses to Environmental Stresses), Director Thierry Simonneau, and the members of Plant Science Department from LEPSE. They also acknowledge Gaelle Rolland (INRA-TR) from LEPSE for her technical support. In addition, they acknowledge Fida Khater (UMR-SPO) who is a Ph.D. student from Science for Enology and Fatih Gunes Yener Vinifera who is a Vinifera Euromaster Student Also, recording the data in vineyard Ph.D. Student Fida Khater (UMR-SPO) from Science for Enology and Fatih Gunes Yener Vinifera Euromaster Student was also appreciated.
dc.identifier.doi10.5897/AJAR11.1893
dc.identifier.endpage6288
dc.identifier.issn1991-637X
dc.identifier.issue29en_US
dc.identifier.scopus2-s2.0-83455223426
dc.identifier.scopusqualityN/A
dc.identifier.startpage6281
dc.identifier.urihttps://doi.org/10.5897/AJAR11.1893
dc.identifier.urihttps://hdl.handle.net/20.500.11776/9511
dc.identifier.volume6
dc.identifier.wosWOS:000298506200010
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorKorkutal, İlknur
dc.institutionauthorBahar, Elman
dc.language.isoen
dc.publisherAcademic Journals
dc.relation.ispartofAfrican Journal of Agricultural Research
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectMerlot
dc.subjectearly water deficit
dc.subjectgrowth
dc.subjectcluster weight
dc.subjectshoot elongation
dc.subjectDeficits
dc.titleGrowth and yield responses of cv. Merlot (Vitis vinifera L.) to early water stress
dc.typeArticle

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