Effects of alternative spray programs and various combinations of green pruning on powdery mildew [Uncinula necator (Schw.) Burr.] in Karasakiz (Kuntra) grape cultivar

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dc.authoridYILDIRIM, ISMET/0000-0002-0473-1332
dc.contributor.authorYildirim, Ismet
dc.contributor.authorDardeniz, Alper
dc.date.accessioned2025-01-27T20:46:14Z
dc.date.available2025-01-27T20:46:14Z
dc.date.issued2010
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThe effects of alternative spray programs, NaHCO3/K2SiO3 + sulphur, KH2PO4/di - 1 - p - menthone, and a conventional spray program, penconazole/sulphur, as well as various levels of shoot toppings (to the 1st, 3rd, and 5th buds) on powdery mildew disease [Uncinula necator (Schw.) Burr.] and grape quality were investigated in this study. The study was carried out on grape variety Karasakiz (Vitis vinifera L.) during 2003 and 2004 growing seasons. The effectiveness of NaHCO3/K2SiO3 + sulphur, KH2PO4/di - 1 - p - menthene alternate spray programs against powdery mildew was found as 74.8% and 70.7% on leaf and 65.7% and 62.1% on bunch in he 2003 vegetation period, which were close to the results (80.3% on leaf, 72.3% on bunch) obtained with the conventional control program (penconazole/sulphur). In 2004, NaHCO3/K2SiO3 + sulphur (44.7%) was more effective for the control of leaf powdery mildew than penconazole/sulphur (29.0%). In addition, it also exhibited a similar effect on bunches. NaHCO3/K2SiO3 + sulphur and penconazole/sulphur treatments showed positive effects on the yield and quality of grapes. All spray programs demonstrated a better performance in the vineyards where pruning was practiced from the 1st and 3rd buds after the last bunch of the grapes rather than from the 5th bud. According to the results of the study, NaHCO3/K2SiO3 + sulphur spray program could be used in combination with the green pruning from the 3rd bud to control the disease in organic and integrated wine grapes, while KH2PO4/di - 1 - p menthene spray program is more effective with the same pruning practice in the areas where climatic conditions are less favourable for U. necator, and pathogen-resistant grape varieties are grown.
dc.description.sponsorshipCanakkale Onsekiz Mart University [2002/22]
dc.description.sponsorshipThis research was conducted as a part of Project No. 2002/22 funded by the Research Foundation Project of Canakkale Onsekiz Mart University. In addition, the authors also wish to thank Dr. H. Kocabiyik and Dr. A. Ozarslan Parlak for performing statistical analyses.
dc.identifier.doi10.3906/tar-0809-27
dc.identifier.endpage223
dc.identifier.issn1300-011X
dc.identifier.issn1303-6173
dc.identifier.issue3
dc.identifier.scopus2-s2.0-77953768752
dc.identifier.scopusqualityQ1
dc.identifier.startpage213
dc.identifier.urihttps://doi.org/10.3906/tar-0809-27
dc.identifier.urihttps://hdl.handle.net/20.500.12428/24843
dc.identifier.volume34
dc.identifier.wosWOS:000279624900005
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherTubitak Scientific & Technological Research Council Turkey
dc.relation.ispartofTurkish Journal of Agriculture and Forestry
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WoS_20250125
dc.subjectAlternative spray program
dc.subjectshoot topping
dc.subjectUncinula necator
dc.subjectVitis vinifera
dc.titleEffects of alternative spray programs and various combinations of green pruning on powdery mildew [Uncinula necator (Schw.) Burr.] in Karasakiz (Kuntra) grape cultivar
dc.typeArticle

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