Effects of 2,4-DP (2,4-dichlorophenoxypropionic acid) plant growth regulator on fruit size and yield of Valencia oranges (Citrus sinensis Osb.)

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dc.authoridCimen, Berken/0000-0002-9376-1823
dc.contributor.authorYildirim, B.
dc.contributor.authorYesiloglu, T.
dc.contributor.authorIncesu, M.
dc.contributor.authorKamiloglu, M. U.
dc.contributor.authorCimen, B.
dc.contributor.authorTamer, S.
dc.date.accessioned2024-09-18T20:02:48Z
dc.date.available2024-09-18T20:02:48Z
dc.date.issued2012
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractThe Valencia orange is a high-quality fruit grown in Turkey; however, small fruit sizes and high fruit discard percentages are common in Valencia oranges. Small fruit size is the main factor limiting the marketing of Valencia oranges; thus, synthetic auxins are commonly used to enhance the size of citrus fruit. The objective of the present study was to observe the effects of 2,4-dichlorophenoxypropionic acid (2,4-DP) on the fruit size, yield and quality of Valencia oranges from 29-year-old trees budded on sour orange rootstock in Adana, Turkey during 2005-06. Three concentrations (50, 100 and 150 ppm) of 2,4-DP were applied during the June drop, when the mean fruit diameter was 13-15 mm. The results indicated that the application of 2,4-DP increased the fruit size of Valencia oranges without reducing yield. The application had a significant effect on fruit yield. Compared with the control trees, applications of 2,4-DP increased the number of large, commercially valuable Valencia oranges (75-80 mm). Moreover, an increase in the concentration of 2,4-DP increased the yield and weight of the fruits. As a result, fruit retention was highest in trees sprayed with 150 ppm 2,4-DP. Except for the titratable acid content (TA), which increased with an increase in the 2,4-DP concentration, the internal characteristics of the fruit were not affected by treatment with 2,4-DP. Thus, the results of the present study revealed that 2,4-DP can be used to improve the fruit size of Valencia fruitlets during the June drop.en_US
dc.identifier.doi10.1080/01140671.2011.604091
dc.identifier.endpage64en_US
dc.identifier.issn0114-0671
dc.identifier.issn1175-8783
dc.identifier.issue1en_US
dc.identifier.scopus2-s2.0-84862842739en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage55en_US
dc.identifier.urihttps://doi.org/10.1080/01140671.2011.604091
dc.identifier.urihttps://hdl.handle.net/20.500.12483/8032
dc.identifier.volume40en_US
dc.identifier.wosWOS:000304592500006en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherTaylor & Francis Ltden_US
dc.relation.ispartofNew Zealand Journal of Crop and Horticultural Scienceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectauxinen_US
dc.subjectfruit qualityen_US
dc.subjectValencia orangeen_US
dc.subjectyielden_US
dc.subjectplant growth regulatorsen_US
dc.titleEffects of 2,4-DP (2,4-dichlorophenoxypropionic acid) plant growth regulator on fruit size and yield of Valencia oranges (Citrus sinensis Osb.)en_US
dc.typeArticleen_US

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