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Effect of irrigation practices upon yield and fruit quality of four grapefruit (Citrus paradisi Mac.) cultivars

Morianou Giasemi, Ziogas V., Kourgialas Nektarios, Karatzas Georgios

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URIhttp://purl.tuc.gr/dl/dias/8C072BD3-FB78-428A-96D2-1B101116E68F-
Identifierhttps://doi.org/10.2166/ws.2021.113-
Identifierhttps://iwaponline.com/ws/article/21/6/2735/81475/Effect-of-irrigation-practices-upon-yield-and-
Languageen-
Extent13 pagesen
TitleEffect of irrigation practices upon yield and fruit quality of four grapefruit (Citrus paradisi Mac.) cultivarsen
CreatorMorianou Giasemien
CreatorΜοριανου Γιασεμηel
CreatorZiogas V.en
CreatorKourgialas Nektariosen
CreatorΚουργιαλας Νεκταριοςel
CreatorKaratzas Georgiosen
CreatorΚαρατζας Γεωργιοςel
PublisherIWA Publishingen
Content SummaryTwo strategies of irrigation were applied during the phase of fruit growth in 30-year-old grapefruit trees (Citrus paradisi Mac.) of four varieties (cv. Marsh SRA 8, cv. Shambar SRA 22, cv. Frost Marsh, cv. Ruby). For the first strategy (T1), the trees were irrigated every week at 100% crop evapotranspiration (ETc), while for the second strategy (T2) at 60% ETc. At harvest time, tree yield was estimated along with fruit quality and water productivity. T1 strategy significantly increased the tree yield, the fruit weight and the juice content. Although an increase in water productivity (crop yield/total water use) was achieved during the water stress experiment for three out of the four varieties. The main effect of the T2 strategy was a significant increase of qualitative (commercial and nutritional) attributes like total soluble solids (TSS), citric acid, ascorbic acid (Vitamin C) and phenolic content. In addition, strategy T2 increased the maturation index and the fruits had sweeter flavor for two varieties. These results lead to the conclusion that in mature grapefruit trees, optimal irrigation practice provided better fruit yield, while water stress practices favor the accumulation of specific nutritional elements and improve specific fruit quality parameters, especially for cv. Ruby.en
Type of ItemPeer-Reviewed Journal Publicationen
Type of ItemΔημοσίευση σε Περιοδικό με Κριτέςel
Licensehttp://creativecommons.org/licenses/by/4.0/en
Date of Item2022-12-09-
Date of Publication2021-
SubjectAgronomic practicesen
SubjectCitrusen
SubjectDeficit irrigationen
SubjectPhenolsen
SubjectWater managementen
Bibliographic CitationG. Morianou, V. Ziogas, N. N. Kourgialas, and G. P. Karatzas, “Effect of irrigation practices upon yield and fruit quality of four grapefruit (Citrus paradisi Mac.) cultivars,” Water Supply, vol. 21, no. 6, pp. 2735-2747, Sep. 2021, doi: 10.2166/ws.2021.113.en

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