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- Title
Influence of deficit irrigation on strawberry ( Fragaria × ananassa Duch.) fruit quality.
- Authors
Weber, Nika; Zupanc, Vesna; Jakopic, Jerneja; Veberic, Robert; Mikulic ‐ Petkovsek, Maja; Stampar, Franci
- Abstract
BACKGROUND Three different irrigation regimes - upper limit of field capacity ( UFC), −12 kPa); lower limit of field capacity ( LFC), −33 kPa; and deficit irrigation ( DI), −70 kPa) were established on silty-loam soil and monitored with tensiometers. Yield and fruit quality of 'Flamenco' and 'Eva's Delight' ever-bearing strawberry cultivars were monitored. The aim of the study was to evaluate the effect of different irrigation regimes on the content of sugars, organic acids and phenolic compounds using high-performance liquid chromatography-mass spectrometry HPLC/ HPLC-MS. RESULTS Deficit irrigation significantly increased the content of sugars (from 1.1- to 1.3 fold), organic acids (from 1.1- to 1.3-fold), their ratio (from 1.1- to 1.2-fold) and the content of most identified phenolics in cv. 'Flamenco'. Conversely, higher amounts of total sugars and organic acids (1.7- to 1.8-fold) were detected in 'Eva's Delight' strawberries at UFC and LFC irrigation. Deficit irrigation generally decreased strawberry yield of cv. 'Eva's Delight'. CONCLUSION The results suggest superior fruit quality and taste of strawberries grown under minor deficit irrigation for cv. 'Flamenco'. © 2016 Society of Chemical Industry
- Subjects
DEFICIT irrigation; STRAWBERRY quality; LOAM soils; TENSIOMETERS; LIQUID chromatography; PHENOLS
- Publication
Journal of the Science of Food & Agriculture, 2017, Vol 97, Issue 3, p849
- ISSN
0022-5142
- Publication type
Article
- DOI
10.1002/jsfa.7806