Please use this identifier to cite or link to this item: https://ktisis.cut.ac.cy/handle/10488/12952
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dc.contributor.authorChrysargyris, Antonios-
dc.contributor.authorXylia, Panayiota-
dc.contributor.authorAnastasiou, Myria-
dc.contributor.authorPantelides, Iakovos-
dc.contributor.authorTzortzakis, Nikos G.-
dc.date.accessioned2018-12-06T05:57:23Z-
dc.date.available2018-12-06T05:57:23Z-
dc.date.issued2018-12-
dc.identifier.citationJournal of the Science of Food and Agriculture, 2018, Volume 98, Issue15, Pages 5861-5872en_US
dc.identifier.issn00225142-
dc.identifier.urihttp://ktisis.cut.ac.cy/handle/10488/12952-
dc.description.abstractBACKGROUND: Potassium (K) deficiency in leafy vegetables such as lettuce is a major concern regarding quality. Seaweed (SW) extracts, as biostimulants, are biodegradable materials and have become increasingly popular as they are reported to enhance crop growth and yield. RESULTS: In order to overcome K deficiencies (i.e. 375 vs 125 mg L−1), alternative foliar applications with extracts of Ascophyllum nodosum SW or K were examined using lettuce plants which were grown hydroponically. Potassium deficiency (at 125 mg L−1) reduced plant biomass, photosynthetic rate, leaf stomatal conductance, lettuce potassium content and tissue antioxidant capacity as compared with the higher K level (375 mg L−1). Application of SW increased the relative growth of lettuce in the low-K treatment. The K level and/or SW application altered the plant's enzyme protective activity (superoxide dismutase, SOD; catalase, CAT; peroxidase, POD) against oxidative stress and hydrogen peroxide (H2O2) production. Spray applications of SW mitigated the effects of K deficiency on indicators of enzyme activity and plant damage, back to levels of high K content (375 mg L−1). The high K level, but also SW application, increased the antioxidant activity of the processed lettuce before storage. Foliar application of the SW extract increased the quality of cut lettuce grown in 125 mg L−1 K conditions by reducing the rate of respiration and increasing consumer preference. CONCLUSION: The SW application could alter the detrimental effects of K deficiency during lettuce growth and storage of processed products. © 2018 Society of Chemical Industry.en_US
dc.formatpdfen_US
dc.language.isoenen_US
dc.publisherJohn Wiley and Sons Ltden_US
dc.rights© 2018 Society of Chemical Industryen_US
dc.subjectAntioxidant capacityen_US
dc.subjectBiostimulantsen_US
dc.subjectFresh-cut saladsen_US
dc.subjectLettuceen_US
dc.subjectSeaweeden_US
dc.subjectShelf lifeen_US
dc.titleEffects of Ascophyllum nodosum seaweed extracts on lettuce growth, physiology and fresh-cut salad storage under potassium deficiencyen_US
dc.typeArticleen_US
dc.doihttps://doi.org/10.1002/jsfa.9139en_US
dc.collaborationCyprus University of Technologyen_US
dc.subject.categoryAgriculture Forestry and Fisheriesen_US
dc.journalsSubscription Journalen_US
dc.countryCyprusen_US
dc.subject.fieldAgricultural Sciencesen_US
dc.publicationPeer Revieweden_US
cut.common.academicyear2018-2019en_US
item.grantfulltextnone-
item.fulltextNo Fulltext-
item.languageiso639-1other-
crisitem.author.deptDepartment of Agricultural Sciences, Biotechnology and Food Science-
crisitem.author.deptDepartment of Agricultural Sciences, Biotechnology and Food Science-
crisitem.author.deptDepartment of Agricultural Sciences, Biotechnology and Food Science-
crisitem.author.deptDepartment of Agricultural Sciences, Biotechnology and Food Science-
crisitem.author.facultyFaculty of Geotechnical Sciences and Environmental Management-
crisitem.author.facultyFaculty of Geotechnical Sciences and Environmental Management-
crisitem.author.facultyFaculty of Geotechnical Sciences and Environmental Management-
crisitem.author.facultyFaculty of Geotechnical Sciences and Environmental Management-
crisitem.author.parentorgFaculty of Geotechnical Sciences and Environmental Management-
crisitem.author.parentorgFaculty of Geotechnical Sciences and Environmental Management-
crisitem.author.parentorgFaculty of Geotechnical Sciences and Environmental Management-
crisitem.author.parentorgFaculty of Geotechnical Sciences and Environmental Management-
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