Proline and Antioxidant Enzyme Activities in Some Strawberry Cultivars under Drought and Recovery

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dc.WoS.categoriesPlant Sciencesen_US
dc.authorid0000-0002-5989-2280en_US
dc.contributor.authorGülen, Hatice
dc.contributor.authorKesici, Müge
dc.contributor.authorÇetinkaya, Cem
dc.contributor.authorErgin, Sergül
dc.date.accessioned2020-12-14T08:56:36Z
dc.date.available2020-12-14T08:56:36Z
dc.date.issued2018
dc.description.abstractThis study examines the molecular effects of drought and recovery applications on four strawberry (Fragaria x ananassa Duch) cultivars known as relatively heat-tolerant ['Redlands Hope' ('R. Hope') and 'Camarosa'] and heat-sensitive ['Festival' and 'Cal. Giant-3' ('CG-3')]. After frigo seedlings were grown in a greenhouse for eight weeks (until they had five-six leaves) in a pot, 10% Poliethyleneglycol 6000 (PEG) was applied in order to compose drought condition for 15 days. Following PEG application, plants were watered without PEG for 15 days to observe the recovery. Leaf relative water content (RWC), loss of turgidity, cell membrane injury, proline content and the activities of ascorbate peroxidase (APX, EC 1.1.11.1), glutathione reductase (GR, EC 1.6.4.2) and peroxidase (PRX, EC 1.11.1.7) were determined in leaf tissues taken from plants at the end of the drought and recovery applications. Although membrane injury was increased by the PEG application, it reduced almost to the control levels at the end of the recovery period. Proline contents were found higher in cvs. 'R. Hope' and 'Camarosa' than cvs. 'Festival' and 'CG-3' under drought conditions. APX and GR enzymes showed great activities in drought applied plants of heat-tolerant cultivars. Native polyacrylamide gel electrophoresis (PAGE) of basic PRX isozymes yielded three protein bands with Rf = 0.45, Rf = 0.55 and Rf = 0.60 that were sharply increased their activities by PEG and recovery applications in cvs. 'R. Hope' and 'Camarosa'. In addition, leaves of all cultivars exposed to drought rolled up and had brown colour in various level as an indication of tolerance. Indeed 'Camarosa' and 'R. Hope' showed better recovery performance after rewatering than 'Festival' and 'CG-3'. All data indicated that heat-tolerant cultivars showed relatively drought tolerance in this study.en_US
dc.fullTextLevelFull Texten_US
dc.identifier.doi10.15835/nbha46211077
dc.identifier.issn1842-4309
dc.identifier.issn0255-965X
dc.identifier.scopus2-s2.0-85047662936en_US
dc.identifier.urihttps://hdl.handle.net/11411/2834
dc.identifier.urihttps://doi.org/10.15835/nbha46211077
dc.identifier.wosWOS:000429148700035en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.issue2en_US
dc.language.isoenen_US
dc.nationalInternationalen_US
dc.numberofauthors4en_US
dc.pages570-578en_US
dc.publisherUNIV AGR SCI & VETERINARY MED CLUJ-NAPOCAen_US
dc.relation.ispartofNOTULAE BOTANICAE HORTI AGROBOTANICI CLUJ-NAPOCAen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.relation.tubitakYesen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectantioxidative enzymesen_US
dc.subjectdroughten_US
dc.subjectFragaria x ananassa Duchen_US
dc.subjectPEGen_US
dc.subjectrecoveryen_US
dc.titleProline and Antioxidant Enzyme Activities in Some Strawberry Cultivars under Drought and Recovery
dc.typeArticle
dc.volume46en_US

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