Environmental regulation of a 25 kDa dehydrin in relation to Rhododendron cold acclimation

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dc.contributor.authorMarian, Calin Ovidiu
dc.contributor.authorKrebs, Stephen L.
dc.contributor.authorArora, Rajeev
dc.contributor.buuauthorEriş, Atilla
dc.contributor.departmentUludağ Üniversitesi/Ziraat Fakültesi/Bahçe Bitkileri Bölümü.tr_TR
dc.contributor.scopusid6602612385tr_TR
dc.date.accessioned2022-04-14T05:46:02Z
dc.date.available2022-04-14T05:46:02Z
dc.date.issued2004-05
dc.description.abstractThe influence of photoperiod and temperature on the seasonal (fall to winter) cold acclimation and accumulation of a 25 kDa dehydrin,in Rhododendron 'Chionoides' was studied by exposing two groups of plants each in the greenhouse or outdoors to either a natural photoperiod (or short days) or an extended photoperiod (or long days) regime. Results suggest that the shortening daylength alone is sufficient to trigger both the first stage of cold acclimation and concomitant 25 kDa dehydrin induction. Exposure of the plants to natural photoperiod and temperatures induced the greatest cold hardiness and 25 kDa accumulation, while exposure to extended photoperiods (long days) and warmer temperatures (in the greenhouse) failed to induce any significant freezing tolerance in leaves. Whereas short days trigger the cold acclimation process initially, low inductive temperatures can eventually replace the photoperiod stimulus. Seasonal accumulation of 25 kDa dehydrin, on the other hand, appears to be predominantly effected by short photoperiods. Data indicated that the leaf water content of outdoor plants maintained under natural photoperiod was lower than that of plants grown under extended photoperiod. This was also true for the greenhouse plants at the first (September) and the last (January) sampling. It is hypothesized that early 25 kDa dehydrin accumulation may be due to short-day-induced cellular dehydration. Accumulation of two other dehydrins of 26 kDa and 32 kDa molecular masses does not appear to be associated with short day (SD)-induced first stage of cold acclimation. Results show that their accumulation may be regulated by low, subfreezing temperatures and may be associated with the second and/or third stage of cold acclimation of 'Chionoides' rhododendron leaves.en_US
dc.identifier.citationMarian, C. O. vd. (2004). “Environmental regulation of a 25 kDa dehydrin in relation to Rhododendron cold acclimation”. Journal of the American Society for Horticultural Science, 129(3), 354-359.en_US
dc.identifier.endpage359tr_TR
dc.identifier.issn0003-1062
dc.identifier.issue3tr_TR
dc.identifier.scopus2-s2.0-1942454294tr_TR
dc.identifier.startpage354tr_TR
dc.identifier.urihttps://doi.org/10.21273/JASHS.129.3.0354
dc.identifier.urihttps://journals.ashs.org/jashs/view/journals/jashs/129/3/article-p354.xml
dc.identifier.urihttp://hdl.handle.net/11452/25766
dc.identifier.volume129tr_TR
dc.identifier.wos000221013800011tr_TR
dc.indexed.scopusScopusen_US
dc.indexed.wosSCIEen_US
dc.language.isoenen_US
dc.publisherAmerican Society for Horticultural Scienceen_US
dc.relation.collaborationYurt dışıtr_TR
dc.relation.journalJournal of the American Society for Horticultural Scienceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergitr_TR
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectAgricultureen_US
dc.subjectRhododendronen_US
dc.subjectCold hardinessen_US
dc.subjectFreezing toleranceen_US
dc.subjectPhotoperioden_US
dc.subjectBetula-pubescens ehrhen_US
dc.subjectFreezing-toleranceen_US
dc.subjectCornus-stoloniferaen_US
dc.subjectSeasonal-changesen_US
dc.subject25-kDa dehydrinen_US
dc.subjectWater relationsen_US
dc.subjectLea proteinsen_US
dc.subjectHardinessen_US
dc.subjectDehydrationen_US
dc.subjectTemperatureen_US
dc.subject.scopusBud Set; Picea Abies; Phenologyen_US
dc.subject.wosHorticultureen_US
dc.titleEnvironmental regulation of a 25 kDa dehydrin in relation to Rhododendron cold acclimationen_US
dc.typeArticle
dc.wos.quartileQ2en_US

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