THE GAS EXCHANGE PARAMETERS OF Abies balsamea (L) MILL. AND Abies concolor SAPLINGS, GROWN UNDER VARIOUS WATER REGIME, EXPOSED TO EXTREME DROUGHT STRESS AT THE END OF THE GROWING SEASON

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dc.contributor.authorKoç, İsmail
dc.date.accessioned2023-07-26T11:50:08Z
dc.date.available2023-07-26T11:50:08Z
dc.date.issued2021
dc.departmentDÜ, Ormancılık Meslek Yüksekokulu, Ormancılık Bölümüen_US
dc.description.abstractTwo-year-old (plug+1) containerized Abies balsamea (L) Mill. and Abies concolor seedlings were grown under various irrigation in the greenhouse to examine gas exchange parameters end of the growing period when they were exposed to extreme drought stress. Relative height growth (RHG) and relative root collar diameter (RRCD) were measured next to gas exchange parameters, such as net photosynthetic rate (Anet), stomatal conductance (gs), transpiration rate (E), intrinsic water use efficiency (iWUE=Anet/gs), and water use efficiency (WUE=Anet/E). As a result, A. balsamea seedlings had a higher RHG and RRCD than A. concolor. Species had a significant effect on leaf gas exchange parameters that A. balsamea had a higher Anet, gs, and a lower iWUE than A. concolor. Increasing irrigation increased Anet and E. The interaction of species and time was statistically significant for gs and iWUE measurement. İncreasing prolonged drought decreased gs and did not change iWUE values for A. balsamea, while increased gs and reduced iWUE for A. concolor seedlings. Even though Anet, E, and WUE were not statistically significant under the interaction of species and time, there is a decreasing trend for A. balsamea on these parameters. In contrast, A. concolor had a decreasing trend on Anet, and WUE and an increasing trend for gs when the seedlings were exposed to extreme drought or extended the dehydration period were observed. A. balsamea had a better performance and drought tolerance than A. concolor when exposed to a prolonged drought.en_US
dc.identifier.endpage605en_US
dc.identifier.issn2618-6616
dc.identifier.issue2en_US
dc.identifier.startpage592en_US
dc.identifier.trdizinid1129429en_US
dc.identifier.urihttps://search.trdizin.gov.tr/yayin/detay/1129429
dc.identifier.urihttps://hdl.handle.net/20.500.12684/12248
dc.identifier.volume5en_US
dc.indekslendigikaynakTR-Dizinen_US
dc.institutionauthorKoç, İsmail
dc.language.isoenen_US
dc.relation.ispartofTurkish journal of forest science (Online)en_US
dc.relation.publicationcategoryMakale - Ulusal Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.snmz$2023V1Guncelleme$en_US
dc.titleTHE GAS EXCHANGE PARAMETERS OF Abies balsamea (L) MILL. AND Abies concolor SAPLINGS, GROWN UNDER VARIOUS WATER REGIME, EXPOSED TO EXTREME DROUGHT STRESS AT THE END OF THE GROWING SEASONen_US
dc.typeArticleen_US

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