Examining Seed Germination Rate and Seedlings Gas Exchange Performances of Some Turkish Red Pine Provenances Under Water Stress

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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.abstractWith climate change, global warming has increased adverse effects on living things in our country. In these adverse effects, water scarcity is the most crucial problem due to the increase in temperature and decrease in precipitation. Forests are the most affected ecosystem among others by water scarcity in our country. This study tried to determine the 5-year-old seeds and 1-year-old seedlings (produced from the same seeds) of some Turkish red pine provenance’ responses to different water stress levels. First, how the water stress levels (0, -0.2, -0.4, -0.6, -0.8 MPa) affect seed germination of these provenances was determined. Secondly, gas exchange parameters [net photosynthesis (Anet), stomatal conductance (gs), transpiration (E), and intrinsic water use efficiency (iWUE)] under different water stress were determined in the seedlings obtained from these species' seeds. As a result of the germination test, Denizli-Çameli (DC) provenance had the highest rate (48%), while Maraş-Suçatı had the lowest rate (29%) under control treatment. The highest germination rate was obtained in Burdur/Bucak provenance (5%) under -0.2 MPa osmotic potential. For gas exchange parameters, Antalya/Gündoğmuş provenance had the highest Anet, gs values while DC provenance had the lowest Anet, gs, and E values when provenance is considered as a single factor. Besides, increasing in irrigation increased Anet, gs, and E while decreased the iWUE. The lowest seedling E under water stress can be explained because this species responds to the water shortage by closing its stomata. Among the Turkish red pine origins, DC provenance showed higher drought tolerance than others.en_US
dc.identifier.doi10.29130/dubited.898820
dc.identifier.endpage60en_US
dc.identifier.issn2148-2446
dc.identifier.issue3en_US
dc.identifier.startpage48en_US
dc.identifier.trdizinid496746en_US
dc.identifier.urihttp://doi.org/10.29130/dubited.898820
dc.identifier.urihttps://search.trdizin.gov.tr/yayin/detay/496746
dc.identifier.urihttps://hdl.handle.net/20.500.12684/12246
dc.identifier.volume9en_US
dc.indekslendigikaynakTR-Dizinen_US
dc.institutionauthorKoç, İsmail
dc.language.isoenen_US
dc.relation.ispartofDüzce Üniversitesi Bilim ve Teknoloji Dergisien_US
dc.relation.publicationcategoryMakale - Ulusal Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.snmz$2023V1Guncelleme$en_US
dc.subjectPEGen_US
dc.subjectgerminationen_US
dc.subjectKızılçamen_US
dc.subjectgas exchangeen_US
dc.subjectwater stress PEGen_US
dc.subjectTurkish red pineen_US
dc.subjectgaz değişimien_US
dc.subjectsu stresien_US
dc.subjectçimlenmeen_US
dc.titleExamining Seed Germination Rate and Seedlings Gas Exchange Performances of Some Turkish Red Pine Provenances Under Water Stressen_US
dc.typeArticleen_US

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