Quantifying photosynthetic properties of drought-resistant and sensitive cotton varieties grown in Eastern Mediterranean conditions

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dc.authorid0000-0001-7636-2858en_US
dc.authorid0000-0001-6722-6467en_US
dc.authorid0000-0003-1099-4363en_US
dc.contributor.authorÖdemirş, Berkant
dc.contributor.authorKılıç, Şeref
dc.contributor.authorEvrendilek, Fatih
dc.date.accessioned2021-01-20T08:13:17Z
dc.date.available2021-01-20T08:13:17Z
dc.date.issued2020en_US
dc.departmentZiraat Fakültesien_US
dc.description.abstractAims: This study aimed to investigate the effects of different irrigation water levels on evapotranspiration, water use efficiency, stomatal conductance, photosynthesis rates and yields in 14 drought-sensitive and resistant cotton varieties. Methods and Results: The trial was carried out according to the random blocks experimental design pattern. The experimental study was conducted on ST 506, ST468, BA525, BA119, FLASH, SIOKRA L-22, TAM SPHINX, TAM 94L-25, PIMA S-7, TAMCOT-22, TAMCOT SP 21 S, TAMCOT SP 23, TAMCOT CAMD-ES and AKSEL cultivars. Evapotranspiration, water use efficiency, stomatal conductance, transpiration and photosynthesis rates and yields of the mentioned cultivars were determined. Photosynthesis rate, transpiration rate and stomatal conductance were measured only at the levels of full irrigation (I100) and 25% of the full irrigation (I25). Conclusions: The total numbers of irrigation done in the first and second years were four and six, respectively. The amount of irrigation water applied varied between 270 and 480 mm in the first year, and 298 and 520 mm in the second year. Yield and evapotranspiration increased depending on the amount of irrigation water applied. The highest and lowest yields were determined as 358 kg da-1 in Aksel cultivar and 555 kg da-1 in BA525 variety, respectively. On average, the photosynthesis rate was measured as 12,616 µmol m-2 s -1 for I100, and 7.549 µmol m-2 s -1 for I25. As the stomatal conductance increased, the yield also increased (0.093 mol m-2 s -1 for I25 and 0.182 mol m-2 s -1 for I100). Transpiration rate was determined as 2.947 mmol m-2 s -1 for I25 and 3.919 mmol m-2 s -1 for I100. The varieties did not significantly differ in terms of water stress. Aksel cultivar is droughtsensitive, whereas the others are drought-resistant varieties. Significance and Impact of the Study: The research revealed the physiological characteristics, plant water consumption and water use efficiency of 14 different cotton varieties widely grown in eastern Mediterranean conditions. And also, when the relationship of the mentioned parameters with yield was examined, the relationship between stomatal conductance and yield was found lower than the one between transpiration and photosynthesis rates.en_US
dc.identifier.citationÖDEMİŞ, B., KILIC, S., & EVRENDİLEK, F. (2020). Quantifying photosynthetic properties of drought-resistant and sensitive cotton varieties grown in Eastern Mediterranean conditions. Mustafa Kemal Üniversitesi Tarım Bilimleri Dergisi, 25(1), 65-74.en_US
dc.identifier.doi10.37908/mkutbd.699594en_US
dc.identifier.endpage74en_US
dc.identifier.issn1300-9362
dc.identifier.issn2667-7733
dc.identifier.issue1en_US
dc.identifier.startpage65en_US
dc.identifier.urihttps://dx.doi.org/10.37908/mkutbd.699594
dc.identifier.urihttps://hdl.handle.net/20.500.12483/3106
dc.identifier.volume25en_US
dc.indekslendigikaynakTR-Dizinen_US
dc.language.isoenen_US
dc.publisherHatay Mustafa Kemal Üniversitesi Ziraat Fakültesien_US
dc.relation.ispartofMustafa Kemal Üniversitesi tarım bilimleri dergisi (online)en_US
dc.relation.publicationcategoryMakale - Ulusal Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectCotton varitiesen_US
dc.subjectStomatal conductanceen_US
dc.subjectTranspiration rateen_US
dc.subjectPhotosynthesis rateen_US
dc.titleQuantifying photosynthetic properties of drought-resistant and sensitive cotton varieties grown in Eastern Mediterranean conditionsen_US
dc.title.alternativeDoğu Akdeniz koşullarında yetiştirilen kuraklığa dayanıklı ve hassas pamuk çeşitlerinin fotosentetik özelliklerin belirlenmesien_US
dc.typeArticleen_US

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