Drought stress resistance indicators of chickpea varieties grown under deficit irrigation conditions

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dc.contributor.authorUcak, Ali Beyhan
dc.contributor.authorArslan, Huseyin
dc.date.accessioned2024-12-24T19:32:58Z
dc.date.available2024-12-24T19:32:58Z
dc.date.issued2023
dc.departmentSiirt Üniversitesi
dc.description.abstractThe aim of this study was to determine the drought stress resistance of three chickpea cultivars (Inci, Hasanbey and Seckin) grown under water deficit conditions and to discuss the use of yield, crop water stress index and chlorophyll index values as drought stress tolerance indicators in breeding studies. Three drought stress levels, (full irrigation = no stress -I100, deficit irrigation = moderate stress -I50, and no irrigation = severe stress -I0) were used as irrigation treatments. The highest seed yield (1,984 kg ha-1) in severe stress conditions was recorded for the Inci cultivar with a low crop water stress index (CWSI) (0.50) and high chlorophyll index (33.60 SPAD). The lowest seed yield (1,783.66 kg ha-1) in I0 treatment was noted for the Seckin cultivar which had a high CWSI (0.58) and low chlorophyll index (32.88 SPAD). The highest seed yield (2,566.33 kg ha-1) in full irrigation was recorded for the Inci cultivar which had a low CWSI (0.19) and high chlorophyll index (44.39 SPAD), while the lowest seed yield (2,328.00 kg ha-1) in I100 treatment was recorded for the Seckin cultivar which had a high CWSI (0.26) and low chlorophyll index (42.12 SPAD). The seed yield of the Hasanbey cultivar in both severe stress (1,893 kg ha-1) and full irrigation (2,424.00 kg ha-1) conditions was between Inci and Seckin varieties. The chlorophyll index and yield had a significant positive (r = 0.877) correlation, while a significant negative (r = -0.90) relationship was determined between CWSI and yield. Seed yield of the Inci cultivar in I0 and I100 treatments and water use efficiency revealed that the Inci cultivar is resistant to drought stress. Therefore, the Inci cultivar can be used in drought stress tolerance studies. In addition, the CWSI and chlorophyll index values can be employed as resistance indicators in chickpea breeding studies to determine the drought resistant chickpea cultivars.
dc.description.sponsorshipSiirt University Scientific Research Coordinator [SIUBAP-2015-SIUEZIR-26]; General Directorate of Agricultural Research and Policies of Turkey (TAGEM); Eastern Mediterranean Agricultural Research Institute
dc.description.sponsorshipThis work was supported by the Siirt University Scientific Research Coordinator (SIUBAP-2015-SIUEZIR-26), General Directorate of Agricultural Research and Policies of Turkey (TAGEM) and the Eastern Mediterranean Agricultural Research Institute. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
dc.identifier.doi10.7717/peerj.14818
dc.identifier.issn2167-8359
dc.identifier.pmid36923507
dc.identifier.scopus2-s2.0-85150897493
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.7717/peerj.14818
dc.identifier.urihttps://hdl.handle.net/20.500.12604/7907
dc.identifier.volume11
dc.identifier.wosWOS:000952197700001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherPeerj Inc
dc.relation.ispartofPeerj
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_20241222
dc.subjectChickpea
dc.subjectDrought
dc.subjectResistant
dc.subjectPlant water stress index
dc.subjectChlorophyll content
dc.titleDrought stress resistance indicators of chickpea varieties grown under deficit irrigation conditions
dc.typeArticle

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