Effect of Drought Stress on Morphological and Yield Characteristics of Potato (Solanum tuberosum L.) Breeding Lines

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dc.contributor.authorIbrahim, Sani Ibrahim
dc.contributor.authorNaawe, Eric Kuopuobe
dc.contributor.authorCaliskan, Mehmet Emin
dc.date.accessioned2024-11-07T13:24:47Z
dc.date.available2024-11-07T13:24:47Z
dc.date.issued2024
dc.departmentNiğde Ömer Halisdemir Üniversitesi
dc.description.abstractAbiotic stresses are the major constraint that limits the productivity of potatoes. Among all the major abiotic stresses, drought is the main stress that is increasing on a yearly basis. Therefore, the current field study was conducted to evaluate the morphological and yield characteristics of 29 potato genotypes. Plants were divided into control and drought stress groups, and plants were acclimatized to drought stress 45 days after sowing (DAS). The irrigation regime was maintained at 3-day interval for control group plants, while for the drought stress treatment, the field was irrigated at 6-day interval. Performance of potato plants was observed by measuring morpho-physiological and yield traits that included canopy temperature, chlorophyll contents, growth duration, plant height, stand establishment, and number of stems per plant. Finally, potato tuber traits were measured (number of tubers, tuber weight, and marketable tuber weight). All potato breeding lines showed contrasting behaviour in response to drought stress. Results showed that potato breeding lines 7, 9, 11, 20, 12, 16, 22, 21, 10, and 18 suggested tolerance as they showed the least reduction in yield characteristics, whereas genotypes 1, 26, 24, 4, 27, 6, 8, 29, 23, 26, 3, and 5 showed poor performance as they failed to cope with stress conditions. Broad sense heritability showed 77% variability that suggested decreased effect of environment on potato genotypes for the selection of high-yielding tubers. The resilient potato breeding lines showed the potential to be stably used as potato breeding material for stress tolerance. These tolerant lines can be used by future breeding programmes to develop resilient cultivars to cope with drought stress problems and to ensure food security.
dc.description.sponsorshipBAP of Nigde Omer Halisdemir University; [TGT 2021/24-OENAP]
dc.description.sponsorshipThis work is a part of the first author's PhD thesis and he acknowledges the financial support of the BAP (TGT 2021/24-OENAP) internal funding project of Nigde Omer Halisdemir University. The authors also acknowledge Olivet Delasi Gleku and Haruna Gaji Kolo for their help in the data collection, the technical field operators, and the whole potato research team of the Faculty of Agricultural Science and Technologies for their help during planting, maintenance, and harvesting.
dc.identifier.doi10.1007/s11540-023-09655-3
dc.identifier.endpage543
dc.identifier.issn0014-3065
dc.identifier.issn1871-4528
dc.identifier.issue2
dc.identifier.scopus2-s2.0-85171372631
dc.identifier.scopusqualityQ1
dc.identifier.startpage529
dc.identifier.urihttps://doi.org/10.1007/s11540-023-09655-3
dc.identifier.urihttps://hdl.handle.net/11480/14324
dc.identifier.volume67
dc.identifier.wosWOS:001069259900001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofPotato Research
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241106
dc.subjectBreeding lines
dc.subjectDrought stress
dc.subjectField study
dc.subjectMorphology
dc.subjectPotato
dc.subjectYield
dc.titleEffect of Drought Stress on Morphological and Yield Characteristics of Potato (Solanum tuberosum L.) Breeding Lines
dc.typeArticle

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