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Genotype-Specific Responses to Drought During Seed Production in Carrot: Biochemical, Physiological, and Seed Quality Evaluation

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dc.abstract.enDrought stress during the reproductive phase substantially reduces seed yield and quality, posing a major challenge to sustainable crop production under climate change. This study investigated the effects of drought stress at the flowering stage on selected biochemical and physiological parameters in 18 carrot accessions. To describe the long-term consequences of drought comprehensively, we examined seed quality parameters. Our analyses revealed that stress responses are highly dependent on the genotype and the parameter examined. Regarding antioxidant responses and potential tissue damage caused by drought, ‘Dolanka’, DC97, DC265, DC359, DC522, DC701, DC704, and DC720 exhibited the highest tolerance. The photosynthetic apparatus and pigments were maintained under stress in DC233, DC522, DC717, and DC728. Germination parameters served as reliable indicators of stress tolerance in DC97, DC359, DC432, DC522, DC701, and DC722 accessions. Based on these findings and detailed discussion of the results, we conclude that tolerance/sensitivity assessment of carrot genotypes should consider the holistic response of the plant rather than individual parameters. Through overall assessment, we recommended DC522 accession as the most drought-tolerant, given its enhanced ROS (Reactive Oxygen Species) scavenging mechanisms, increased chloroplast pigments accumulation, and superior germination parameters under drought conditions. Conversely, DC295 should not be cultivated under water-deficient conditions due to its impaired ability to detoxify ROS, altered photosynthetic activity, and disrupted seed germination under such conditions. These results collectively highlight the potential for selecting drought-tolerant carrot genotypes in breeding programs targeting improved seed performance under water-limited conditions, thereby supporting the development of resilient cultivars adapted to future climate challenges.
dc.affiliationWydział Inżynierii Środowiska i Inżynierii Mechanicznej
dc.affiliation.instituteKatedra Melioracji, Kształtowania Środowiska i Gospodarki Przestrzennej
dc.contributor.authorJagosz, Barbara
dc.contributor.authorCzernicka, Małgorzata
dc.contributor.authorKamińska, Iwona
dc.contributor.authorWilmowicz, Emilia
dc.contributor.authorKućko, Agata
dc.contributor.authorSmoleń, Sylwester
dc.contributor.authorKapusta, Małgorzata
dc.contributor.authorKocięcka, Joanna
dc.contributor.authorRolbiecki, Stanisław
dc.contributor.authorRolbiecki, Roman
dc.contributor.authorRóg, Leszek
dc.date.access2025-11-06
dc.date.accessioned2025-11-06T09:53:34Z
dc.date.available2025-11-06T09:53:34Z
dc.date.copyright2025-10-31
dc.date.issued2025
dc.description.abstract<jats:p>Drought stress during the reproductive phase substantially reduces seed yield and quality, posing a major challenge to sustainable crop production under climate change. This study investigated the effects of drought stress at the flowering stage on selected biochemical and physiological parameters in 18 carrot accessions. To describe the long-term consequences of drought comprehensively, we examined seed quality parameters. Our analyses revealed that stress responses are highly dependent on the genotype and the parameter examined. Regarding antioxidant responses and potential tissue damage caused by drought, ‘Dolanka’, DC97, DC265, DC359, DC522, DC701, DC704, and DC720 exhibited the highest tolerance. The photosynthetic apparatus and pigments were maintained under stress in DC233, DC522, DC717, and DC728. Germination parameters served as reliable indicators of stress tolerance in DC97, DC359, DC432, DC522, DC701, and DC722 accessions. Based on these findings and detailed discussion of the results, we conclude that tolerance/sensitivity assessment of carrot genotypes should consider the holistic response of the plant rather than individual parameters. Through overall assessment, we recommended DC522 accession as the most drought-tolerant, given its enhanced ROS (Reactive Oxygen Species) scavenging mechanisms, increased chloroplast pigments accumulation, and superior germination parameters under drought conditions. Conversely, DC295 should not be cultivated under water-deficient conditions due to its impaired ability to detoxify ROS, altered photosynthetic activity, and disrupted seed germination under such conditions. These results collectively highlight the potential for selecting drought-tolerant carrot genotypes in breeding programs targeting improved seed performance under water-limited conditions, thereby supporting the development of resilient cultivars adapted to future climate challenges.</jats:p>
dc.description.accesstimeat_publication
dc.description.bibliographyil., bibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.if4,9
dc.description.number21
dc.description.points140
dc.description.versionfinal_published
dc.description.volume26
dc.identifier.doi10.3390/ijms262110642
dc.identifier.eissn1422-0067
dc.identifier.issn1661-6596
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/5771
dc.identifier.weblinkhttps://www.mdpi.com/1422-0067/26/21/10642
dc.languageen
dc.pbn.affiliationenvironmental engineering, mining and energy
dc.relation.ispartofInternational Journal of Molecular Sciences
dc.relation.pagesart. 10642
dc.rightsCC-BY
dc.sciencecloudnosend
dc.share.typeOPEN_JOURNAL
dc.subject.encarotenoids
dc.subject.encatalase
dc.subject.enchlorophylls
dc.subject.enDaucus carota L.
dc.subject.englutathione reductase
dc.subject.enguaiacol peroxidase
dc.subject.enhydrogen peroxide
dc.subject.enMDA
dc.subject.enproline
dc.titleGenotype-Specific Responses to Drought During Seed Production in Carrot: Biochemical, Physiological, and Seed Quality Evaluation
dc.typeJournalArticle
dspace.entity.typePublication
oaire.citation.issue21
oaire.citation.volume26