Changes in chlorophyll fluorescence parameters and oxidative stress responses of bush bean genotypes for selecting contrasting acclimation strategies under water stress

I. Tari, D. Camen, Giancarla Coradini, J. Csiszár, Erika Fediuc, Katalin Gémes, A. Lazar, E. Madosa, Sorina Mihacea, P. Poor, Simona Postelnicu, Mihaela Staicu, Ágnes Szepesi, G. Nedelea, L. Erdei

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Drought resistance of bean landraces was compared in order to select genotypes with either high morphological or high biochemical-physiological plasticity. The lines in the former group exhibited fast reduction in fresh and dry mass, decreased the water potential in primary leaves after irrigation withdrawal and the biomass mobilized from the senescent primary leaves was allocated into the roots. These genotypes had high frequency of primary leaf abscission under water stress. The genotypes with plasticity at the biochemical level maintained high water potential and photochemical efficiency, i.e. effective quantum yield, high photochemical (qP) and low non-hotochemical (NPQ) quenching in primary leaves under drought stress. While superoxide dismutase activity was not influenced by the drought and the genotype, catalase activity increased significantly in the primary leaves of the genotypes with efficient biochemical adaptation. Lines with high morphological plasticity exhibited higher quaiacol peroxidase activity under drought. Proline may accumulate in both cases, thus it may be a symptom of protein degradation or a successful osmotic adaptation. On the basis of contrasting responses, the genetic material cannot be screened for a large-scale breeding program by a single physiological parameter but by a set of the methods presented in this work.

Original languageEnglish
Pages (from-to)335-345
Number of pages11
JournalActa Biologica Hungarica
Volume59
Issue number3
DOIs
Publication statusPublished - Sep 2008

Fingerprint

Oxidative stress
Acclimatization
Drought
Chlorophyll
Dehydration
water stress
acclimation
Droughts
chlorophyll
Oxidative Stress
genotype
fluorescence
Fluorescence
Genotype
Plasticity
Water
plasticity
drought
Quantum yield
drought resistance

Keywords

  • Chlorophyll a fluorescence
  • Drought stress
  • Phaseolus vulgaris nanus L.
  • Proline
  • ROS scavenging enzymes

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Environmental Science(all)
  • Neurology

Cite this

Changes in chlorophyll fluorescence parameters and oxidative stress responses of bush bean genotypes for selecting contrasting acclimation strategies under water stress. / Tari, I.; Camen, D.; Coradini, Giancarla; Csiszár, J.; Fediuc, Erika; Gémes, Katalin; Lazar, A.; Madosa, E.; Mihacea, Sorina; Poor, P.; Postelnicu, Simona; Staicu, Mihaela; Szepesi, Ágnes; Nedelea, G.; Erdei, L.

In: Acta Biologica Hungarica, Vol. 59, No. 3, 09.2008, p. 335-345.

Research output: Contribution to journalArticle

Tari, I, Camen, D, Coradini, G, Csiszár, J, Fediuc, E, Gémes, K, Lazar, A, Madosa, E, Mihacea, S, Poor, P, Postelnicu, S, Staicu, M, Szepesi, Á, Nedelea, G & Erdei, L 2008, 'Changes in chlorophyll fluorescence parameters and oxidative stress responses of bush bean genotypes for selecting contrasting acclimation strategies under water stress', Acta Biologica Hungarica, vol. 59, no. 3, pp. 335-345. https://doi.org/10.1556/ABiol.59.2008.3.7
Tari, I. ; Camen, D. ; Coradini, Giancarla ; Csiszár, J. ; Fediuc, Erika ; Gémes, Katalin ; Lazar, A. ; Madosa, E. ; Mihacea, Sorina ; Poor, P. ; Postelnicu, Simona ; Staicu, Mihaela ; Szepesi, Ágnes ; Nedelea, G. ; Erdei, L. / Changes in chlorophyll fluorescence parameters and oxidative stress responses of bush bean genotypes for selecting contrasting acclimation strategies under water stress. In: Acta Biologica Hungarica. 2008 ; Vol. 59, No. 3. pp. 335-345.
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