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Sequential abiotic stress applied to juvenile eggplant modifies the seedlings parameters, plant ontogeny and yield

Author

Listed:
  • A. Sękara

    (Department of Vegetable and Medicinal Plants, Faculty of Biotechnology and Horticulture, University of Agriculture in Krakow, Krakow, Poland)

  • R. Bączek-Kwinta

    (Department of Plant Physiology, Faculty of Agriculture and Economics, University of Agriculture in Krakow, Krakow, Poland)

  • M. Gawęda

    (Department of Vegetable and Medicinal Plants, Faculty of Biotechnology and Horticulture, University of Agriculture in Krakow, Krakow, Poland)

  • A. Kalisz

    (Department of Vegetable and Medicinal Plants, Faculty of Biotechnology and Horticulture, University of Agriculture in Krakow, Krakow, Poland)

  • R. Pokluda

    (Department of Vegetable Growing and Floriculture, Faculty of Horticulture, Mendel University in Brno, Lednice, Czech Republic)

  • A. Jezdinský

    (Department of Vegetable Growing and Floriculture, Faculty of Horticulture, Mendel University in Brno, Lednice, Czech Republic)

Abstract

The main goal of this study was to evaluate eggplant (Solanum melongena L.) susceptibility to a sequence of stress factors during plant ontogeny based on seedling morphological, biochemical and physiological parameters and the subsequent assessment of yield characteristics. After germination, seedlings at the radical stage were exposed to chilling, heat, osmotic or oxidative stress. Four weeks after development in standard conditions in a greenhouse, the seedlings were again subjected to chilling stress in a growth chamber. A non-chilled Control was implemented. Then, the yield and physiological characteristics were assessed after field cultivation. Generally, stress application after germination resulted in better plant acclimation to chilling at the 4-week-old seedling phase, evaluated on the basis of photosynthetically active pigment contents, chlorophyll fluorescence and some morphological characteristics. The comparable time to reach successive phenological stages by stressed and Control plants in the field suggests that stress pretreatment does not retard eggplant development. These results also confirm the thesis that stress memory can be induced in eggplant by stressor application during the early stages of development.

Suggested Citation

  • A. Sękara & R. Bączek-Kwinta & M. Gawęda & A. Kalisz & R. Pokluda & A. Jezdinský, 2016. "Sequential abiotic stress applied to juvenile eggplant modifies the seedlings parameters, plant ontogeny and yield," Horticultural Science, Czech Academy of Agricultural Sciences, vol. 43(3), pages 149-157.
    • Handle: RePEc:caa:jnlhor:v:43:y:2016:i:3:id:162-2015-hortsci
    DOI: 10.17221/162/2015-HORTSCI
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    Cited by:

    1. Georgios Lagiotis & Panagiotis Madesis & Evangelia Stavridou, 2023. "Echoes of a Stressful Past: Abiotic Stress Memory in Crop Plants towards Enhanced Adaptation," Agriculture, MDPI, vol. 13(11), pages 1-30, November.

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