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Zinc seed priming improves spinach germination at low temperature

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  • Muhammad Imran, Nouryon
  • ,
  • Asim Mahmood, University of Hohenheim, Germany
  • Günter Neumann, University of Hohenheim, Germany
  • Birte Boelt

Low temperature during germination hinders germination speed and early seedling development. Zn seed priming is a useful and cost-effective tool to improve germination rate and resistance to low temperature stress during germination and early seedling development. Spinach was tested to improve germination and seedling development with Zn seed priming under low temperature stress conditions. Zn priming increased seed Zn concentration up to 48 times. The multispectral imaging technique with VideometerLab was used as a non-destructive method to differentiate unprimed, water-and Zn-primed spinach seeds successfully. Localization of Zn in the seeds was studied using the 1,5-diphenyl thiocarbazone (DTZ) dying technique. Active translocation of primed Zn in the roots of young seedlings was detected with laser confocal microscopy. Zn priming of spinach seeds at 6 mM Zn showed a significant increase in germination rate and total germination under low temperature at 8C.

Original languageEnglish
Article number271
JournalAgriculture (Switzerland)
Number of pages12
Publication statusPublished - Mar 2021

Bibliographical note

Publisher Copyright:
© 2021 by the authors. Licensee MDPI, Basel, Switzerland.

Copyright 2021 Elsevier B.V., All rights reserved.

    Research areas

  • Abiotic stress, Multispectral imaging, Spinach, Zn localization, Zn priming, multispectral imaging, spinach, abiotic stress

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