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Wettability and Water Uptake Improvement in Plasma-Treated Alfalfa Seeds

Author

Listed:
  • Matej Holc

    (Jožef Stefan Institute, Jamova cesta 39, 1000 Ljubljana, Slovenia)

  • Peter Gselman

    (Interkorn Ltd., Gančani 94, 9231 Beltinci, Slovenia)

  • Gregor Primc

    (Jožef Stefan Institute, Jamova cesta 39, 1000 Ljubljana, Slovenia)

  • Alenka Vesel

    (Jožef Stefan Institute, Jamova cesta 39, 1000 Ljubljana, Slovenia)

  • Miran Mozetič

    (Jožef Stefan Institute, Jamova cesta 39, 1000 Ljubljana, Slovenia)

  • Nina Recek

    (Jožef Stefan Institute, Jamova cesta 39, 1000 Ljubljana, Slovenia)

Abstract

The cultivation of alfalfa ( Medicago sativa L.), a forage crop grown worldwide, is negatively affected by hard seed presence. We show that treatment of alfalfa seeds with an inductively coupled radio frequency oxygen plasma improves their surface hydrophilicity, as determined by water contact angle (WCA) measurements and water uptake. Furthermore, we see that these effects are mediated by functionalization and etching of the alfalfa seed surface. Surface chemistry is analyzed by X-ray photoelectron spectroscopy (XPS), while morphology is viewed using scanning electron microscopy (SEM). Plasma produces effective alfalfa seed hydrophilization with a variety of treatment parameters. With its potential for fine-tuning, plasma modification of seed wettability shows promise for introduction into agricultural practice.

Suggested Citation

  • Matej Holc & Peter Gselman & Gregor Primc & Alenka Vesel & Miran Mozetič & Nina Recek, 2022. "Wettability and Water Uptake Improvement in Plasma-Treated Alfalfa Seeds," Agriculture, MDPI, vol. 12(1), pages 1-13, January.
    • Handle: RePEc:gam:jagris:v:12:y:2022:i:1:p:96-:d:722335
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    Cited by:

    1. Kai-Ying Chiu, 2022. "The Changes in GABA, GAD and DAO Activities, and Microbial Safety of Soaking- and High Voltage Electric Field-Treated Adzuki Bean Sprouts," Agriculture, MDPI, vol. 12(4), pages 1-11, March.

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