Cited by 9Plant Stress Responses and ToleranceSeed Germination and PhysiologyPlant Growth Enhancement Techniques

Seed priming with cold plasma, iron, and manganese nanoparticles modulates salinity stress in hemp (Cannabis sativa L.) by improving germination, growth, and biochemical attributes

Ghasempour, Samaneh, Ghanbari Jahromi, Marzieh, Mousavi, Amir, Iranbakhsh, Alireza·2024·Environmental Science and Pollution Research

Abstract

Using cutting-edge technologies such as non-thermal plasma and metallic nanoparticles has shown promise in ameliorating salinity-induced stress in plants. However, there are still knowledge gaps concerning the most effective strategies for mitigating salinity stress in hemp (Cannabis sativa L.) plants. Consequently, this study was undertaken to investigate the impact of seed priming with cold plasma (CP), iron (Fe), and manganese (Mn) nanoparticles (NPs) on salinity modulation in hemp plants, aiming to improve seed germination, plant growth, and biochemical attributes. A pot experiment was conducted with salinity at three levels (0, 60, and 120 mM NaCl) and seed priming at five levels (control, 60 s CP, 90 s CP, 50 mg L-1 Fe NPs, and 50 mg L-1 Mn NPs). The results showed that salinity at 120 mM decreased germination percentage (GP, 34%), germination speed (GS, 61%), seedling vigor index (SVI, 47%), shoot weight (38%), root weight (15%), chlorophyll (Chl) a + b (31%), and relative water content (RWC, 24%) while increasing malondialdehyde (MDA, 48%) and proline (39%). Seed priming with CP, Fe NPs, and Mn NPs increased plant weight, GP, GS, SVI, RWC, and Chl but decreased MDA accumulation. Fe NPs and salinity at 60 mM led to high levels of total phenolic content and total flavonoid content, which represent 29 and 44% increases, respectively, compared to the control. The heat map showed that among the treatments, GS and SVI had the highest degrees of variability. Fe NPs at 50 mg L-1 and CP at 90 s produced the best plant tolerance to salt stress.

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Crossref · 10.1007/s11356-024-35590-y

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Authors
Ghasempour, S., Ghanbari Jahromi, M., Mousavi, A., & Iranbakhsh, A.
Affiliations
  • Islamic Azad University, Tehran (IR)
  • National Institute of Genetic Engineering and Biotechnology (IR)
Venue
Environmental Science and Pollution Research
Published
2024-11-23
Volume
31
Issue
57
Pages
65315-65327
ISSN
  • 0944-1344 (ISSN-L)
  • 1614-7499
OpenAlex
W4404644115
Cited by
9
References
49
Citations by year
2026: 3 · 2025: 6
FWCI
2.18
Type
journal article
Language
en
Open access
closed
Locations
  • Environmental Science and Pollution Research (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Stress Responses and Tolerance
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Seed Germination and Physiology
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Growth Enhancement Techniques
Keywords
seed priming, non-thermal plasma, iron nanoparticles, manganese nanoparticles, salt stress, salt tolerance, hemp, Cannabis sativa, seed germination, seedling vigor, oxidative stress, proline, malondialdehyde, chlorophyll, relative water content, total phenolic content, total flavonoid content
MeSH terms
Salt Stress, Cannabis, Iron, Manganese, Seeds, Germination, Metal Nanoparticles, Salinity, Plasma Gases

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