Ionizing Radiation: Effective Physical Agents for Economic Crop Seed Priming and the Underlying Physiological Mechanisms
Abstract
:1. Introduction
2. Ionizing Physical Priming and Plant Responses
2.1. Priming with X Radiation
2.2. Priming with γ Radiation
2.3. Priming with Electron Beam Radiation
2.4. Priming with Proton Radiation
2.5. Priming with Heavy-Ion Beam Radiation
3. Ionizing Physical Seed Priming and the Underlying Mechanisms
3.1. Mechanism behind the Interaction between X-ray Radiation and the Plant Systems
3.2. Mechanism behind the Interaction between γ-ray Radiation and the Plant Systems
3.3. Mechanism behind the Interaction between the Electron Beam Radiation and Plant Systems
3.4. Mechanism behind the Interaction between Proton Radiation and the Plant Systems
3.5. Mechanism behind the Interaction between Heavy-Ion Beam Radiation and the Plant Systems
4. Conclusions and Future Aspects
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Type of Radiation | Discoverer, Year of Discovery | Wavelength (nm) | Frequency (EHz) | LET, keV/μm | RBE | Types of Ionizing Radiation |
---|---|---|---|---|---|---|
X-ray | W.C. Röntgen (1895) | 0.01–10 | 0.03–30 | <3.5 | 1 | Electromagnetic waves |
Gamma-ray | P.U. Villard (1900) | <0.01 | >30 | <3.5 | 1 | Electromagnetic waves |
Electron | Ernst Wagner (1948) | – | – | <3.5 | 1 | Electron |
Proton | K. P. Jackson (1970) | – | – | 0.23–4.6 | 1–3 | Protons |
Heavy-ion beam | E.O. Lawrence (1930) | – | – | 22.5–4000 | 1–10 | Particles |
Treatments | Plant Species | Intensity/Dosage | Description of Responses | References |
---|---|---|---|---|
X-ray radiation | Hibiscus esculentus L. | 0, 0.25, 0.5, 1, 2.5, 5, 10, 25, 50, 75, and 100 Gy at a dose rate of 1.9 kGy/min | Increased in plant height and weight, and total pigment, enhanced the activities of enzymatic antioxidants as well as increased the accumulation of nonenzymatic antioxidants | [37] |
Brassica oleracea L., Pastinaca sativa L. | 2 and 8 Gy at a dose rate of 16.7 mGy/s | Advanced the first emergence counts of broccoli (Brassica oleracea L.) and parsnip (Pastinaca sativa L.) | [39] | |
Solanum lycopersicum L. | 0.3, 10, 20, 50, and 100 Gy at a dose rate of 1 Gy/min | Increased the plant height, number of leaves, and plant leaf area, and formed more compact plants | [40] | |
Coffea arabica | 0, 50, 100, 150, 200, and 400 Gy at a dose rate of 8 Gy/s | Improved germination, as well as enhanced seedling vigor and the hypocotyl growth | [41] | |
Phaseolus vulgaris | 0.3, 10, 50, and 100 Gy at a dose rate of 1 Gy/min | Significantly stimulated leaf lamina growth, mildly increased the activity of poly (ADP-ribose) polymerase (PARP), together with an over-production of phenolic compounds in cells | [42] | |
γ-ray radiation | Holoptelea integrifolia, Oroxylum indicum, Terminalia chebula | 25, 50, 100, 150, 200, 250, and 300 Gy at dose rates of 1.386 kGy/h | Accelerated seed germination | [35] |
Lathyrus chrysanthus Boiss | 0, 50, 100, 150, 200, and 250 Gy at dose rates of 0.8 kGy/ h | Increased germination percentage, seedling and root lengths, fresh weight, dry matter content, as well as the total chlorophyll content | [36] | |
Hordeum vulgare L. | 0, 2, 4, 6, 8,10, 13,16, 20, 25, and 50 Gy at dose rates of 20, 60, and 350 Gy/h | Accelerated the seedling development, along with higher contents of glucose-6-phosphate dehydrogenase, pyruvate kinase, and guaiacol peroxidase activity | [43] | |
Vicia sativa L. | 100 Gy at a dose rate of 354 Gy/h | Alleviated the deterrent from salt and drought stress with enhancement of the activities of catalase (CAT), superoxide dismutase (SOD), and ascorbate peroxidase (APX) and accumulated proline contents and increased dry weight | [44] | |
Pennisetum gluucum L. | 0, 0.25, 0.5, 0.75, 1.0, and 2.0 kGy with a dose rate of 33 Gy/min. | Significantly reduced the percentage of fungal incidence without changing the final germination capacity | [45] | |
Hordeum vulgare L. | 0, 50, 100, 150, 200, 250, and 300 Gy at a dose rate of 6.25 Gy/min. | Enhanced the tolerance to lead and cadmium stress with reduction of hydrogen peroxide (H2O2) and malondialdehyde (MDA) contents, enhancement the activities of antioxidant enzyme and proline levels, and alteration in chloroplasts ultrastructure | [46] | |
Electron radiation | Lens culinaris | 180 kV; 0, 8, 16, 32, and 60 kGy | Accelerated seed germination, caused root abnormalities, inactivated microbial pathogens | [47] |
Triticum aestivum L. | 100 and 130 keV; 3 and 15 kGy | Increased germination, plant height and weight, reduced fungi infection | [48] | |
Hordeum vulgare L. | 1 MeV; 500, 1000, 1250, 1500, 1750, 2000, 3000, 4000, 5000, 6000, 7000, 8000, 9000, 10,000, and 1100 Gy | Increased in coleoptile elongation, cell length, and cell width | [49] | |
Hordeum vulgare L. | 1, 2, 3, 4, 5, 6, 7, and 8 kGy a dose rate of 500 Gy/imp | Increased germination, reduced the disease incidence | [50] | |
Solanum lycopersicum L. esculentum | 150 keV; 7 kGy | Reduced the initial load of pathogenic bacteria | [51] | |
Proton radiation | Brassica rapa | 1, 2, and 3 MeV with ion fluence 1013 ions cm−2 | Penetrated the seed coat and caused perforation to promotes germination | [38] |
Oryza sativa L. | 45 MeV; 0, 50, 100, 200, 300, 400, 500, 600, 700, and 800 Gy | Increased in plant height and root length | [52] | |
Oryza sativa L. | 14.52 MeV; 20, 40, 60, 80, 100, 120, 150, 180, 200, 220, 250, 280, 300, 350, 400, 450, 500, 550, and 600 Gy | Increased in plant height, shoot and root length | [53] | |
Hordeum vulgare L. | 150 MeV; 0, 3, and 5 Gy | Improved seedling growth, and enhanced salinity stress tolerance | [54] | |
Glycine max L. Merr. | 57 and 100 MeV; 55, 62, 110, 117, 168, 172, 243, 246, 316, and 308 Gy | Increased the germination rate, but reduced the survival rates | [55] | |
Heavy-ion beam radiation | Arabidopsis thaliana | 0, 50, 100, 150, and 200 Gy at dose rate of 80 MeV/u | Increased the germination index, root length, and fresh weight, increased the generation rates of superoxide anion radical (O2.− ), hydroxyl radical (OH.), and H2O2, along with enhancing the activities of SOD, peroxidase (POD), CAT, ascorbate (AsA), and glutathione (GSH) | [25] |
Arabidopsis thaliana | 0, 50, 100, 150, and 200 Gy at dose rate of 80 MeV/u | Higher stress tolerance to cold, decreased the generation rate of O2.−, OH., H2O2, and MDA, enhanced accumulation of enzyme and non-enzymatic antioxidant, and upregulated the expression levels of cold-regulated genes | [24] | |
Arabidopsis thaliana | 0, 50, 100, 150, and 200 Gy at dose rate of 80 MeV/u | Higher stress tolerance to heat, reduced the generation rate O2.−, OH., H2O2, and MDA, enhanced enzyme activities and non-enzymatic antioxidant content, and up-regulated the genes expression level associated with heat stress response | [56] | |
Oryza sativa L. | 320 MeV; 0, 20, 40, 60, 80, 100, and 120 Gy | Increased plant height, and fresh weight, along with the total soluble protein content | [57] | |
Oryza sativa L. | 10 Gy | Improved seedling growth | [58] | |
Medicago sativa L. | 0, 200, 400, 800, and 1200 Gy | Enhanced seed germination and vigor | [59] |
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Wang, J.; Zhang, Y.; Zhou, L.; Yang, F.; Li, J.; Du, Y.; Liu, R.; Li, W.; Yu, L. Ionizing Radiation: Effective Physical Agents for Economic Crop Seed Priming and the Underlying Physiological Mechanisms. Int. J. Mol. Sci. 2022, 23, 15212. https://0-doi-org.brum.beds.ac.uk/10.3390/ijms232315212
Wang J, Zhang Y, Zhou L, Yang F, Li J, Du Y, Liu R, Li W, Yu L. Ionizing Radiation: Effective Physical Agents for Economic Crop Seed Priming and the Underlying Physiological Mechanisms. International Journal of Molecular Sciences. 2022; 23(23):15212. https://0-doi-org.brum.beds.ac.uk/10.3390/ijms232315212
Chicago/Turabian StyleWang, Jiaqi, Yixin Zhang, Libin Zhou, Fu Yang, Jingpeng Li, Yan Du, Ruiyuan Liu, Wenjian Li, and Lixia Yu. 2022. "Ionizing Radiation: Effective Physical Agents for Economic Crop Seed Priming and the Underlying Physiological Mechanisms" International Journal of Molecular Sciences 23, no. 23: 15212. https://0-doi-org.brum.beds.ac.uk/10.3390/ijms232315212