Abstract
IT has already been shown1,2 that the growth of the coleoptile and first leaf from barley seeds soaked prior to irradiation in 0.5 molar solutions of sodium and alkaline–earth chlorides is greater than that of controls soaked in distilled water. This radioprotection is provided by different salts not specially recognized as inducing such effects (magnesium chloride excepted)3. It has therefore been assumed that the mechanism of this reduction of X-ray damage is an indirect one. The physiological effects relating to the osmotic potential of the soaking solutions were proposed to explain the results obtained.
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References
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GILLET, C. Modification of Radiation-induced Injury in Barley by Pre-treatments with Solutions of different Osmotic Potential. Nature 207, 99–100 (1965). https://doi.org/10.1038/207099a0
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DOI: https://doi.org/10.1038/207099a0
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