Abstract
DRY dormant seeds of Bonus barley have been irradiated with 160-MeV. protons in the scattered beam of the Uppsala synchrocyclotron. The following biological effects were studied: (a) retardation of seedling growth under greenhouse conditions, at 20° C.; (b) germination and (c) survival at maturity under field conditions; (d) sterility (per cent sterile flowers per spike); and (e) mutation frequency estimated from the frequency of spikes giving rise to recessive chlorophyll-aberrant types (cf. Gustafsson1).
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EHRENBERG, L., ANDERSSON, G. Probable Side-effect of Nuclear Reactions in the Biological Action of Fast Protons. Nature 173, 1086 (1954). https://doi.org/10.1038/1731086a0
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DOI: https://doi.org/10.1038/1731086a0
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