Abstract
UP-TO-DATE and Gola potatoes were irradiated about 2 weeks after lifting with 3,000, 6,000 and 9,000 rads of cobalt-60 γ-rays at the rate of 3,000 rad/min and cold-stored with appropriate controls at 11°–12° C (relative humidity 85–90 per cent). There were 20 potatoes in every one of the treatments, including the controls. The percentages of tubers sprouting in the various lots after 4 months of cold storage are recorded in Table 1. The optimum γ-radiation dose, two weeks after lifting, appears to be 9,000 rads for Up-to-Date and 6,000 rads for Gola. Rubin and Metlitsky1 reported that Berlikhingen variety of potato needs a higher γ-radiation dose than Moscow variety for prevention of sprouting.
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Rubin, B. A., and Metlitsky, L. V., Proc. Second U.N. Intern. Conf. Peaceful Uses of Atomic Energy, Geneva, 27, 437 (1958).
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MATHUR, P. Variety, Developmental Stage and Dose Rate in Irradiation of the Potato. Nature 198, 99 (1963). https://doi.org/10.1038/198099a0
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DOI: https://doi.org/10.1038/198099a0
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