The effect of gamma radiation on breaking of dormancy in Phycomyces spores |
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Authors: | Jozef A. Van Assche Albert R. Carlier Lieve L. C. Van Tieghem |
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Affiliation: | (1) Laboratorium voor Plantenbiochemie, K. U. Leuven, Vaartstraat 24, B-300 Leuven, Belgium |
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Abstract: | Dormant sporangiospores of Phycomyces blakesleeanus were activated by Cs-137 gamma rays. After a dose of about 300 krad, between 80 and 90% of the spores germinated normally. However, further development of the mycelium was inhibited. Even with dry spores a partial activation was obtained. Activation by gamma rays was not accompanied by an increase in trehalase activity. |
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Keywords: | Phycomyces Spore activation Dormancy Gamma rays |
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