THE EFFECT OF HIGH DOSES OF RADIATION ON SEEDLING GROWTH
Further studies on the phenomenon of reversal in the seedling height- dose curve are reported. A comparison of the coleoptile and leaf growth in barley and wheat lends support to the postulate that the reversal is caused by an interaction of chromosome damage and mitotic inhibition In corn, the phenomenon persisted even after a postirradiation storage of the seeds for more than 4 years. The dose at which the reversal occurs was shown to be dependent on the moisture content of the seed at the time of irradiation. With superdry seeds, which show increased radiosensitivity as compared to air-dry seeds. the reversal occurs at a lower dose. (auth)
- Research Organization:
- Oak Ridge National Lab., Tenn.
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-13-007446
- OSTI ID:
- 4260896
- Journal Information:
- Radiation Research, Journal Name: Radiation Research Vol. Vol: 10
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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