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ABSTRACT
Experiments were performed to study the protective property of 5 × 10−2M cysteine and 2 × 10−3M glutathione against radiation induced chromosome damage in the root tips of Hordeum vulgare. The protective ability was examined by scorings in anaphase cells 24 hours after 200, 400 and 600r of X-irradiation. It was found that cysteine showed a more significant level of protection against radiation induced chromosome fragments, fragments and bridges or bridges than did glutathione.
The protection was obtained when the root tips were treated with the solutions for 30 minutes just before irradiation and also during irradiation.