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Resistance to N-nitroso-N-methylurea in cytoplasmic chlorophyll mutants of sunflower induced by this mutagen



Resistance to N-nitroso-N-methylurea in cytoplasmic chlorophyll mutants of sunflower induced by this mutagen



Genetika, USSR 11(1): 23-27



Resistance to the mutagen was judged by the frequency of structural chromosome rearrangements induced. This was greatest with treatment of the seeds at 25 deg C under aerobic conditions; with treatment under anaerobic conditions or at 7-14 deg C under aerobic conditions, almost no rearrangements were induced. The nonnuclear mutants tested had a lower frequency of rearrangements (2.2-2.9%) after treatment with a concentration of 0.04% than the line from which they were obtained (6%).

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Accession: 000485023

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