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The spermine, spermidine, and the total protein content of embryos or embryonic axes from Triticum durum, Helianthus annuus, and Glycine max seeds at different times of early germination was evaluated. Mitotic activity of root-tip meristems from germinating seeds was also determined. The hypothesis is suggested that differences in polyamine and protein pattern during early germination could be correlated with the onset of mitotic activity and with the different characteristics of the seeds assayed.

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