Key result
Cold storage at 4°C best preserves yambean seed viability and enzyme activity over room temperature.
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The experiments showed that the germination rate of yambean seeds declined to 50% in room temperature after 12 months of storage, and completely lost the germination capacity after 24 months. Best temperature for storage of yambean seeds was 4deg C under which the activities of peroxidase, catalase and superoxide dismutase in seeds were still high after storage, and the values of electroconductivity and ultraviolet absorption remained low, the production of volatile aldehydes were also low during seed germination. Storage effect of ultra-dry treatment was nearly the same as treatment at 15deg C with relative humidity of 45%.
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Waldo et al. (1979) studied Atrial flutter following open heart surgery. Storage at 4°C or ultra-dry treatment of yambean seeds vs. Room temperature storage or 15°C with 45% relative humidity was evaluated on Seed germination rate. Room temperature storage reduced yambean seed germination rate to 50% at 12 months and 0% at 24 months, whereas 4°C storage best preserved enzyme activity.
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