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A two groundnut genotypes (Barberton and ICGV121) were used in this study to investigate the effect of different rehydration methods on sensitivity of desiccated frozen seeds on seed viability improvement. Desiccated-frozen seeds of the two genotypes were rehydrated using pre-humidification and pre-heating in contrast to directly sown seeds to determined Sensitivity of desiccated-frozen seeds under these different rehydration treatments. Germination percentages of desiccated-frozen seeds as influenced by rehydration treatments were detected. Seed desiccation sensitivity, (designated as WC50) was obtained using the Quantal Quadric response model. The results showed that, rehydration treatments decreased the sensitivity of desiccated-frozen seeds especially when the initial rate of water uptake is slow to avoid the deleterious imbibitions injury.
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