Effects of Different Storage Methods on Saline-alkali Tolerance of Nelumbo nucifera Seeds
In order to explore the effects of different storage methods on the salt-alkali tolerance of Nelumbo nucifera seeds,the simulated controlling experiment was used in this study and the seed character changes and salt-alkali tolerance characteristics of seedlings were analysed under five differ-ent storage methods,namely dry storage at room temperature,sand storage at room temperature,dry storage at low temperature,sand storage at low temperature and freezing storage,in order to screen out the best seed storage methods.The results showed that the Nelumbo nucifera seeds and seedlings under normal temperature sand storage showed a better growth state under salt and alkali stress,the germination potential,germination rate,bud length,fresh weight and peroxidase activity of seedlings were significantly higher than other storage methods.However,low temperature storage could make the seeds in stress state,which led to the increase of proline,soluble sugar and superoxide dismutase activities in seedlings.
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