JOURNAL ARTICLE

[Effects of seed priming on salt tolerance in Prunella vulgaris seed germination under saline conditions]

Xianxiu Zhang, Qiaosheng Guo, Xuelian Shen
Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica 2009, 34 (8): 944-7
19639771

OBJECTIVE: Selecting an effective way to increase salt-resistance of Prunella vulgaris seed through seed priming technology.

METHOD: The treatment of salt stress to P. vulgaris seeds was made by the different concentrations of NaCl solutions. Primed seeds germinated under 0.8% NaCl.

RESULT: As concentrations of NaCl increasing, seed germination percentage, germination index and vitality index reduced. Primed with 15%-35% PEG, 100-500 mg x L(-1) GA3 and 0.4%-2.0% KNO3-KH2PO4 could enhance seeds germination index and vitality index under salt stress while treated with NaCl seeds germination percentage reduced.

CONCLUSION: Treated with PEG, GA3, KNO3-KH2PO4 under proper concentration, the seed vigor, seed resistance under salt stress increased.

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