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[Effects of seed priming on vigor of Prunella vulgaris seeds]
Xian-Xiu Zhang1, Qiao-Sheng Guo, Yan-Ru Wang
1Institute of Chinese Medicinal Materials, Nanjing Agricultural University, Nanjing 210095, China.
Objective:
To select an effective way to enhance vigor of Prunella vulgaris seeds.
Method:
Three population seeds were treated at the 20 degrees C and dark enviroment.
Result:
Priming with 20% - 30% PEG and 200 - 400 mg x L(-1) GA3 could enhance seeds germination and vigor. Germination percentage of three population seeds treated with 0. 6% - 3.0% NaCl reduced, but they started to germinate in advance. Treated with 0.6% - 2.4% KNO3-KH2PO4, germination rate and vigor of seeds in Zijinshan and Pan' an both increased and the one in Bozhou decreased.
Conclusion:
Vigor of P. vulgaris seed treated with PEG and GA3 under proper concentration increases, while treated with KNO3-KH2PO, and NaCl low vigor seeds germination rate reduces.
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