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《Gansu Agricultural Science and Technology》 2005-01
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Effects of Three Chemical Reagents Soak on Seed Germination Rates and Vigor of Coptis

AN Hui-xia, HU Hong-wang(Hongfeng Industry Limited Company of Jiayuguan, Jiayuguan Gansu 735100, China)  
Considering of small size of seeds and long dormancy periods and low germination rates, experiments of coptis seeds soaked with GA_3 and KNO_3 and CaCl_2 were conducted at laboratory. Results indicated that coptis grown well and germination rates and vigor, 67.3% and 42.4%, of seeds soaked with GA_3 concentration of 1.44 mmol/l were relatively high. This concentration may be applied in coptis production. However, concentrations of KNO_3 and CaCl_2 still need to be studied further.
【CateGory Index】: S567.52
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