Medicinal Plant

2010, v.1(11) 33-35+38

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Effect of Mn~(2+) and Fe~(2+) Stress on the Seed Germination and Seedling Growth of Phytolacca acinosa Roxb
Effect of Mn~(2+) and Fe~(2+) Stress on the Seed Germination and Seedling Growth of Phytolacca acinosa Roxb

摘要(Abstract):

[Objective] To discuss the effect of Mn2+ and Fe2+ stress on germination and seedling growth of Phytolacaa acinosa Roxb.seed.[Method] The germination rate,germination potential,germination index and seedling survival rate of Phytolacaa acinosa Roxb.seed under different Mn2+ and Fe2+ stress were calculated,investigating effect of Mn2+ and Fe2+ stress on germination and planting of Phytolacaa acinosa Roxb.seed.[Result] In comparison with control,when concentration of Mn2+ and Fe2+ were lower than 1 000 and 45 mg/L respectively,the germination of Phytolacaa acinosa Roxb.seed varied insignificantly;effect of Mn2+ and Fe2+ stress on seedling growth was stronger than seed germination with critical concentration of 800 and 45 mg/L,respectively.[Conclusion] This case provides reference for restoring plants polluted by Mn2+ and Fe2+ in soil and water and provides scientific evidence for the cultivation of Phytolacca acinosa Roxb..

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基金项目(Foundation): Supported by Project from Fujian Education Department (JK2009008);; Project from Fujian Department of Environmental Protection (FJHK200912)

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