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Effects of nano-silicon dioxide on photosynthetic fluorescence characteristics of Indocalamus barbatus McClure
Pages: 59-63
Year: Issue:  2
Journal: Journal of Nanjing Forestry University(Natural Science Edition)

Keyword:  纳米SiO2髯毛箬竹气体交换参数叶绿素荧光参数;
Abstract: 以髯毛箬竹为试验对象,采用叶面喷施的处理方法,研究不同质量浓度的纳米SiO2(150、300、450 mg/L)对髯毛箬竹光合荧光特性的影响.结果显示:在整个试验期间,与对照相比,各浓度的纳米SiO2处理均能不同程度地促进髯毛箬竹净光合速率、气孔导度、蒸腾速率等气体交换参数和PSⅡ潜在活性、有效光化学量子产量、实际光化学量子产量、电子传递速率和光化学猝灭系数等叶绿素荧光参数的升高,其中以300 m...
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