| 农用稀土对糯玉米幼苗光合变化和生理指标的分析 |
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| 引用本文： | 余海兵,刘正,王波. 农用稀土对糯玉米幼苗光合变化和生理指标的分析[J]. 中国稀土学报, 2011, 29(1) |
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| 作者姓名： | 余海兵 刘正 王波 |
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| 作者单位： | 安徽科技学院植物科学学院,安徽,凤阳,233100 |
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| 基金项目： | 安徽省科技厅农业成果转化基金，安徽省教育厅重点自然基金，校重学学科基金 |
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| 摘 要： | 为了探明农用稀土对糯玉米幼苗光合和生理指标,采用随机区组排列,研究了农用稀土对糯玉米幼苗叶绿素荧光参数、光合参数、根系活力、植株形态和生物量、MDA和抗氧化酶活性的影响.结果表明,施用农用稀土能显著提高荧光参数Fv/Fm,ETR,NPQ,Fv/F0,Yield,qP最大值分别比对照增加了4.8%,23.9%,45.3%,11.01%,14.8%,26.5%;糯玉米幼苗的光合参数、根系活力、植株形态、生物量、抗氧化酶活性等变化趋势是一致的,在低浓度时,随着农用稀土浓度提高,它们逐渐地提高;到一定浓度后,随着农用稀土浓度升高,它们反而降低;MDA的变化趋势与它们是相反的.
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| 关 键 词： | 农用稀土 生理指标 根系活力 |
Analysis of Rare Earths in Agriculture on Photosynthetic Changes and Physiological Indicators in Waxy Corn Seedings |
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| Yu Haibing,Liu Zheng,Wang Bo. Analysis of Rare Earths in Agriculture on Photosynthetic Changes and Physiological Indicators in Waxy Corn Seedings[J]. Journal of the Chinese Society of Rare Earths, 2011, 29(1) |
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| Authors: | Yu Haibing Liu Zheng Wang Bo |
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| Affiliation: | Yu Haibing,Liu Zheng,Wang Bo(College of Plant Sciences,Anhui Science and Technology University,Fengyang 233100,China) |
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| Abstract: | In order to study photosynthetic changes and physiological indicators of in waxy corn of rare earth,the effects of rare earths in agriculture on chlorophyll fluorescence parameters,photosynthetic parameters,root activity,plant morphology and biomass,MDA and antioxidant enzyme activity of waxy maize seedings by randomized block arrangement were investigated.The results showed that the application of rare earths could significantly improve the fluorescence parameters of Fv/Fm,ETR,NPQ,Fv/F0 and yield.The maxim... |
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| Keywords: | rare earths in agriculture physiological indicators root activity |
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