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- W1567604358 abstract "本文研究了Hg<sup>2+</sup>Cd<sup>2+</sup>对水生经济植物莼菜冬芽茎叶叶绿素含量、叶绿素 a/b值。可溶性蛋白含量、O<sub>2</sub>含量以及活性氧清除系统活性（SOD,CAT,POD）的影响实验结果表明：叶绿素含量、叶绿素 a/b值、可溶性蛋白含量随着 Hg<sup>2+</sup>,Cd<sup>2+</sup>处理浓度的加大呈下降趋势；低浓度Hg<sup>2+</sup>(≤1mmol．L<sup>-1</sup>,Cd<sup>2+</sup>(≤5mmol．L<sup>-1</sup>对O<sub>2</sub>'含量、SOD活性、CAT活性有激应升高,但随着Hg<sup>2+</sup>Cd<sup>2+</sup>处理浓度的加大又呈下降趋势； POD活性随着 Hg<sup>2+</sup>Cd<sup>2+</sup>处理浓度的加大一直呈上升趋势.莼菜冬芽对Hg<sup>2+</sup>的反应较Cd<sup>2+</sup>敏感,叶片对Hg<sup>2+</sup>Cd<sup>2+</sup>的反应较茎敏感;This paper deals with the impact of Hg<sup>2+</sup>, Cd<sup>2+</sup> on chlorophyll contents and scarenging systems of activated oxygen in stems and leaves of Brasenia schreberi winter bud. The results indicate that, as increasing of the concentration of Hg<sup>2+</sup> and Cd<sup>2+</sup>, chlorophyll contents, chlorophyll a/b values and soluble protein contents decreased, the activities of SOD and CAT increased first and decreased afterwards and the activity of POD increased from beginning to end. The results also show that Brasenia schreberi winter bud is more sensitive to Hg<sup>2+</sup> than to Cd<sup>2+</sup>, its leaves is more sensitive than its stems." @default.
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- W1567604358 date "1999-01-01" @default.
- W1567604358 modified "2023-10-17" @default.
- W1567604358 title "Effects of Hg<sup>2+</sup>, Cd<sup>2+</sup> on Chlorophyll Content and Scarenging Systems of Activated Oxygen in Stems and Leaves of Brasenia Schreberi Winter Bud" @default.
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- W1567604358 doi "https://doi.org/10.18307/1999.0406" @default.
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