| H2O2在光／暗调节的花粉萌发中的作用 |
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| 引用本文： | 徐华,聂丹,曹利民,杨平媛.H2O2在光／暗调节的花粉萌发中的作用[J].赣南师范学院学报,2008,29(6):61-63. |
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| 作者姓名： | 徐华 聂丹 曹利民 杨平媛 |
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| 作者单位： | 赣南师范学院,化学与生命科学学院,江西,赣州,341000 |
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| 摘 要： | 主要研究H2O2在光／暗调节的花粉萌发中的作用．实验结果显示：（1）紫荆花粉萌发最适硼酸浓度为25μg／mL；（2）暗能抑制紫荆花粉的萌发和花粉管的伸长；（3）在一定浓度（0-200μmol／L）范围内，H2O2能促进暗抑制的花粉萌发；（4）抗坏血酸（Vc）能够逆转H2O2对暗抑制花粉萌发的促进效应；（5）然而在一定浓度（0—200μmol／L）范围内，H2O2不能促进暗抑制的花粉管伸长生长．实验结果表明：H2O2作为胞内重要的信号分子可能促进暗抑制花粉萌发，但对暗抑制的花粉管伸长生长的作用不明显．
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| 关 键 词： | 过氧化氢 花粉萌发 花粉管生长 抗坏血酸 |
The Role of H_2O_2 in the Light/dark-regulated Pollen Germination in Cercis Chinensis |
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| XU Hua,NIE Dan,CAO Li-min,YANG Ping-yuan.The Role of H_2O_2 in the Light/dark-regulated Pollen Germination in Cercis Chinensis[J].Journal of Gannan Teachers' College(Social Science(2)),2008,29(6):61-63. |
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| Authors: | XU Hua NIE Dan CAO Li-min YANG Ping-yuan |
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| Institution: | XU Hua,NIE Dan,CAO Li-min,YANG Ping-yuan(College of Chemistry , Life Sciences,Gannan Normal University,Ganzhou 341000,China) |
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| Abstract: | The role of H2O2 in the light/dark-regulated pollen germination.The results showed that :(1)the optimum H3BO3 concentration of tube germination and tube growth is 25 μgl/mL.(2)dark can inhibited pollen germination and tube growth;(3)In certain concentration(0-200 μmol/L);H2O2 can promote the dark-inhibited pollen germination;(4) Ascorbic acid(VC)can reverse the promotion effect of H2O2 on the dark-inhibited pollen germination;(5)While H2O2 cann't promote pollen tube growth in certain concentration(0-200 μmol/L).The results indicated: as important message molecule,H2O2 can promote the dark-inhibited pollen germination,but have not effect on the pollen tube growth obviously. |
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| Keywords: | H2O2 pollen germination pollen tube growth Ascorbic acid |
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