| 汞离子对细基江蓠孢子萌发和生长的影响 |
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| 引用本文： | 周银环,唐月娣,淮永丽,黄海立,赵素芬.汞离子对细基江蓠孢子萌发和生长的影响[J].广东海洋大学学报,2006,26(3):36-40. |
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| 作者姓名： | 周银环 唐月娣 淮永丽 黄海立 赵素芬 |
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| 作者单位： | 广东海洋大学水产学院,广东,湛江,524025 |
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| 摘 要： | 研究了4种Hg2+浓度对细基江蓠果孢子和四分孢子附着、萌发和生长的影响。结果表明:与对照组相比,Hg2+抑制了果孢子附着却促进了四分孢子的附着,但0.0025 mg/L浓度与对照组的差异不显著(P>0.05),各浓度间差异显著(P<0.05);Hg2+在实验浓度范围内(0.0025、0.0050、0.0075、0.0100 mg/L)影响了孢子的正常萌发,使孢子不能正常分裂和生长,刺激了孢子脱落,并且使盘状体的形态发生变异;`Hg2+不同浓度之间也存在显著差异(P<0.05),并且Hg2+浓度越高对孢子的萌发和生长影响越大。
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| 关 键 词： | 细基江蓠 果孢子 四分孢子 萌发 生长 汞离子 |
| 文章编号： | 1007-7995(2006)03-0036-05 |
| 修稿时间： | 2005年11月21 |
Effect of Hg Ion on Spore Germination and Growth of Gracilaria tenuistipitata |
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| ZHOU Yin-huan,TANG Yue-di,HUAI Yong-li,HUANG Hai-li,ZHAO Su-fen.Effect of Hg Ion on Spore Germination and Growth of Gracilaria tenuistipitata[J].Journal of Zhanjiang Ocean University,2006,26(3):36-40. |
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| Authors: | ZHOU Yin-huan TANG Yue-di HUAI Yong-li HUANG Hai-li ZHAO Su-fen |
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| Abstract: | The effect of four concentrations of Hg~(2+) on attachment,germination and growth of carpospore and tetraspore of Gracilaria tenuistipitata C.F.Chang et B.M.Xia was studied.The results showed:compared with control groups,Hg~(2+) restrained attachment of carpospore while promoted attachment of tetraspore;But discrepancy was insignificant between 0.0025 mg/L groups and control groups(P>0.05)while that between different Hg~(2+)concentrations were significant(P<0.05);Four concentrations of Hg~(2+)affected germination and restrained division and growth of spore,and Hg~(2+) stimulated spore fallout,then shape of plate spore was irregular;The effect of different concentrations of Hg~(2+) on spore had discrepancy(P<0.05).The higher concentrations of Hg~(2+)were,the more significant effect of Hg~(2+) on spore germination and growth would become. |
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| Keywords: | Gracilaria tenuistipitata C F Chang et B M Xia carpospore tetraspore germination growth Hg~(2+) |
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