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光照强度和温度对营养生长的巨藻雌、雄配子体光合放氧的影响
李德茂1,2, 王广策1, 李兆生3, 彭光1, 王明曙3, 曾呈奎1
1.中国科学院海洋研究所实验海洋生物学重点实验室;2.中国科学院研究生院;3.山东省青岛市崂山区海洋与渔业局
摘要:
利用氧电极法测定了光照强度和温度对巨藻(Macrocystis pyrifera)雌雄配子体光合放氧的影响。结果表明,巨藻配子体营养生长的最适光强为1 500～2 000 lx,最适温度为18～20℃。雌雄配子体最高放氧速率分别为1 699.4 nmol/(min·g)和1 497.3 nmol/(min·g)。
关键词:  巨藻雌配子体  巨藻雄配子体  氧电极  光合放氧
DOI：
分类号:
基金项目:国家自然基金资助项目(40476059, 30170499,30250003, 39890390); 中国科学院科技创新项目(KZCX2-211); 中国高技术研究发展计划资助项目(2004AA603220)
The effects of light intensity and temperature on photosynthetic oxygen evolution of the female and male gametophytes of Macrocystis pyrifera
Abstract:
The Effects of light intensity and temperature on photosynthetic oxygen evolution of the female and male gametophytes of Macrocystis pyrifera were determined by applying the Oxygen Electrode method. The optimal photosynthetic light intensity is 1 500～2 000 lx, and the optimal photosynthetic temperature is 18～20℃. The highest photosynthetic rates of female and male gametophytes are 1 699. 4 nmo l/ (min·g and 1 497. 3nmol/ (min·g) respectively.
Key words:  Female and Male Macrocystis pyrifera Gametophytes  Oxygen Electrode  photosynthetic oxygen evolution
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