Effects of Irradiance and Temperature on the Photosynthesis and Vegetative Propagation of Caulerpa serrulata

Demao Li; Guangce Wang; Limei Chen; Fang Lü; Zonggen Shen

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Effects of Irradiance and Temperature on the Photosynthesis and Vegetative Propagation of Caulerpa serrulata

机译：光照和温度对西葫芦光合作用和营养繁殖的影响

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机译：The photosynthetic oxygen evolution of Caulerpa serrulata was determined with oxygen electrodes. The effects of light and temperature on the growth and regeneration of fragmented C. serrulata thalli were analyzed. The regenerating rate and establishment of different sizes and portions of C. serrulata were studied. The results showed that the light saturation point of C. serrulata was 200 μmol photons/m2 per s and the optimum growth temperature was 25-30℃. Under these conditions, the maximum photosynthetic oxygen evolution rate was 15.1:±0.29 mg O2/mg Chl a/h, the growth rate and elongation rate reached the highest values, 4.67±0.09 mg FW/d and 0.78±0.01 mm/d, respectively. The fragmented C. serrulata thalli was regenerated at 20-35℃ and survived at 15℃ and 200 μmnol photons/m2 per s. A different survival rate was detected according to fragment size. All of these results indicated that C. serrulata was a candidate to become an invasive species if introduced into a new place. Therefore, we should pay more attention to C. serrulata for its potential threat to marine ecosystem when it is sold for aquarium use.

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《植物学报（英文版）》 |2009年第2期|147-154|共8页
作者
Demao Li; Guangce Wang; Limei Chen; Fang Lü; Zonggen Shen;
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作者单位

Key Laboratory of Experimental Marine Biology Institute of Oceanology the Chinese Academy of Sciences Qingdao 266071 China;

Department of Food Science Institute of Agriculture Liaocheng University Liaocheng 252059 China;

Graduate School the Chinese Academy of Sciences Beijing 100039 China;

College of Marine Science and Engineering Tianjin University of Science and Technology Tianjin 300457 China;

College of Biology and Food Science Changshu Institue of Technology Changshu 215500 China;

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收录信息中国科学引文数据库(CSCD);中国科技论文与引文数据库(CSTPCD);
原文格式 PDF
正文语种 chi
中图分类植物学;
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入库时间 2024-01-27 02:34:25

Effects of Irradiance and Temperature on the Photosynthesis and Vegetative Propagation of Caulerpa serrulata

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