Effects of temperature and irradiance on early development of Chondrus ocellatus Holm (Gigartinaceae, Rhodophyta)

Xiao Li; Peng Zhao; Gaoge Wang; Dapeng Li; Jicheng Wang; Delin Duan

doi:10.1007/s00343-010-9043-0

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Effects of temperature and irradiance on early development of Chondrus ocellatus Holm (Gigartinaceae, Rhodophyta)

Updated：2023-05-16

- Effects of temperature and irradiance on early development of Chondrus ocellatus Holm (Gigartinaceae, Rhodophyta)
- Journal of Oceanology and Limnology Vol. 28, Issue 3, Pages: 508-513(2010)
- Affiliations：
  
  1. Institute of Oceanology Chinese Academy of Sciences
  2. Graduate School of Chinese Academy of Sciences
  3. Ocean University of China
- Author bio：
- Funds：
- DOI：10.1007/s00343-010-9043-0
  CLC：
- Online First：20 May 2010，
  
  Published：2010
- Accepted：
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Li, X., Zhao, P., Wang, G. et al. Effects of temperature and irradiance on early development of Chondrus ocellatus Holm (Gigartinaceae, Rhodophyta)., Chin. J. Ocean. Limnol. 28, 508–513 (2010). https://doi.org/10.1007/s00343-010-9043-0
DOI：

Li, X., Zhao, P., Wang, G. et al. Effects of temperature and irradiance on early development of Chondrus ocellatus Holm (Gigartinaceae, Rhodophyta)., Chin. J. Ocean. Limnol. 28, 508–513 (2010). https://doi.org/10.1007/s00343-010-9043-0 DOI：

摘要

Abstract

Chondrus is a type of commercially produced red seaweed that widely used for food and carrageen extraction. Although the natural life history of the alga had been well understood

the factors influencing development of the tetraspore and carpospore remain poorly understood. In the perspective of seedling resources

the regulation of early development is crucial for the seedling nursing; therefore

it is necessary to understand the physiological influences during its early development. In this study

we studied the effects of temperature and irradiance on the early development of Chondrus ocellatus Holm under laboratory conditions. The released tetraspores and carpospores were cultivated at different temperatures (10–28°C) and irradiances (10

60 μmol photons m−2s−1) with a photoperiod of 12L:12D. The results indicate that both tetraspores and carpospores are tolerant to temperatures of 10–25°C

and have the highest relative growth rate at 20°C. Irradiance variances influenced the growth of the discoid crusts

and the influence was more significant with increasing temperature; 60 μmol photons m−2s−1 was more suitable than 10 μmol photons m−2s−1. The optimum temperature and irradiance for the development of seedlings was 20°C and 60 μmol photons m−2s−1

respectively.

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references

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