Effects of Sediments Nutrition Status on the Growth of Potamogeton crispus

Abstract:

A laboratory incubation experiment was performed to study the effects of three trophic level sediments with different nutrition status on the growth including physiological characteristics of Potamogeton crispus by embedding and suspension cultivation ways. The results showed: The high trophic level (HC) sediment was favorable for the early growth and the photosynthesis of Potamogeton crispus but unfavorable for the growth of roots. During the experiment, the POD activity rapidly increased to a maximum value under highly nutritious substrate in embedding groups. Later in the experiment, the content of soluble protein and chlorophyll decreased in the embedding group with HC sediments. To some extent, the normal growth of Potamogeton crispus was inhibited, while there wasn’t an apparente phenomenon that the decline of Potamogeton crispus.

• Periodical: Applied Mechanics and Materials (Volumes 316-317)
• Pages: 469-474
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.316-317.469
• Online since: April 2013
• Authors: Lian Pei Zou, Rui Ru Sun, Jian Yong Liu, Fang Chen, Yao Dong Huo, Zhi Ming Wu
• Keywords: Embedding Culture, Inhibition, Potamogeton crispus , Sediment, Suspension Culture

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