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Vegetos

Journal: Vegetos- An International Journal of Plant Research

Article DOI :10.5958/2229-4473.2015.00040.3
Year :2015, Volume : 28, Issue :2
First page : (72) Last page : (71)
Print ISSN : 0970-4078. Online ISSN : 2229-4473.


RESEARCH ARTICLE
A SOCIETY FOR PLANT RESEARCH PUBLICATION

Study on the Ammonia Tolerance Threshold of Ottelia acuminata (Gagnep.) Dandy Seedling

Shu-Qin Chen1,2, Zhao-Sheng Chu1,*

1Research Academic of Environment and Science, Beijing, China, 100083
2School of Resources and Environment, Anqing Normal College, Anhui, China, 246011

*Corresponding author E-mail: chuzhs@126.com

As a typical representative plant of Erhai Lake in Yunnan Province, Ottelia acuminata (Gagnep.) Dandy has an important ecological status. Erhai Lakeside has characteristics of a low-polluted water that contains major polluted sources, such as ammonia. A simulated experi-ment based on these characteristics was per-formed in 2013 to determine the ammonia toler-ance threshold of macrophyte seedlings through the analysis of antioxidase system indices and malondialdehyde. The tolerance threshold of the seedlings was given as the symbol Nmtor. The re-sults showed that in a blank substrate simulated experiment, the ammonia tolerance threshold of the seedling is 0.5


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