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dc.contributor.authorArunothai Jampeetongen_US
dc.contributor.authorHans Brixen_US
dc.contributor.authorSuwasa Kantawanichkulen_US
dc.date.accessioned2018-09-04T06:06:27Z-
dc.date.available2018-09-04T06:06:27Z-
dc.date.issued2012-05-01en_US
dc.identifier.issn10902414en_US
dc.identifier.issn01476513en_US
dc.identifier.other2-s2.0-84858278351en_US
dc.identifier.other10.1016/j.ecoenv.2011.12.003en_US
dc.identifier.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84858278351&origin=inwarden_US
dc.identifier.urihttp://cmuir.cmu.ac.th/jspui/handle/6653943832/51691-
dc.description.abstractGrowth, morphology, NH4+uptake and mineral allocation in Salvinia cucullata Roxb. ex Bory grown with different amounts of NH4+were investigated. Plants of uniform size were grown on full strength Smart and Barko medium with different NH4+concentrations (0.5, 1, 5, 10 and 15mM) and incubated in a greenhouse for four weeks. Salvinia cucullata grew well in the medium with 0.5-1mM NH4+with a relative growth rate of 0.11-0.12d-1without exhibiting NH4+toxicity symptoms. With an NH4+concentration above 5mM, plant growth was suppressed and signs of NH4+toxicity were observed. NH4+toxicity symptoms were obvious in plants supplied with 10mM and 15mM NH4+. These plants had low growth rates, short roots, low numbers of roots and showed chlorosis. Rotted roots and stems were also found in plants fed with 15mM NH4+. This species had a high uptake rate even though the NH4+concentrations increased, making it an ideal candidate for growth in eutrophic environments. The high NH4+concentration had a negative effect on K uptake resulting in low K concentration in the plant tissue, but the plants increased N content in plant tissue. Thus, harvested plants can be used as soil fertilizer or for animal feed. Furthermore, maintaining plant biomass can improve the efficiency of water treatment. © 2011 Elsevier Inc.en_US
dc.subjectEnvironmental Scienceen_US
dc.subjectMedicineen_US
dc.titleResponse of Salvinia cucullata to high NH<inf>4</inf><sup>+</sup>concentrations at laboratory scalesen_US
dc.typeJournalen_US
article.title.sourcetitleEcotoxicology and Environmental Safetyen_US
article.volume79en_US
article.stream.affiliationsChiang Mai Universityen_US
article.stream.affiliationsAarhus Universiteten_US
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