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European Journal of Environmental Ecology

Volume 10, Issue 1, 2023
Mcmed International
European Journal of Environmental Ecology
Issn
XXX-XXXX (Print), 2393 - 9672 (Online)
Frequency
bi-annual
Email
editorejee@mcmed.us
Journal Home page
http://mcmed.us/about/ejee
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Abstract
Title
GROWTH INHIBITORY EFFECT OF POTASSIUM DICHROMATE ON PSEUDOKIRCHNERIELLA SUBCAPITATA (KORSHIKOV) HINDAK
Author
Venkatesan Sudha, Kathirvelu Baskar* and Chidambaram Tamilselvan
Email
brfchennai@gmail.com
keyword
Potassium dichromate, Growth inhibition, Alga
Abstract
In the present study, Potassium dichromate was evaluated against Pseudokirchneriella subcapitata (average specific growth rate, growth rate inhibition and yield reduction) at different concentrations. The average specific growth rate of control was 1.90, 1.93 and 0.60 for 1st, 2nd and 3rd day respectively. At 4 mg/l of Potassium dichromate exhibited average specific growth rate of 0.12, -0.07 and -0.06 for 1st, 2nd and 3rd day respectively. Growth rate inhibition and yield reduction of 101.67% and 98.90% respectively were recorded in 4 mg/l concentration of potassium dichromate. An increased concentration from 1, 2, 3 and 4 mg/l, growth rate was drastically decreased.
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