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Ecophysiological and biochemical changes in Abelmoschus esculentus (L.) Moench under chromium stress

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Unnikannan P., Vedhanarayanan P., Sundaramoorthy P.

International Letters of Natural Sciences

2014

tom 02

Increasing concentrations of chromium caused reduction in growth, chlorophyll contents and mineral mutrients of bhendhi. At increasing concentrations of chromium, all the attributes were found to be reduced. Chromium is one of the toxic elements discharging from tannery industry. The long disposal of tannery effluent to the agricultural land causes serious damages in the soil texture; reduce the growth of microorganisms and agricultural crops. Large areas of Vellore district of Tamilnadu was seriously affected by the tannery effluent irrigation to the agricultural land. The present study was conducted to identify the phytotoxic effect and physiological changes of Abelmoschus esculentus (L.) Moench under the treatment of different concentrations of chromium solutions (2.5, 5, 10, 25, 50, 75 and 100 mg/l). The result shows that there was a gradual reduction in the morphological parameters (root length, shoot length, fresh weight and dry weight). Similarly the photosynthetic pigments (Chlorophyll and carotenoid) and biochemical parameters such as protein, amino acid, and sugars were also gradually decreased with increasing concentrations of chromium.

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1 International Letters of Natural Sciences

1 Sundaramoorthy P.

1 Unnikannan P.

1 Vedhanarayanan P.

1 2014

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Ecophysiological and biochemical changes in Abelmoschus esculentus (L.) Moench under chromium stress