Volume : IV, Issue : III, March - 2014

Acute Toxicity of Nickel on Ipomoea aquatica Forsk

Haobam Khumanleima Chanu

Abstract :

Ipomoea aquatica  plants were exposed to different concentrations of Ni (0.22, 2.23, 4.02, 7.14, 12.51 and 22.33 mg l–1) for 15 days. Significantly less increase in shoot height and number of new nodes and leaves produced, were observed at 12.51 and 22.33 mg l–1 of Ni from day 6 of the exposure when compared to those in the control. Appearance of necrosis leading to stem disintegration was also observed at the higher concentrations of 12.51 and22.33 mg l–1, resulting in the reduction of shoot height and number of new nodes in these exposure groups. Necrosis was observed to eventually lead to the death of the plants.

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Article: Download PDF   DOI : 10.36106/ijar  

Cite This Article:

Haobam Khumanleima Chanu Acute Toxicity of Nickel on Ipomoea aquatica Forsk. Indian Journal of Applied Research, Vol.IV, Issue. III

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