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Effect of Chromium on Growth, Biochemicals and Nutrient Accumulation of Paddy (Oryza sativa L.)

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Chromium is a heavy metal; this element is considered as an environmental hazard. Toxicity effects of chromium on growth and development of plants including inhibition of germination process decrease of growth and biomass of plant. The aim of this research is to study accumulation of Chromium along with nutrients and its effect on the growth of Paddy plant (Oryza sativa L). Thus, paddy seedlings grown in petriplates lined with filter paper undergoing, different treatments of Cr (0, 2.5, 5, 10, 25, 50, 75, 100 and 200 mg/L). After one week seedlings were removed and morpho physiological parameters like root length, shoot length and dry weight of plants and Biochemicals ,accumulation of nutrients along with Cr in roots and shoots were determined. The results indicated that the concentrations more than 100 mg/L chromium cause the reduction of morphophysiology parameters in the treatment plants rather than control plant and Cr addition in the cultures caused enhancement of chromium content in roots and shoots of plant seedlings. Similarly the biochemicals and nutrient accumulation also affected by increasing concentrations of chromium. It was also noted that accumulation of chromium in the roots was much higher than the shoots of the seedlings under treatment.


International Letters of Natural Sciences (Volume 23)
M. Nagarajan and K. S. Ganesh, "Effect of Chromium on Growth, Biochemicals and Nutrient Accumulation of Paddy (Oryza sativa L.)", International Letters of Natural Sciences, Vol. 23, pp. 63-71, 2014
Online since:
Aug 2014

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