Combined effect of Cr+6 and chelating agents on growth and Cr bioaccumulation in flood susceptible variety of rice Oryza sativa (L.) cv. Swarna

Purnaprava Mantry*, Hemanta Kumar Patra

Abstract


Flood susceptible variety of Rice (Swarna) were grown in both water logged & water deficit condition. The experimental seedlings were treated with Cr+6 (10mg) and Cr+6 (50mg) both in the presence & in the absence of chelating agents (EDTA-Ethylene Diamine Tetra Acetic Acid, SA-Salicylic Acid, CA-Citric Acid). The results showed that the enhancement of Cr bioavailability in plants occurs by supplementing Cr+6 with chelating agents. This clearly depicts that the role of chelating agents increases the toxic effects of Cr+6 simultaneously increasing the rate of Cr accumulation in rice seedlings.

Keywords


Cr+6; Chelating agents; Cr bioaccumulation; Flood susceptible rice.

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References


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DOI: https://doi.org/10.21746/aps.2017.02.008

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