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Research Journal of Environmental Sciences
Year: 2011  |  Volume: 5  |  Issue: 1  |  Page No.: 82 - 87

Phytotoxic Effect of Selenium on the Accessions of Wheat and Safflower

N. Madaan and V. Mudgal    

Abstract: Selenium (Se) is a metalloid and now becomes dietary important for human. The genotoxic potentiality and genetics of tolerance for this heavy metal is more or less lacking. The present communication deals with the cytological response of wheat (Tritium aestivum) and safflower (Carthamus tinctorius) to Se treatment. The 10-3 M concentration of SeO2 and 10-4 M concentration of SeO2 was used as a source of Se for treating wheat and safflower respectively. Control experiments were also conducted using Hoagland’s solution and normal mitotic pattern was observed. Tritium aestivum had 2n = 42 and C. tinctorius had 2n = 24. The accessions exhibited differential cytological response to Se. Although, this heavy metal was mito-toxic to both wheat and safflower but genotoxicity was more pronounced in the accessions of wheat. In response to the Se treatment, both wheat and safflower were displaying more or less similar types of mitotic anomalies. Presented data will help to understand tolerance and effects of Se in plants.

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