Arsenic Accumulation in Rice (Oryza sativa L.) Genotype of India
Author Affiliations
- 1Eco-Auditing Group, National Botanical Research Institute, Rana Pratap Marg, Lucknow, 226001, INDIA
- 2Baba Saheb Bhim Rao Ambedkar University, Vidhya Vihar, Rai Bareilly Road, Lucknow, 226025, INDIA
Res.J.chem.sci., Volume 4, Issue (11), Pages 45-50, November,18 (2014)
Abstract
Rice is prone to arsenic accumulation due to its cultivation in water logging condition favouring arsenic mobility. Arsenic in rice depends on its availability due to its irrigation with arsenic contaminated water. Therefore it is necessary to resolving this human health risk. Screening of rice genotypes with low arsenic accumulation is considered as the most reasonable and effective approach. The present study was done on arsenic accumulation in common rice genotypes grown in hydroponic medium. All rice seeds were germinated and grown in presence of two concentration of arsenic 50΅M and 250΅M with control. The results revealed that arsenic concentration in all the genotype increased significantly (p<0.05) with increase in arsenic treatment. According to results Ndr359 genotype accumulated highest concentration of arsenic and swarnsub1 accumulated low arsenic. All the twenty rice genotypes were ranked with respect to their As tolerance index: Ndr3>Sarj>Swarn>Brh5>Laxm>Hkr4>Bg90>Jkrh>Pr11>Nk33>Mtu7>Suru>Ndr8>Pant>Sarb>Ndr9>Bpt5> Tcs5>Nare>Pb01. The results revealed that LARG is the most appropriate to grow in arsenic contaminated region of India.
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