Arsenic Accumulation in Rice (Oryza sativa L.) Varieties of Bangladesh: A Glass House Study | Zendy

M. Azizur Rahman | Zendy; Hiroshi Hasegawa | Zendy; M. Mahfuzur Rahman | Zendy; Md. Nazrul Islam | Zendy; M.A.M. Miah | Zendy; A. Tasmin | Zendy

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Arsenic Accumulation in Rice (Oryza sativa L.) Varieties of Bangladesh: A Glass House Study

Author(s) -

M. Azizur Rahman,

Hiroshi Hasegawa,

M. Mahfuzur Rahman,

Md. Nazrul Islam,

M.A.M. Miah,

A. Tasmin

Publication year - 2007

Publication title -

water air and soil pollution

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.557

H-Index - 111

eISSN - 1573-2932

pISSN - 0049-6979

DOI - 10.1007/s11270-007-9425-x

Subject(s) - husk , arsenic , oryza sativa , brown rice , straw , agronomy , chemistry , horticulture , biology , botany , food science , biochemistry , organic chemistry , gene

A glass house study was conducted to investigate the accumulation of arsenic in tissues of five widely cultivated rice (Oryza sativa L.) varieties of Bangladesh namely BRRI dhan 28, BRRI dhan 29, BRRI dhan 35, BRRI dhan 36, BRRI hybrid dhan 1. Arsenic concentrations were measured in straw, husk and brown and polish rice grain to see the differential accumulation of arsenic among the rice varieties. The results showed that the concentrations of arsenic in different parts of all rice varieties increased significantly (p < 0.05) with the increase of its concentrations in soil. The rice varieties did not showed significant differences in arsenic accumulation in straw, husk, brown and polish grain when the concentrations of arsenic in soil was low. However, at higher concentrations of arsenic in soil, different rice varieties showed significant differences in the accumulations of arsenic in straw, husk and grain. Significantly higher concentrations of arsenic in straw and husk of rice were observed in BRRI hybrid dhan 1 compared to those of other verities. The BRRI dhan 28 and 35 concentrated significantly higher amount of arsenic in brown and polish rice grain compared to those of other rice varieties. The results imply that arsenic translocation from root to shoot (straw) and husk was higher in hybrid variety compared to those of non-hybrid varieties. Arsenic concentrations in brown and polish rice grain of five rice varieties were found to follow the trend: BRRI dhan 28 > BRRI dhan 35 > BRRI dhan 36 > BRRI dhan 29 > BRRI hybrid dhan 1. The order of arsenic contents in tissues of rice was: straw > husk > brown rice grain > polish rice grain. © 2007 Springer Science+Business Media B.V

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