Rice Crop Growth and Rhizospheric Microbial Dynamics in Heavy Metals Contaminated Inceptisol: Fid-Bau Portal

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Rice Crop Growth and Rhizospheric Microbial Dynamics in Heavy Metals Contaminated Inceptisol

Shrivastava, Manoj / Mina, Usha / Thaplial, S. / Srivastava, A. / Khuant, M. / Singh, S. D.

Abstract A glasshouse pot culture study was carried out with the aim to assess the potential toxic effects of heavy metals (Cr, Ni, Cd, Hg, and Pb) on two rice varieties (Pusa 44 and PB1509). Heavy metals get accumulated in different parts of rice plant (Oryza sativa L.) including the grains. The highest concentration of heavy metals in this study was in the roots observed rather than shoots and grains in both the rice varieties. Soil-to-grain transfer factor for non basmati rice for Ni, Pb, Cd, Cr, and Hg was 0.070, 0.028, 0.079, 0.0058, and 0.0049, respectively, and for basmati rice for Ni, Pb, Cd, Cr, and Hg was 0.065, 0.023, 0.072, 0.0050, and 0.0038, respectively. Average microbial population was more in the rhizosphere of Pusa 44 as compared to PB1509 under control condition. The viable population of bacteria, fungi, and actinomycetes was adversely affected by increasing concentration of each heavy metal. Mycorrhizal colonization was low on roots of Pusa 44 and PB1509 under metal treatments as compared to control and was minimum (22–26%) under Hg treatment.

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Rice Crop Growth and Rhizospheric Microbial Dynamics in Heavy Metals Contaminated Inceptisol

Shrivastava, Manoj / Mina, Usha / Thaplial, S. / Srivastava, A. / Khuant, M. / Singh, S. D.

Abstract A glasshouse pot culture study was carried out with the aim to assess the potential toxic effects of heavy metals (Cr, Ni, Cd, Hg, and Pb) on two rice varieties (Pusa 44 and PB1509). Heavy metals get accumulated in different parts of rice plant (Oryza sativa L.) including the grains. The highest concentration of heavy metals in this study was in the roots observed rather than shoots and grains in both the rice varieties. Soil-to-grain transfer factor for non basmati rice for Ni, Pb, Cd, Cr, and Hg was 0.070, 0.028, 0.079, 0.0058, and 0.0049, respectively, and for basmati rice for Ni, Pb, Cd, Cr, and Hg was 0.065, 0.023, 0.072, 0.0050, and 0.0038, respectively. Average microbial population was more in the rhizosphere of Pusa 44 as compared to PB1509 under control condition. The viable population of bacteria, fungi, and actinomycetes was adversely affected by increasing concentration of each heavy metal. Mycorrhizal colonization was low on roots of Pusa 44 and PB1509 under metal treatments as compared to control and was minimum (22–26%) under Hg treatment.

Rice Crop Growth and Rhizospheric Microbial Dynamics in Heavy Metals Contaminated Inceptisol

Shrivastava, Manoj / Mina, Usha / Thaplial, S. / Srivastava, A. / Khuant, M. / Singh, S. D.

Abstract A glasshouse pot culture study was carried out with the aim to assess the potential toxic effects of heavy metals (Cr, Ni, Cd, Hg, and Pb) on two rice varieties (Pusa 44 and PB1509). Heavy metals get accumulated in different parts of rice plant (Oryza sativa L.) including the grains. The highest concentration of heavy metals in this study was in the roots observed rather than shoots and grains in both the rice varieties. Soil-to-grain transfer factor for non basmati rice for Ni, Pb, Cd, Cr, and Hg was 0.070, 0.028, 0.079, 0.0058, and 0.0049, respectively, and for basmati rice for Ni, Pb, Cd, Cr, and Hg was 0.065, 0.023, 0.072, 0.0050, and 0.0038, respectively. Average microbial population was more in the rhizosphere of Pusa 44 as compared to PB1509 under control condition. The viable population of bacteria, fungi, and actinomycetes was adversely affected by increasing concentration of each heavy metal. Mycorrhizal colonization was low on roots of Pusa 44 and PB1509 under metal treatments as compared to control and was minimum (22–26%) under Hg treatment.

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Title:

Rice Crop Growth and Rhizospheric Microbial Dynamics in Heavy Metals Contaminated Inceptisol

Contributors:

Shrivastava, Manoj (author) / Mina, Usha (author) / Thaplial, S. (author) / Srivastava, A. (author) / Khuant, M. (author) / Singh, S. D. (author)

Published in:

Water Quality Management ; 281-297

Water Science and Technology Library ; 79

Publication date:

2018-01-01

Size:

17 pages

ISBN:

978-981-10-5795-3 , 978-981-10-5794-6

ISSN:

1872-4663 , 0921-092X

DOI:

https://doi.org/10.1007/978-981-10-5795-3_24

Type of media:

Article/Chapter (Book)

Type of material:

Electronic Resource

Language:

English

Keywords:

Environment , Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution , Water Quality/Water Pollution , Water and Health

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