Growth and 137Cs uptake of four Brassica species influenced by inoculation with a plant growth-promoting rhizobacterium Bacillus pumilus in three contaminated farmlands in Fukushima prefecture, Japan

被引：29

作者：

Aung, Han Phyo ^{[1
]}

Djedidi, Salem ^{[3
]}

Oo, Aung Zaw ^{[3
]}

Aye, Yi Swe ^{[2
]}

Yokoyama, Tadashi ^{[3
]}

Suzuki, Sohzoh ^{[3
]}

Sekimoto, Hitoshi ^{[4
]}

Bellingrath-Kimura, Sonoko Dorothea ^{[3
]}

机构：

[1] Tokyo Univ Agr & Technol, United Grad Sch Agr Sci, Fuchu, Tokyo 1838509, Japan

[2] Tokyo Univ Agr & Technol, Grad Sch Agr, Dept Int Environm & Agr Sci, Fuchu, Tokyo 1838509, Japan

[3] Tokyo Univ Agr & Technol, Inst Agr, Fuchu, Tokyo 1838509, Japan

[4] Utsunomiya Univ, Fac Agr, Utsunomiya, Tochigi 3218505, Japan

来源：

SCIENCE OF THE TOTAL ENVIRONMENT | 2015年 / 521卷

基金：

日本学术振兴会;

关键词：

Radiocesium; Bacillus pumilus; Brassica species; Transfer factor; Fukushima; SOIL-MICROORGANISMS; ORGANIC-MATTER; CESIUM UPTAKE; RADIOCESIUM; CS; BIOAVAILABILITY; RADIONUCLIDES; ACCUMULATION; ADSORPTION; RETENTION;

D O I：

10.1016/j.scitotenv.2015.03.109

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The effectiveness of the plant growth-promoting rhizobacterium Bacillus pumilus regarding growth promotion and radiocesium (Cs-137) uptake was evaluated in four Brassica species grown on different Cs-137 contaminated farmlands at Fukushima prefecture in Japan from June to August 2012. B. pumilus inoculation did not enhance growth in any of the plants, although it resulted in a significant increase of Cs-137 concentration and higher Cs-137 transfer from the soil to plants. The Brassica species exhibited different Cs-137 uptake abilities in the order Komatsuna > turnip > mustard > radish. TF values of Cs-137 ranged from 0.018 to 0.069 for all vegetables. Komatsuna possessed the largest root surface area and root volume, and showed a higher Cs-137 concentration in plant tissue and higher Cs-137 TF values (0.060) than the other vegetables. Higher Cs-137 transfer to plants was prominent in soil with a high amount of organic matter and an Al-vermiculite clay mineral type. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：261 / 269

页数：9

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