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90SR Uptake by 'Pinus ponderosa' and 'Pinus radiata' Seedlings Inoculated withEctomycorrhizal Fungi

机译：接种外生菌根真菌的'pinus ponderosa'和'pinus radiata'幼苗对90sR的吸收

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In the study, the authors inoculated P. ponderosa and P. radiata seedlings withone of five isolates of ectomycorrhizal fungi; inoculated and nonincoculated (control) seedlings were compared for their ability to remove Sr90 from an organic growth medium. Seedlings were grown for 3 months in a growth chamber in glass tubes containing 165 cu cm of sphagnum peat moss and perlite and, except in the controls, the fungal inoculum. After 3 months, 5978 Bq of Sr90 in 1 ml of sterile, distilled, deionized water was added. Seedlings were grown for an additional month and then harvested. P. ponderosa seedlings that were inoculated with ectomycorrhizal fungi accumulated 3.0-6.0% of the Sr90; bioconcentration ratios ranged from 98-162. Inoculated P. radiata seedlings accumulated 6.0-6.9% of the Sr90; bioconcentration ratios ranged from 88-133. Noninoculated P. ponderosa and P. radiata seedlings accumulated only 0.6 and 0.7% of the Sr90 and had bioconcentration ratios of 28 and 27, respectively.

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作者
Entry, J. A.; Rygiewicz, P. T.; Emmingham, W. H.;
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年度 1994
页码 1-8
总页数 8
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Strontium 90; Pine trees; Uptake; Radioecological concentration; Radionuclidemigration; Reactor accidents; Nuclear explosions; Fallout; Radioisotopes; Seedlings; Soil contamination; Bioaccumulation; Reprints;

机译：锶90;松树;摄取;放射生态浓度;放射性核素迁移;反应堆事故;核爆炸;辐射;放射性同位素;幼苗;土壤污染;生物累积;重印;

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90SR Uptake by 'Pinus ponderosa' and 'Pinus radiata' Seedlings Inoculated withEctomycorrhizal Fungi

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