Content and Migration of Heavy Metals in <i>Dictyophora rubrovalvata</i> and Soil

LI Lang; SUN Yan; LIU Ni; WANG Yu-zhu; PAN Gao-chao; ZOU Fang-lun

doi:10.19303/j.issn.1008-0384.2021.07.013

Volume 36 Issue 7

Jul. 2021

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Article Navigation > Fujian Journal of Agricultural Sciences > 2021 > 36(7): 836-842

LI L, SUN Y, LIU N, et al. Content and Migration of Heavy Metals in Dictyophora rubrovalvata and Soil [J]. Fujian Journal of Agricultural Sciences，2021，36（7）：836−842 doi: 10.19303/j.issn.1008-0384.2021.07.013

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LI L, SUN Y, LIU N, et al. Content and Migration of Heavy Metals in Dictyophora rubrovalvata and Soil [J]. Fujian Journal of Agricultural Sciences，2021，36（7）：836−842 doi: 10.19303/j.issn.1008-0384.2021.07.013

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Content and Migration of Heavy Metals in Dictyophora rubrovalvata and Soil

doi: 10.19303/j.issn.1008-0384.2021.07.013

1.
Institute of Mountainous Resources, Guizhou Academy of Sciences, Guiyang, Guizhou　550001, China
2.
Institute of Biology, Guizhou Academy of Sciences, Guiyang, Guizhou　550009, China

Received Date: 2021-04-01
Rev Recd Date: 2021-06-18
Publish Date: 2021-07-28

Abstract

Abstract

Objective Relationship between heavy metal contents in Dictyophora rubrovalvata and the soil the mushrooms were cultivated on was analyzed to understand the migratory pattern and pollution control. Method Contents of Cd, Pb, Hg, As, and Cr in stipe+skirt, receptacle, and cap of D. rubrovalvata as well as the overlying soil on the cultivation bed were analyzed to decipher the correlation between them. Result Contents of the heavy metals in D. rubrovalvata ranked Cd＞Cr＞As＞Pb＞Hg with a coefficient of variation ranging from 15.38% to 65.66%, while that in the soil Cr＞Pb＞As＞Cd＞Hg. Among the 5 heavy metals, only Cd in soil exceeded the safety standard. The enrichment coefficients of Cd in the 3 parts of D. rubrovalvata surpassed 1.5, while that of As less than 0.5 and those of Pb, Hg, and Cr below 0.1. A significant Pearson correlation was found between Pb and Cr at P＜0.01 (bilateral), but not among other heavy metals.The correlation between heavy metal elements in D. rubrovalvata and heavy metal elements in soil was statistically analyzed,the results showed that the other four elements had negative correlation except Hg. Conclusion The tested D. rubrovalvata was heavily contaminated with Cd, clean on Hg, and relatively clean on Pb or As. The Nemerow indexing put all parts of the D. rubrovalvata seriously contaminated by heavy metals. There were significant differences in the enrichment ability of different heavy metal elements. Except for the relative enrichment of Cd, the other four elements were relatively depleted. According to Pearson correlation analysis, there is a synergistic effect between Pb and Cr, and the correlation between other heavy metals is not obvious.
- Dictyophora rubrovalvata,
- heavy metal,
- content,
- pollution assessment,
- transfer capacity

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References(25)

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