Phytoextraction of cobalt (Co)-contaminated soils by sweet alyssum (Lobularia maritima (L.) Desv.) is enhanced by biodegradable chelating agents
Purpose Combining biodegradable chelating agents with phytoextraction is an efficient technique to amend metal-contaminated soils, but most studies have addressed remediation efficiency rather than a comprehensive understanding of the interactions among plant stress, metal accumulation, and metal bi...
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| Veröffentlicht in: | Journal of soils and sediments 2020-04, Vol.20 (4), p.1931-1942 |
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| creator | Chen, Li Zeng, Chao Wang, Dan Yang, Jin-yan |
| description | Purpose
Combining biodegradable chelating agents with phytoextraction is an efficient technique to amend metal-contaminated soils, but most studies have addressed remediation efficiency rather than a comprehensive understanding of the interactions among plant stress, metal accumulation, and metal bioavailability. This study aimed to investigate the effects of biodegradable chelating agents on improving the efficiency of phytoextraction for cobalt (Co)-contaminated soil by sweet alyssum (
Lobularia maritima
(L.)) and to explore the interrelationships among plant stress, Co accumulation, and Co bioavailability.
Materials and methods
Sweet alyssum (three plants per pot) was grown in pots containing soil with Co added at 0, 40, and 60 mg kg
−1
, respectively. After 70 days of growth, we added four biodegradable chelating agents (EDDS, NTA, CA, and OA) at various concentrations (0, 2.5, 5.0, and 7.5 mmol kg
−1
). The plants were harvested after 7 days, and the biomass, reactive oxygen species (ROS) parameters, Co concentrations of the shoot and root, and available Co content in the soil were analyzed.
Results and discussion
The results demonstrate that chelating agents significantly (
p
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| doi_str_mv | 10.1007/s11368-020-02592-5 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_journals_2379349590</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2379349590</sourcerecordid><originalsourceid>FETCH-LOGICAL-c319t-17c2404db263cfb899af7e4c5602d02e7fd50639986ed1f3c201a85aed6fb32e3</originalsourceid><addsrcrecordid>eNp9ULtOAzEQPCGQgMAPUFmigeJgbd_LJQpPKRIUUFt7vr3k0MUG2wHyF3wyhiDRUexDuzOz2smyIw5nHKA-D5zLqslBQIpSibzcyvZ4xYu8LhrYTn0hVQ4cmt1sP4RnAFmn9V72-bBYR0cf0aOJg7PM9cy4FsfITqbuNDfORlwOFiN1LLhhDKxds_BOFBmO6xBWS3Yyc-1qRD8gW6YchyWm2dkpu6TwlsoQGNkFWpMkErkdXEdzjx22IzGzoBHjYOcM52RjOMh2ehwDHf7WSfZ0ffU4vc1n9zd304tZbiRXMee1EQUUXSsqafq2UQr7mgpTViA6EFT3XQmVVKqpqOO9NAI4NiVSV_WtFCQn2fFG98W71xWFqJ_dytt0UgtZK1moUkFCiQ3KeBeCp16_-PSeX2sO-tt5vXFeJ-f1j_O6TCS5IYUEtnPyf9L_sL4AXseHnQ</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2379349590</pqid></control><display><type>article</type><title>Phytoextraction of cobalt (Co)-contaminated soils by sweet alyssum (Lobularia maritima (L.) Desv.) is enhanced by biodegradable chelating agents</title><source>SpringerLink (Online service)</source><creator>Chen, Li ; Zeng, Chao ; Wang, Dan ; Yang, Jin-yan</creator><creatorcontrib>Chen, Li ; Zeng, Chao ; Wang, Dan ; Yang, Jin-yan</creatorcontrib><description>Purpose
Combining biodegradable chelating agents with phytoextraction is an efficient technique to amend metal-contaminated soils, but most studies have addressed remediation efficiency rather than a comprehensive understanding of the interactions among plant stress, metal accumulation, and metal bioavailability. This study aimed to investigate the effects of biodegradable chelating agents on improving the efficiency of phytoextraction for cobalt (Co)-contaminated soil by sweet alyssum (
Lobularia maritima
(L.)) and to explore the interrelationships among plant stress, Co accumulation, and Co bioavailability.
Materials and methods
Sweet alyssum (three plants per pot) was grown in pots containing soil with Co added at 0, 40, and 60 mg kg
−1
, respectively. After 70 days of growth, we added four biodegradable chelating agents (EDDS, NTA, CA, and OA) at various concentrations (0, 2.5, 5.0, and 7.5 mmol kg
−1
). The plants were harvested after 7 days, and the biomass, reactive oxygen species (ROS) parameters, Co concentrations of the shoot and root, and available Co content in the soil were analyzed.
Results and discussion
The results demonstrate that chelating agents significantly (
p
< 0.05) improved the phytoextraction capability of sweet alyssum and influenced plant growth and stress. The capability of EDDS to activate Co was higher than that of other chelating agents at identical concentrations in Co-contaminated soils. Furthermore, we observed that a moderate concentration (40 mg kg
−1
) of Co could promote plant growth and that high concentrations of Co (60 mg kg
−1
) and EDDS (7.5 mmol kg
−1
) cause enhanced stress to plant growth, even resulting in lower shoot Co accumulation than that in the moderate EDDS treatment (5.0 mmol kg
−1
).
Conclusions
The present study demonstrates that the application of EDDS may be a better choice for Co phytoextraction than NTA, CA, and OA; nevertheless, a high concentration of EDDS may enhance the negative effects on plant growth, physiological traits, and Co accumulation.</description><identifier>ISSN: 1439-0108</identifier><identifier>EISSN: 1614-7480</identifier><identifier>DOI: 10.1007/s11368-020-02592-5</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Accumulation ; Bioavailability ; Biodegradability ; Biodegradation ; Chelates ; Chelating agents ; Chelation ; Cobalt ; Earth and Environmental Science ; Environment ; Environmental Physics ; Heavy metals ; Lobularia maritima ; Physiological effects ; Plant growth ; Plant stress ; Reactive oxygen species ; Sec 1 • Soil Organic Matter Dynamics and Nutrient Cycling • Research Article ; Soil ; Soil analysis ; Soil contamination ; Soil pollution ; Soil remediation ; Soil Science & Conservation ; Soils</subject><ispartof>Journal of soils and sediments, 2020-04, Vol.20 (4), p.1931-1942</ispartof><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2020</rights><rights>Journal of Soils and Sediments is a copyright of Springer, (2020). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c319t-17c2404db263cfb899af7e4c5602d02e7fd50639986ed1f3c201a85aed6fb32e3</citedby><cites>FETCH-LOGICAL-c319t-17c2404db263cfb899af7e4c5602d02e7fd50639986ed1f3c201a85aed6fb32e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11368-020-02592-5$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11368-020-02592-5$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Chen, Li</creatorcontrib><creatorcontrib>Zeng, Chao</creatorcontrib><creatorcontrib>Wang, Dan</creatorcontrib><creatorcontrib>Yang, Jin-yan</creatorcontrib><title>Phytoextraction of cobalt (Co)-contaminated soils by sweet alyssum (Lobularia maritima (L.) Desv.) is enhanced by biodegradable chelating agents</title><title>Journal of soils and sediments</title><addtitle>J Soils Sediments</addtitle><description>Purpose
Combining biodegradable chelating agents with phytoextraction is an efficient technique to amend metal-contaminated soils, but most studies have addressed remediation efficiency rather than a comprehensive understanding of the interactions among plant stress, metal accumulation, and metal bioavailability. This study aimed to investigate the effects of biodegradable chelating agents on improving the efficiency of phytoextraction for cobalt (Co)-contaminated soil by sweet alyssum (
Lobularia maritima
(L.)) and to explore the interrelationships among plant stress, Co accumulation, and Co bioavailability.
Materials and methods
Sweet alyssum (three plants per pot) was grown in pots containing soil with Co added at 0, 40, and 60 mg kg
−1
, respectively. After 70 days of growth, we added four biodegradable chelating agents (EDDS, NTA, CA, and OA) at various concentrations (0, 2.5, 5.0, and 7.5 mmol kg
−1
). The plants were harvested after 7 days, and the biomass, reactive oxygen species (ROS) parameters, Co concentrations of the shoot and root, and available Co content in the soil were analyzed.
Results and discussion
The results demonstrate that chelating agents significantly (
p
< 0.05) improved the phytoextraction capability of sweet alyssum and influenced plant growth and stress. The capability of EDDS to activate Co was higher than that of other chelating agents at identical concentrations in Co-contaminated soils. Furthermore, we observed that a moderate concentration (40 mg kg
−1
) of Co could promote plant growth and that high concentrations of Co (60 mg kg
−1
) and EDDS (7.5 mmol kg
−1
) cause enhanced stress to plant growth, even resulting in lower shoot Co accumulation than that in the moderate EDDS treatment (5.0 mmol kg
−1
).
Conclusions
The present study demonstrates that the application of EDDS may be a better choice for Co phytoextraction than NTA, CA, and OA; nevertheless, a high concentration of EDDS may enhance the negative effects on plant growth, physiological traits, and Co accumulation.</description><subject>Accumulation</subject><subject>Bioavailability</subject><subject>Biodegradability</subject><subject>Biodegradation</subject><subject>Chelates</subject><subject>Chelating agents</subject><subject>Chelation</subject><subject>Cobalt</subject><subject>Earth and Environmental Science</subject><subject>Environment</subject><subject>Environmental Physics</subject><subject>Heavy metals</subject><subject>Lobularia maritima</subject><subject>Physiological effects</subject><subject>Plant growth</subject><subject>Plant stress</subject><subject>Reactive oxygen species</subject><subject>Sec 1 • Soil Organic Matter Dynamics and Nutrient Cycling • Research Article</subject><subject>Soil</subject><subject>Soil analysis</subject><subject>Soil contamination</subject><subject>Soil pollution</subject><subject>Soil remediation</subject><subject>Soil Science & Conservation</subject><subject>Soils</subject><issn>1439-0108</issn><issn>1614-7480</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp9ULtOAzEQPCGQgMAPUFmigeJgbd_LJQpPKRIUUFt7vr3k0MUG2wHyF3wyhiDRUexDuzOz2smyIw5nHKA-D5zLqslBQIpSibzcyvZ4xYu8LhrYTn0hVQ4cmt1sP4RnAFmn9V72-bBYR0cf0aOJg7PM9cy4FsfITqbuNDfORlwOFiN1LLhhDKxds_BOFBmO6xBWS3Yyc-1qRD8gW6YchyWm2dkpu6TwlsoQGNkFWpMkErkdXEdzjx22IzGzoBHjYOcM52RjOMh2ehwDHf7WSfZ0ffU4vc1n9zd304tZbiRXMee1EQUUXSsqafq2UQr7mgpTViA6EFT3XQmVVKqpqOO9NAI4NiVSV_WtFCQn2fFG98W71xWFqJ_dytt0UgtZK1moUkFCiQ3KeBeCp16_-PSeX2sO-tt5vXFeJ-f1j_O6TCS5IYUEtnPyf9L_sL4AXseHnQ</recordid><startdate>20200401</startdate><enddate>20200401</enddate><creator>Chen, Li</creator><creator>Zeng, Chao</creator><creator>Wang, Dan</creator><creator>Yang, Jin-yan</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7ST</scope><scope>7UA</scope><scope>7X2</scope><scope>7XB</scope><scope>88I</scope><scope>8FE</scope><scope>8FH</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>GNUQQ</scope><scope>H96</scope><scope>H97</scope><scope>HCIFZ</scope><scope>L.G</scope><scope>M0K</scope><scope>M2P</scope><scope>PATMY</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>SOI</scope></search><sort><creationdate>20200401</creationdate><title>Phytoextraction of cobalt (Co)-contaminated soils by sweet alyssum (Lobularia maritima (L.) Desv.) is enhanced by biodegradable chelating agents</title><author>Chen, Li ; Zeng, Chao ; Wang, Dan ; Yang, Jin-yan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c319t-17c2404db263cfb899af7e4c5602d02e7fd50639986ed1f3c201a85aed6fb32e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Accumulation</topic><topic>Bioavailability</topic><topic>Biodegradability</topic><topic>Biodegradation</topic><topic>Chelates</topic><topic>Chelating agents</topic><topic>Chelation</topic><topic>Cobalt</topic><topic>Earth and Environmental Science</topic><topic>Environment</topic><topic>Environmental Physics</topic><topic>Heavy metals</topic><topic>Lobularia maritima</topic><topic>Physiological effects</topic><topic>Plant growth</topic><topic>Plant stress</topic><topic>Reactive oxygen species</topic><topic>Sec 1 • Soil Organic Matter Dynamics and Nutrient Cycling • Research Article</topic><topic>Soil</topic><topic>Soil analysis</topic><topic>Soil contamination</topic><topic>Soil pollution</topic><topic>Soil remediation</topic><topic>Soil Science & Conservation</topic><topic>Soils</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chen, Li</creatorcontrib><creatorcontrib>Zeng, Chao</creatorcontrib><creatorcontrib>Wang, Dan</creatorcontrib><creatorcontrib>Yang, Jin-yan</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Environment Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Agricultural Science Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni)</collection><collection>ProQuest Central</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>AUTh Library subscriptions: ProQuest Central</collection><collection>Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>ProQuest Central Student</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>SciTech Premium Collection</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Agriculture Science Database</collection><collection>ProQuest Science Journals</collection><collection>Environmental Science Database</collection><collection>Earth, Atmospheric & Aquatic Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Environmental Science Collection</collection><collection>ProQuest Central Basic</collection><collection>Environment Abstracts</collection><jtitle>Journal of soils and sediments</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, Li</au><au>Zeng, Chao</au><au>Wang, Dan</au><au>Yang, Jin-yan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Phytoextraction of cobalt (Co)-contaminated soils by sweet alyssum (Lobularia maritima (L.) Desv.) is enhanced by biodegradable chelating agents</atitle><jtitle>Journal of soils and sediments</jtitle><stitle>J Soils Sediments</stitle><date>2020-04-01</date><risdate>2020</risdate><volume>20</volume><issue>4</issue><spage>1931</spage><epage>1942</epage><pages>1931-1942</pages><issn>1439-0108</issn><eissn>1614-7480</eissn><abstract>Purpose
Combining biodegradable chelating agents with phytoextraction is an efficient technique to amend metal-contaminated soils, but most studies have addressed remediation efficiency rather than a comprehensive understanding of the interactions among plant stress, metal accumulation, and metal bioavailability. This study aimed to investigate the effects of biodegradable chelating agents on improving the efficiency of phytoextraction for cobalt (Co)-contaminated soil by sweet alyssum (
Lobularia maritima
(L.)) and to explore the interrelationships among plant stress, Co accumulation, and Co bioavailability.
Materials and methods
Sweet alyssum (three plants per pot) was grown in pots containing soil with Co added at 0, 40, and 60 mg kg
−1
, respectively. After 70 days of growth, we added four biodegradable chelating agents (EDDS, NTA, CA, and OA) at various concentrations (0, 2.5, 5.0, and 7.5 mmol kg
−1
). The plants were harvested after 7 days, and the biomass, reactive oxygen species (ROS) parameters, Co concentrations of the shoot and root, and available Co content in the soil were analyzed.
Results and discussion
The results demonstrate that chelating agents significantly (
p
< 0.05) improved the phytoextraction capability of sweet alyssum and influenced plant growth and stress. The capability of EDDS to activate Co was higher than that of other chelating agents at identical concentrations in Co-contaminated soils. Furthermore, we observed that a moderate concentration (40 mg kg
−1
) of Co could promote plant growth and that high concentrations of Co (60 mg kg
−1
) and EDDS (7.5 mmol kg
−1
) cause enhanced stress to plant growth, even resulting in lower shoot Co accumulation than that in the moderate EDDS treatment (5.0 mmol kg
−1
).
Conclusions
The present study demonstrates that the application of EDDS may be a better choice for Co phytoextraction than NTA, CA, and OA; nevertheless, a high concentration of EDDS may enhance the negative effects on plant growth, physiological traits, and Co accumulation.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s11368-020-02592-5</doi><tpages>12</tpages></addata></record> |
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| subjects | Accumulation Bioavailability Biodegradability Biodegradation Chelates Chelating agents Chelation Cobalt Earth and Environmental Science Environment Environmental Physics Heavy metals Lobularia maritima Physiological effects Plant growth Plant stress Reactive oxygen species Sec 1 • Soil Organic Matter Dynamics and Nutrient Cycling • Research Article Soil Soil analysis Soil contamination Soil pollution Soil remediation Soil Science & Conservation Soils |
| title | Phytoextraction of cobalt (Co)-contaminated soils by sweet alyssum (Lobularia maritima (L.) Desv.) is enhanced by biodegradable chelating agents |
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