Germination of Bouteloua dactyloides and Cynodon dactylon in a Multi-Polluted Soil
Mining wastes generate high environmental impacts, and population exposure to metals and metalloids. Phytoremediation is a technology that uses plants to remediate polluted sites, but one of its limitations is seed germination in soil with a high content of metals and metalloids. Bouteloua dactyloid...
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Veröffentlicht in: | Sustainability 2017-01, Vol.9 (1), p.81-81 |
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creator | Delgado-Caballero, María Alarcón-Herrera, María Valles-Aragón, María Melgoza-Castillo, Alicia Ojeda-Barrios, Dámaris Leyva-Chávez, Arwell |
description | Mining wastes generate high environmental impacts, and population exposure to metals and metalloids. Phytoremediation is a technology that uses plants to remediate polluted sites, but one of its limitations is seed germination in soil with a high content of metals and metalloids. Bouteloua dactyloides (former Buchloe dactyloides) is a native species from semiarid regions, while Cynodon dactylon is an invasive species; both are tolerant to harsh soil conditions. The objective of this research was to evaluate the germination of both species, exposed to a multi-polluted soil with As, Cd, Pb, and Zn of a mining site, considering different pH conditions (from 5.0 to 9.0). The study considered four repetitions by type of seed and soil pH. The highest germination of B. dactyloides was 83% at pH 7.8, while the greatest germination of C. dactylon was 34% at pH 6.0. These percentages are similar to those obtained in a standard germination test, which are 82.5% for B. dactyloides and 35% for C. dactylon. Germination was not reached in either species with soil at pH 5, owing to the fact that metals are more bioavailable in acid environments. B. dactyloides and C. dactylon had a high potential to germinate in multi-polluted soil at neutral pH, but further experiments are needed. |
doi_str_mv | 10.3390/su9010081 |
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Phytoremediation is a technology that uses plants to remediate polluted sites, but one of its limitations is seed germination in soil with a high content of metals and metalloids. Bouteloua dactyloides (former Buchloe dactyloides) is a native species from semiarid regions, while Cynodon dactylon is an invasive species; both are tolerant to harsh soil conditions. The objective of this research was to evaluate the germination of both species, exposed to a multi-polluted soil with As, Cd, Pb, and Zn of a mining site, considering different pH conditions (from 5.0 to 9.0). The study considered four repetitions by type of seed and soil pH. The highest germination of B. dactyloides was 83% at pH 7.8, while the greatest germination of C. dactylon was 34% at pH 6.0. These percentages are similar to those obtained in a standard germination test, which are 82.5% for B. dactyloides and 35% for C. dactylon. Germination was not reached in either species with soil at pH 5, owing to the fact that metals are more bioavailable in acid environments. B. dactyloides and C. dactylon had a high potential to germinate in multi-polluted soil at neutral pH, but further experiments are needed.</description><identifier>ISSN: 2071-1050</identifier><identifier>EISSN: 2071-1050</identifier><identifier>DOI: 10.3390/su9010081</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Bioavailability ; Cadmium ; Germination ; Metalloids ; Metals ; Mine wastes ; Phytoremediation ; Pollutants ; Salinity ; Seeds ; Soil conditions ; Soil contamination ; Soil pH ; Soil pollution ; Sustainability</subject><ispartof>Sustainability, 2017-01, Vol.9 (1), p.81-81</ispartof><rights>Copyright MDPI AG 2017</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c325t-548fd710a6f1b879a26cbc06d74f827ede1ddbb255f073fd9a63276e976a25ae3</citedby><cites>FETCH-LOGICAL-c325t-548fd710a6f1b879a26cbc06d74f827ede1ddbb255f073fd9a63276e976a25ae3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Delgado-Caballero, María</creatorcontrib><creatorcontrib>Alarcón-Herrera, María</creatorcontrib><creatorcontrib>Valles-Aragón, María</creatorcontrib><creatorcontrib>Melgoza-Castillo, Alicia</creatorcontrib><creatorcontrib>Ojeda-Barrios, Dámaris</creatorcontrib><creatorcontrib>Leyva-Chávez, Arwell</creatorcontrib><title>Germination of Bouteloua dactyloides and Cynodon dactylon in a Multi-Polluted Soil</title><title>Sustainability</title><description>Mining wastes generate high environmental impacts, and population exposure to metals and metalloids. Phytoremediation is a technology that uses plants to remediate polluted sites, but one of its limitations is seed germination in soil with a high content of metals and metalloids. Bouteloua dactyloides (former Buchloe dactyloides) is a native species from semiarid regions, while Cynodon dactylon is an invasive species; both are tolerant to harsh soil conditions. The objective of this research was to evaluate the germination of both species, exposed to a multi-polluted soil with As, Cd, Pb, and Zn of a mining site, considering different pH conditions (from 5.0 to 9.0). The study considered four repetitions by type of seed and soil pH. The highest germination of B. dactyloides was 83% at pH 7.8, while the greatest germination of C. dactylon was 34% at pH 6.0. These percentages are similar to those obtained in a standard germination test, which are 82.5% for B. dactyloides and 35% for C. dactylon. Germination was not reached in either species with soil at pH 5, owing to the fact that metals are more bioavailable in acid environments. B. dactyloides and C. dactylon had a high potential to germinate in multi-polluted soil at neutral pH, but further experiments are needed.</description><subject>Bioavailability</subject><subject>Cadmium</subject><subject>Germination</subject><subject>Metalloids</subject><subject>Metals</subject><subject>Mine wastes</subject><subject>Phytoremediation</subject><subject>Pollutants</subject><subject>Salinity</subject><subject>Seeds</subject><subject>Soil conditions</subject><subject>Soil contamination</subject><subject>Soil pH</subject><subject>Soil pollution</subject><subject>Sustainability</subject><issn>2071-1050</issn><issn>2071-1050</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNpd0EtLAzEQAOAgCpbag_8g4EUPq3lsks1Ri61CRfFxXrKbBFLSpCabQ_-9W1pEnMsMwzfDMABcYnRLqUR3uUiEEWrwCZgQJHCFEUOnf-pzMMt5jcagFEvMJ-B9adLGBTW4GGC08CGWwfhYFNSqH3Y-Om0yVEHD-S5EPaJjP0AXoIIvxQ-ueovej3MafkTnL8CZVT6b2TFPwdfi8XP-VK1el8_z-1XVU8KGitWN1QIjxS3uGiEV4X3XI65FbRsijDZY664jjFkkqNVScUoEN1JwRZgydAquD3u3KX4Xk4d243JvvFfBxJJb3PCGkpoLOdKrf3QdSwrjdXtFMKWCsVHdHFSfYs7J2Hab3EalXYtRu39w-_tg-gNnJWy6</recordid><startdate>20170101</startdate><enddate>20170101</enddate><creator>Delgado-Caballero, María</creator><creator>Alarcón-Herrera, María</creator><creator>Valles-Aragón, María</creator><creator>Melgoza-Castillo, Alicia</creator><creator>Ojeda-Barrios, Dámaris</creator><creator>Leyva-Chávez, Arwell</creator><general>MDPI AG</general><scope>AAYXX</scope><scope>CITATION</scope><scope>4U-</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7ST</scope><scope>7U6</scope><scope>C1K</scope></search><sort><creationdate>20170101</creationdate><title>Germination of Bouteloua dactyloides and Cynodon dactylon in a Multi-Polluted Soil</title><author>Delgado-Caballero, María ; Alarcón-Herrera, María ; Valles-Aragón, María ; Melgoza-Castillo, Alicia ; Ojeda-Barrios, Dámaris ; Leyva-Chávez, Arwell</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c325t-548fd710a6f1b879a26cbc06d74f827ede1ddbb255f073fd9a63276e976a25ae3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Bioavailability</topic><topic>Cadmium</topic><topic>Germination</topic><topic>Metalloids</topic><topic>Metals</topic><topic>Mine wastes</topic><topic>Phytoremediation</topic><topic>Pollutants</topic><topic>Salinity</topic><topic>Seeds</topic><topic>Soil conditions</topic><topic>Soil contamination</topic><topic>Soil pH</topic><topic>Soil pollution</topic><topic>Sustainability</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Delgado-Caballero, María</creatorcontrib><creatorcontrib>Alarcón-Herrera, María</creatorcontrib><creatorcontrib>Valles-Aragón, María</creatorcontrib><creatorcontrib>Melgoza-Castillo, Alicia</creatorcontrib><creatorcontrib>Ojeda-Barrios, Dámaris</creatorcontrib><creatorcontrib>Leyva-Chávez, Arwell</creatorcontrib><collection>CrossRef</collection><collection>University Readers</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Publicly Available Content 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>ProQuest Central China</collection><collection>Environment Abstracts</collection><collection>Sustainability Science Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><jtitle>Sustainability</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Delgado-Caballero, María</au><au>Alarcón-Herrera, María</au><au>Valles-Aragón, María</au><au>Melgoza-Castillo, Alicia</au><au>Ojeda-Barrios, Dámaris</au><au>Leyva-Chávez, Arwell</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Germination of Bouteloua dactyloides and Cynodon dactylon in a Multi-Polluted Soil</atitle><jtitle>Sustainability</jtitle><date>2017-01-01</date><risdate>2017</risdate><volume>9</volume><issue>1</issue><spage>81</spage><epage>81</epage><pages>81-81</pages><issn>2071-1050</issn><eissn>2071-1050</eissn><abstract>Mining wastes generate high environmental impacts, and population exposure to metals and metalloids. Phytoremediation is a technology that uses plants to remediate polluted sites, but one of its limitations is seed germination in soil with a high content of metals and metalloids. Bouteloua dactyloides (former Buchloe dactyloides) is a native species from semiarid regions, while Cynodon dactylon is an invasive species; both are tolerant to harsh soil conditions. The objective of this research was to evaluate the germination of both species, exposed to a multi-polluted soil with As, Cd, Pb, and Zn of a mining site, considering different pH conditions (from 5.0 to 9.0). The study considered four repetitions by type of seed and soil pH. The highest germination of B. dactyloides was 83% at pH 7.8, while the greatest germination of C. dactylon was 34% at pH 6.0. These percentages are similar to those obtained in a standard germination test, which are 82.5% for B. dactyloides and 35% for C. dactylon. Germination was not reached in either species with soil at pH 5, owing to the fact that metals are more bioavailable in acid environments. B. dactyloides and C. dactylon had a high potential to germinate in multi-polluted soil at neutral pH, but further experiments are needed.</abstract><cop>Basel</cop><pub>MDPI AG</pub><doi>10.3390/su9010081</doi><tpages>1</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Bioavailability Cadmium Germination Metalloids Metals Mine wastes Phytoremediation Pollutants Salinity Seeds Soil conditions Soil contamination Soil pH Soil pollution Sustainability |
title | Germination of Bouteloua dactyloides and Cynodon dactylon in a Multi-Polluted Soil |
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