{"id":{"repo_id":"etsu","oai_identifier":"oai:dc.etsu.edu:etd-2641"},"canonical_url":"https://search.dev.ndltd.org/etd/etsu/oai:dc.etsu.edu:etd-2641","repository":{"repo_id":"etsu","name":"East Tennessee State University","base_url":"https://dc.etsu.edu/do/oai/"},"display":{"title":"Study of Metal Tolerance / Accumulation in <em>Festuca arundinacea</em> Schreb. From a Serpentine Site in North Carolina","abstract":"<p>The prevailing conditions in metalliferous soils are usually hostile for plant growth, but some plant species are still able to thrive in these substrates. <em>Festuca arundinacea</em> Schreb. plants were found to thrive on serpentine soils containing high concentrations of Cr and Ni. These plants contained higher concentrations of Ni in their roots than in their shoots. Hydroponic growth experiments with 350 &#181;M and 650 &#181;M Ni singularly and in combination revealed that more Cr was accumulated at the roots. The opposite was the case for Ni. The same experiments showed no difference between plants from serpentine and control soils in terms of growth and metal uptake. Ni was found to be toxic to control <em>Festuca arundinacea</em> plants at concentrations of at least 50 &#181;M. The uptake of Ni in <em>Festuca arundinacea</em> was increased by an increase in the concentration of Ni and a decrease the pH of the substrate.</p>","abstract_html":"&lt;p&gt;The prevailing conditions in metalliferous soils are usually hostile for plant growth, but some plant species are still able to thrive in these substrates. &lt;em&gt;Festuca arundinacea&lt;/em&gt; Schreb. plants were found to thrive on serpentine soils containing high concentrations of Cr and Ni. These plants contained higher concentrations of Ni in their roots than in their shoots. Hydroponic growth experiments with 350 &amp;#181;M and 650 &amp;#181;M Ni singularly and in combination revealed that more Cr was accumulated at the roots. The opposite was the case for Ni. The same experiments showed no difference between plants from serpentine and control soils in terms of growth and metal uptake. Ni was found to be toxic to control &lt;em&gt;Festuca arundinacea&lt;/em&gt; plants at concentrations of at least 50 &amp;#181;M. The uptake of Ni in &lt;em&gt;Festuca arundinacea&lt;/em&gt; was increased by an increase in the concentration of Ni and a decrease the pH of the substrate.&lt;/p&gt;","abstract_has_math":false,"creators":["Binda, Nkongho Collins"],"institution":null,"degree_name":"MS (Master of Science)","degree_level":"Thesis - restricted","degree_discipline":"Biology","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2012,"date_issued":"2012-05-05T07:00:00Z","date_published":"2012-05-05T07:00:00Z","updated_at":"2026-07-24T02:20:31Z","subjects":["hyperaccumulation","Tolerance","serpentine","Festuca arundinacea","Earth Sciences","Physical Sciences and Mathematics","Soil Science"],"languages":[],"rights":["Copyright by the authors."],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://dc.etsu.edu/etd/1448","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Binda, Nkongho Collins"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.issued","label":"Date","values":["2012-05-05T07:00:00Z"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Biology"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis - restricted"]},{"key":"thesis:degree_name","label":"Degree Name","values":["MS (Master of Science)"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["hyperaccumulation","Tolerance","serpentine","Festuca arundinacea","Earth Sciences","Physical Sciences and Mathematics","Soil Science"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:rights","label":"Dc Rights","values":["Copyright by the authors."]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://dc.etsu.edu/context/etd/article/2641/viewcontent/BindaN041612f.pdf","https://dc.etsu.edu/etd/1448"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["<p>The prevailing conditions in metalliferous soils are usually hostile for plant growth, but some plant species are still able to thrive in these substrates. <em>Festuca arundinacea</em> Schreb. plants were found to thrive on serpentine soils containing high concentrations of Cr and Ni. These plants contained higher concentrations of Ni in their roots than in their shoots. Hydroponic growth experiments with 350 &#181;M and 650 &#181;M Ni singularly and in combination revealed that more Cr was accumulated at the roots. The opposite was the case for Ni. The same experiments showed no difference between plants from serpentine and control soils in terms of growth and metal uptake. Ni was found to be toxic to control <em>Festuca arundinacea</em> plants at concentrations of at least 50 &#181;M. The uptake of Ni in <em>Festuca arundinacea</em> was increased by an increase in the concentration of Ni and a decrease the pH of the substrate.</p>"]},{"key":"dc:title","label":"Title","values":["Study of Metal Tolerance / Accumulation in <em>Festuca arundinacea</em> Schreb. From a Serpentine Site in North Carolina"]}]}],"canonical_facts":{"dc:creator":["Binda, Nkongho Collins"],"dc:date.issued":["2012-05-05T07:00:00Z"],"dc:description.abstract":["<p>The prevailing conditions in metalliferous soils are usually hostile for plant growth, but some plant species are still able to thrive in these substrates. <em>Festuca arundinacea</em> Schreb. plants were found to thrive on serpentine soils containing high concentrations of Cr and Ni. These plants contained higher concentrations of Ni in their roots than in their shoots. Hydroponic growth experiments with 350 &#181;M and 650 &#181;M Ni singularly and in combination revealed that more Cr was accumulated at the roots. The opposite was the case for Ni. The same experiments showed no difference between plants from serpentine and control soils in terms of growth and metal uptake. Ni was found to be toxic to control <em>Festuca arundinacea</em> plants at concentrations of at least 50 &#181;M. The uptake of Ni in <em>Festuca arundinacea</em> was increased by an increase in the concentration of Ni and a decrease the pH of the substrate.</p>"],"dc:identifier":["https://dc.etsu.edu/context/etd/article/2641/viewcontent/BindaN041612f.pdf","https://dc.etsu.edu/etd/1448"],"dc:rights":["Copyright by the authors."],"dc:subject":["hyperaccumulation","Tolerance","serpentine","Festuca arundinacea","Earth Sciences","Physical Sciences and Mathematics","Soil Science"],"dc:title":["Study of Metal Tolerance / Accumulation in <em>Festuca arundinacea</em> Schreb. From a Serpentine Site in North Carolina"],"thesis:degree_discipline":["Biology"],"thesis:degree_level":["Thesis - restricted"],"thesis:degree_name":["MS (Master of Science)"]},"updated_at":"2026-07-24T02:20:31Z"}