{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/42482"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/42482","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"The influence of rhizobacteria on the competition between native and invasive Lespedeza","abstract":"Made available in DSpace on 2013-02-03T19:47:19Z (GMT). No. of bitstreams: 3 Lingzi_Hu.pdf: 805388 bytes, checksum: 890f69f54c0110d5dcb1fc44bf2f3f5a (MD5) Hu_Lingzi.docx: 919219 bytes, checksum: e299156ef3be75d6395e39d086814414 (MD5) license.txt: 4055 bytes, checksum: 5af11b4931f2bd620875691143061063 (MD5)","abstract_html":"Made available in DSpace on 2013-02-03T19:47:19Z (GMT). No. of bitstreams: 3 Lingzi_Hu.pdf: 805388 bytes, checksum: 890f69f54c0110d5dcb1fc44bf2f3f5a (MD5) Hu_Lingzi.docx: 919219 bytes, checksum: e299156ef3be75d6395e39d086814414 (MD5) license.txt: 4055 bytes, checksum: 5af11b4931f2bd620875691143061063 (MD5)","abstract_has_math":false,"creators":["Hu, Lingzi"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"M.S.","degree_level":"Thesis","degree_discipline":"Natural Res & Env Sciences","degree_department":null,"school":null,"contributors":["Yannarell, Anthony C."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2013,"date_issued":"2013-02-03T19:47:19Z","date_published":"2013-02-03T19:47:19Z","updated_at":"2026-07-22T22:25:33Z","subjects":["Lespedeza cuneata","rhizobia","rhizosphere bacteria","plant invasion","plant competition","legume","symbiosis"],"languages":["en"],"rights":["Copyright 2012 Lingzi Hu"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/2142/42482","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Yannarell, Anthony C."]},{"key":"dc:creator","label":"Author","values":["Hu, Lingzi"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2013-02-03T19:47:19Z","2015-02-03T11:01:03Z","2012-12"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Natural Res & Env Sciences"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.S."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Lespedeza cuneata","rhizobia","rhizosphere bacteria","plant invasion","plant competition","legume","symbiosis"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2012 Lingzi Hu"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/42482"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Made available in DSpace on 2013-02-03T19:47:19Z (GMT). No. of bitstreams: 3 Lingzi_Hu.pdf: 805388 bytes, checksum: 890f69f54c0110d5dcb1fc44bf2f3f5a (MD5) Hu_Lingzi.docx: 919219 bytes, checksum: e299156ef3be75d6395e39d086814414 (MD5) license.txt: 4055 bytes, checksum: 5af11b4931f2bd620875691143061063 (MD5)","Item marked as restricted to the 'Administrator' Group (id=1) by Seth Robbins (srobbins@illinois.edu) on 2013-02-03T19:48:02Z Item is restricted until 2015-02-03T19:47:48Z","Restriction data tranferred 2014-07-01T11:36:04-05:00 Original Data Group with Access Administrator Release Date: 2015-02-03 13:47:48 UTC Reason: Author requested closed access (OA after 2yrs) in Vireo ETD system","Limited Restriction Lifted for Item 42430 on 2015-02-03T11:01:03Z.","In order to study the effect of bacteria from root nodules on plant competition, two greenhouse experiments were conducted. Seven rhizobia and five non-rhizobia rhizobacteria strains were used to determine how plant-microbe interactions affect the competition between invasive Lespedeza cuneata and its native relative, Lespedeza virginica. Different rhizobia strains showed different impacts on the competition between L. cuneata and L. virginica. A relatively fast-growing Mesorhizobium strain and one of the Rhizobium strains showed low nodulation rate and no significant effect on the two plant species. All three Bradyrhizobium strains and two of the Rhizobium strains showed positive effects on the growth of L. cuneata, but they do not have the effect on the growth of L. virginica, so I conclude that invasive L. cuneata benefited more from the plant-rhizobacteria symbiosis relationship. This result emphasizes the influence of belowground interactions on the aboveground community. The finding that rhizobacteria mutualism can support the invasion of L. cuneata provides another perspective to invasion studies of L. cuneata.","Item withdrawn by Mark Zulauf (zulauf@illinois.edu) on 2012-12-06T18:50:49Z Item was in collections: University of Illinois Theses & Dissertations (ID: 1) No. of bitstreams: 2 Hu_Lingzi.docx: 924997 bytes, checksum: 6a31f35a86fe5596277bfca986d4d7b1 (MD5) Hu_Lingzi.pdf: 807597 bytes, checksum: 3b9d3ef9af0ad8e5f08f20d89a84b75d (MD5)"]},{"key":"dc:title","label":"Title","values":["The influence of rhizobacteria on the competition between native and invasive Lespedeza"]}]}],"canonical_facts":{"dc:contributor":["Yannarell, Anthony C."],"dc:creator":["Hu, Lingzi"],"dc:date":["2013-02-03T19:47:19Z","2015-02-03T11:01:03Z","2012-12"],"dc:description":["Made available in DSpace on 2013-02-03T19:47:19Z (GMT). No. of bitstreams: 3 Lingzi_Hu.pdf: 805388 bytes, checksum: 890f69f54c0110d5dcb1fc44bf2f3f5a (MD5) Hu_Lingzi.docx: 919219 bytes, checksum: e299156ef3be75d6395e39d086814414 (MD5) license.txt: 4055 bytes, checksum: 5af11b4931f2bd620875691143061063 (MD5)","Item marked as restricted to the 'Administrator' Group (id=1) by Seth Robbins (srobbins@illinois.edu) on 2013-02-03T19:48:02Z Item is restricted until 2015-02-03T19:47:48Z","Restriction data tranferred 2014-07-01T11:36:04-05:00 Original Data Group with Access Administrator Release Date: 2015-02-03 13:47:48 UTC Reason: Author requested closed access (OA after 2yrs) in Vireo ETD system","Limited Restriction Lifted for Item 42430 on 2015-02-03T11:01:03Z.","In order to study the effect of bacteria from root nodules on plant competition, two greenhouse experiments were conducted. Seven rhizobia and five non-rhizobia rhizobacteria strains were used to determine how plant-microbe interactions affect the competition between invasive Lespedeza cuneata and its native relative, Lespedeza virginica. Different rhizobia strains showed different impacts on the competition between L. cuneata and L. virginica. A relatively fast-growing Mesorhizobium strain and one of the Rhizobium strains showed low nodulation rate and no significant effect on the two plant species. All three Bradyrhizobium strains and two of the Rhizobium strains showed positive effects on the growth of L. cuneata, but they do not have the effect on the growth of L. virginica, so I conclude that invasive L. cuneata benefited more from the plant-rhizobacteria symbiosis relationship. This result emphasizes the influence of belowground interactions on the aboveground community. The finding that rhizobacteria mutualism can support the invasion of L. cuneata provides another perspective to invasion studies of L. cuneata.","Item withdrawn by Mark Zulauf (zulauf@illinois.edu) on 2012-12-06T18:50:49Z Item was in collections: University of Illinois Theses & Dissertations (ID: 1) No. of bitstreams: 2 Hu_Lingzi.docx: 924997 bytes, checksum: 6a31f35a86fe5596277bfca986d4d7b1 (MD5) Hu_Lingzi.pdf: 807597 bytes, checksum: 3b9d3ef9af0ad8e5f08f20d89a84b75d (MD5)"],"dc:identifier":["http://hdl.handle.net/2142/42482"],"dc:language":["en"],"dc:rights":["Copyright 2012 Lingzi Hu"],"dc:subject":["Lespedeza cuneata","rhizobia","rhizosphere bacteria","plant invasion","plant competition","legume","symbiosis"],"dc:title":["The influence of rhizobacteria on the competition between native and invasive Lespedeza"],"dc:type":["text"],"thesis:degree_discipline":["Natural Res & Env Sciences"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["M.S."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:25:33Z"}