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Dawson, Jeffrey O. Zimpfer, Jeff Frederick 2015-09-25T21:00:18Z 2015-09-25T21:00:18Z 10000-01-01 2001 2001 Further studies revealed that Casuarina cladodes increased the infectivity of a soil inoculum by a factor of 3.2, whereas leaves of a sympatric check plant, Terminalia catappa (Combretaceae), barely increased the same soil's infectivity. Charcoal and clay added to the seedling growth substrate to bind organic material significantly inhibited nodulation of C. cunninghamiana by a Frankia isolate, suggesting the host may release compounds necessary to the nodulation process. In a final study, the infectivity of soils inoculated with Frankia isolate CjI82001 decreased over time, whereas infectivity of soils without inoculum either increased or remained unaffected. A positive synergism was observed between the Frankia isolate and the soil biotic community, resulting in an increased infectivity of the Frankia isolate. Made available in DSpace on 2015-09-25T21:00:18Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 3023246.pdf: 7286723 bytes, checksum: 5ac90111f33e05a1920ef9514d0d0d6e (MD5) Previous issue date: 2001 Embargo set by: Seth Robbins for item 84360 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs U of I Only 159 p. Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2001. http://hdl.handle.net/2142/83079 (MiAaPQ)AAI3023246 eng Agriculture, Soil Science Factors Influencing the Distribution, Growth and Infectivity of Casuarina-Infective Frankia text Natural Resrouces and Environmental Sciences Natural Resrouces and Environmental Sciences University of Illinois at Urbana-Champaign Dissertation Ph.D.