Improving sugar beet (Beta vulgaris L.) productivity by inoculation with Gluconacetobacter spp.

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dc.contributor.advisor Vessey, Joseph Kevin
dc.creator Abudureheman, Abuduxikuer 2012-12-06T20:30:03Z 2012-12-06T20:30:03Z 2012
dc.identifier.other QR82 P78 A28 2012
dc.description xi, 152 leaves : ill. (some col.) ; 29 cm. en_CA
dc.description Includes abstract.
dc.description Includes bibliographical references (leaves 131-152).
dc.description.abstract Gluconacetobacter diazotrophicus is nitrogen fixing endophyte that associates with sugar cane. Fourteen strains of Gluconacetobacter spp., including Gluconacetobacter diazotrophicus, were tested for capability of fixing nitrogen in sugar beet at 1 mM and 10 mM NO[subscript 3][superscript -]. Inoculation at different growth stages with different bacteria concentrations was assessed in sugar beets provided 5 mM NO[subscript 3][superscript -] to evaluate its impact on infection level and capacity of nitrogen fixation. A 16S rRNA based PCR technique was applied for identification of isolated strains. GUS labeled strains were also used to investigate the possible sites that the bacteria infect the host plant. Results showed that certain strains improved plant growth significantly. A greater biomass increase and higher nitrogen fixation was found at lower nitrogen treatments. Utilization of GUS-labelled strains of Gluconacetobacter diazotrophicus indicated that root tips, root hairs and the intersection of lateral roots were possible sites of infection by the bacterium. en_CA
dc.description.provenance Submitted by Dianne MacPhee ( on 2012-12-06T20:30:03Z No. of bitstreams: 0 en
dc.description.provenance Made available in DSpace on 2012-12-06T20:30:03Z (GMT). No. of bitstreams: 0 Previous issue date: 2012 en
dc.language.iso en en_CA
dc.publisher Halifax, N.S. : Saint Mary's University en_CA
dc.subject.lcc QR82.P78
dc.subject.lcsh Acetobacter
dc.subject.lcsh Nitrogen-fixing microorganisms
dc.subject.lcsh Sugar beet -- Yields
dc.title Improving sugar beet (Beta vulgaris L.) productivity by inoculation with Gluconacetobacter spp. en_CA
dc.type Text en_CA Master of Science in Applied Science Masters Biology Saint Mary's University (Halifax, N.S.)
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