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Title:Wheat Take-All: Quantification of Resistance and Pseudomonad Suppression and the Potential for Their Interaction
Author(s):Ismail, Emad Abdel-Gawad
Doctoral Committee Chair(s):Wilkinson, Henry T.
Department / Program:Crop Sciences
Discipline:Crop Sciences
Degree Granting Institution:University of Illinois at Urbana-Champaign
Subject(s):Agriculture, Plant Pathology
Abstract:A new 10-day in vitro assay was developed to study the dynamic colonization of Ggt-infected roots by both antagonistic and non-antagonistic bacteria. Pseudomonas fluorescens (strain 2-79), as antagonist of Ggt and Bacillus megaterium (strain B153-2-2), a non-antagonist, were used to determine if wheat roots, infected by Ggt, supported greater CFU of the antagonist strain than non-antagonist strain. Colony forming units of P. fluorescens, applied singly or in combination with B. megaterium, were significantly higher on Ggt-infected roots compared to non-inoculated roots after 7 and 10 days from treatment. The CFUs of B. megaterium, applied singly or in combination with P. fluorescens, were not significantly higher on Ggt-infected roots compared to non-inoculated roots.
Issue Date:1997
Description:125 p.
Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1997.
Other Identifier(s):(MiAaPQ)AAI9717285
Date Available in IDEALS:2015-09-25
Date Deposited:1997

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