University of Illinois Urbana-Champaign

Wheat Take-All: Quantification of Resistance and Pseudomonad Suppression and the Potential for Their Interaction

Ismail, Emad Abdel-Gawad

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Description

Title
Wheat Take-All: Quantification of Resistance and Pseudomonad Suppression and the Potential for Their Interaction
Author(s)
Ismail, Emad Abdel-Gawad
Issue Date
1997
Doctoral Committee Chair(s)
Wilkinson, Henry T.
Department of Study
Crop Sciences
Discipline
Crop Sciences
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Agriculture, Plant Pathology
Language
eng
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.
Graduation Semester
1997
Type of Resource
text
Permalink
http://hdl.handle.net/2142/85046

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