Professional Societies and Ecologically Based Pest Management Proceedings of a Workshop (2000) / Chapter Skim
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6 View of a Microbial Ecologist
6 View of a Microbial Ecologist
Pages 32-36
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From page 32... ...
Unless a more thorough understanding of the ecological principals dictating microbial and plant interactions is obtained, efforts to achieve ecologically based pest management will remain empirical and will lack transferability between systems. On the other hand, by understanding particular model systems in which ecologically based management can be successfully implemented, it should be possible to develop common strategies and practices by which pest management can be relied upon in the future.
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From page 33... ...
This information is clearly applicable to regional and local plant breeding efforts to develop disease resistant rice cultivars in that it elucidates the need to include a wide variety of pathogen genotypes in selection schemes to anticipate introduction of novel pathogenic strains. Knowledge of the population structure of soilborne pathogens is also important in implementing biocontrol procedures.
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From page 34... ...
Eric Tripplet of the University of Wisconsin revealed not only that high levels of diversity are found in agricultural soils but that different microorganisms are found in disturbed agricultural soils compared to undisturbed forest soils (Borneman and Triplett, 1997~. Although we remain far from the goal of being able to specifically manipulate microbial communities in soils, tools are now available to assess impacts of agricultural practices such as cultivation and crop rotation.
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From page 35... ...
Such detailed knowledge of pathogen behavior might form the basis for innovative strategies to evade the deleterious traits of plant pathogens by selective breeding to eliminate plant signals required for virulence. Molecular genetic tools when applied to microbial ecology should enable us to better understand interactions between microorganisms that can confer biological control of important diseases.
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From page 36... ...
leaves for plant signal molecules that activate the syrB gene required for synthesis of the phytotoxin, syringomycin, by Pseudomonas syringae pv syringae. Plant Physiology 107:603012.
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