Biological Management

  • D. R. Fravel
  • C. A. Engelkes

Abstract

Biological control agents add another dimension to the familiar disease triangle. Interactions among the plant, pathogen, biocontrol agent, and environment must be considered in development of management systems for soilborne pathogens. The most successful systems exploit aspects of each member of the tetrad resulting in the maximum benefit to crop production with a minimum expenditure of resources. Knowledge of ecology and epidemiology is particularly helpful in determining when and where the biocontrol agent is most likely to function, when and where the pathogen may be diverted from causing disease, and in rational screening for new biocontrol agents. Timing and placement of the biocontrol agent are often more important to the success of control than the population size of the biocontrol agent. Thus, temporal and spatial relationships among plant, pathogen, and biocontrol agent, as well as how environment modifies these interactions, must be explored.

Keywords

Cyanide Pseudomonas Microbe Alginate Nash 

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Copyright information

© Springer-Verlag Berlin Heidelberg 1994

Authors and Affiliations

  • D. R. Fravel
  • C. A. Engelkes

There are no affiliations available

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