Commensalism to synergism: the potential role for biological combinations in bioherbicides [review]. [Workshop paper]
1992
Cother, E.J. (New South Wales Agriculture, Orange (Australia). Agricultural Research and Veterinary Centre)
Mixtures of organisms are rarely, if ever, used to establish contributory roles in disease expression. The relevance of likely interactions should be established early in the assessment procedure. The scenario of a primary pathogen modifying the infection court or breaching host defences and compensating for the diminished virulence of the subsidiary pathogen needs to be examined. However in many cases, the subsidiary pathogen, as a co-isolate from the field-infected plant, may be discarded in an initial screening of single isolates in pathogenicity testing. The potential use of subsidiary pathogens to improve disease progression in mycoherbicides is discussed with some examples. Whilst biotroph-necrotroph interactions are receiving some attention, it is argued that benefits may be gained by greater examination of synergistic responses in necrotroph-necrotroph combinations.
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