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FIGURE 2-1 An example of a generalized conceptual model for mycoherbicide exposure that traces the potential physical exposure pathways of toxins, spores, and vegetative bodies from a particular application method to the general classes of ecological and human receptors. Dotted lines and question marks show where there is likely to be a particular lack of information about a pathway. There is a lack of strain-specific information to provide detailed description of the potential exposures, but the figure provides a guide to help in identifying the type of information needed to characterize the potential exposures.



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