The Fungicide Resistance Action Committee FRAC

The purpose of FRAC is to provide guidelines for fungicide resistance management to prolong the effectiveness of at risk fungicides and to limit crop losses should resistance occur. 

If molecules from different manufacturers have the same mode of action and if this mode of action bears at the same time a significant resistance risk, a FRAC 

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The contribution FRAC Mode of Action Classification and Resistance Risk of Fungicides (Chapter 12), starting with a short introduction on the history of fungicides, explains the importance of individual modes of action relative to their market penetration, their mechanisms and occurrence of resistance, the importance and occurrence of practical resistance on the management of fungicide resistance by FRAC (Fungicide Resistance Action Committee) and its recommendations to farmers related to the modes of action of the different fungicides. 

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