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Non-target site mechanisms of resistance to major classes of fungicides used for crop disease management. Each circle with different colors represents a chemical class, whereas symbols within circles each represent a resistance mechanism as shown in the figure. DMIs: Demethylation inhibitors; MBCs: Methyl benzimidazole carbamates; APs: Anilino-pyrimidines; PPs: Phenylpyrroles; QoIs: Quinone outside inhibitors; KRIs: Ketoreductase inhibitors; SDHIs: Succinate dehydrogenase inhibitors.
