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Brazilian Journal of Microbiology

Print version ISSN 1517-8382On-line version ISSN 1678-4405

Abstract

DEISING, Holger B.; REIMANN, Sven  and  PASCHOLATI, Sérgio F.. Mechanisms and significance of fungicide resistance. Braz. J. Microbiol. [online]. 2008, vol.39, n.2, pp.286-295. ISSN 1517-8382.  http://dx.doi.org/10.1590/S1517-83822008000200017.

In this review article, we show that occurrence of fungicide resistance is one of the most important issues in modern agriculture. Fungicide resistance may be due to mutations of genes encoding fungicide targets (qualitative fungicide resistance) or to different mechanisms that are induced by sub-lethal fungicide stress. These mechanisms result in different and varying levels of resistance (quantitative fungicide resistance). We discuss whether or not extensive use of fungicides in agricultural environments is related to the occurrence of fungicide resistance in clinical environments. Furthermore, we provide recommendations of how development of fungicide resistant pathogen populations may be prevented or delayed.

Keywords : Citrus black spot disease; disease management; fungicide resistance; efflux transporters; wheat tan spot disease.

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