Nature of Procymidone-Tolerant Botrytis Cinerea Strains Obtained in Vitro

摘要: Tolerance of plant pathogens to fungicides was not a serious problem when mainly non-systemic conventional were used. These have been called “multi-site inhibitors” because they non-selectively inhibit several biologically important functions living fungal cells. The nature their fungitoxic mechanisms implies that there is little possibility for the development tolerant mutants mutation single gene cannot overcome lethal effect multisite activity. On other hand, we seen emergence with recently introduced systemic fungicides. Since these can easily penetrate into tissues, must be selectively toxic at concentrations do produce phytotoxic effects. Therefore, understood “specific-site as affect biochemically restricted regions This intrinsic accelerated selection fungicide-tolerant appeared through gene.