Wzrost odporności patogenów na substancje czynne stosowanych fungicydów stanowi poważne wyzwanie dla współczesnej ochrony roślin. Na ogół populacje składają się z osobników o zróżnicowanych poziomach wrażliwości na fungicydy. Intensywne wykorzystywanie preparatów grzybobójczych i wynikająca z tego presja selekcyjna powodują dynamiczny rozwój odporności grzybów na substancje czynne o różnych mechanizmach działania. Strategie zarządzania odpornością opierają się na stosowaniu mieszanin, naprzemiennym aplikowa­niu substancji czynnych oraz używaniu fungicydów w możliwie niskich, ale skutecznych dawkach.

The increase in pathogen resistance to the active substances of fungicides used is a serious challenge for modern plant protection. Ingeneral, populations consist of individuals with different levels of sensitivity to fungicides. The intensive use of fungicides and the result­ing selection pressure cause the dynamic development of fungal resistance to active substances with different modes of action. Resis­tance management strategies are based on the use of mixtures, alternating the use of active substances, and the use of fungicides in the lowest possible but effective doses.

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