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ISHS Acta Horticulturae 981: II Balkan Symposium on Fruit Growing

IN VITRO TOXICITY OF FUNGICIDES WITH DIFFERENT MODES OF ACTION TO MONILINIA LAXA ISOLATES IN SERBIA

Authors:   M. Stević, P. Vuk┐a, I. Elezović, E. Rekanović
Keywords:   Monilinia laxa, fungicides, sensitivity, resistance, benomyl, iprodione, tebuconazole, trifloxystrobin, pyrimethanil
DOI:   10.17660/ActaHortic.2013.981.85
Abstract:
Sensitivity of M. laxa isolates originated from mummified plum fruits was tested to benomyl, iprodione, trifloxystrobin, tebuconazole and pyrimethanil. Mycelia growth inhibition on growth medium was monitored and susceptibility parameters were determined using probit analysis. The EC50 values for benomyl were the highest ranging from 0.123 to 0.901 mg L-1 followed by iprodione (0.125-0.301 mg L-1), trifloxystrobin (0.004-0.009 mg L-1), tebuconazole (0.014-0.041 mg L-1) and pyrimethanil (0.148-0.191 mg L-1). Medium resistant level of M. laxa isolates to benomyl was established. The isolates tested showed a normal susceptibility to iprodione, trifloxystrobin, tebuconazole and pyrimethanil.

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