Spatial distribution of benzimidazole resistance of Cercospora beticola Sacc. in Serbia

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Nenad Trkulja
Anja Milosavljević
Erika Pfaf-Dolovac
Nenad Dolovac
Jelena Bošković

Absztrakt

In order to check distribution of resistance of C. beticola isolates to benzimidazole fungicides we collected
samples from four distinct geographical districts with different fungicides history in Serbia. From all
localities about 40 - 50 isolates of C. beticola were collected and subjected to testing sensitivity to
benzimidazoles in the laboratory. Due to RG of isolates on the discriminatory concentrations of carbendazim
and thiophanate methyl we concluded level of resistance to benzimidazoles. Discriminatory concentration for
carbendazim was 1 mg/l while for thiophanate methyl was 5 mg/l. Very high frequency of resistance of C.
beticola isolates to benzimidazole fungicides on locality West Bačka (98 %), Srem (100%) and Moravica
(97%), while on locality Rasina decrease frequency of benzimidazole resistance with 18% was established.
Frequency of resistance of C. beticola populations to benzimidazoles was stable on locality where
benzimidazoles were applied in the past, while on locality where they have never been applied it varies.

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Hogyan kell idézni
Trkulja, Nenad, Anja Milosavljević, Erika Pfaf-Dolovac, Nenad Dolovac, és Jelena Bošković. 2014. „Spatial Distribution of Benzimidazole Resistance of Cercospora Beticola Sacc. In Serbia”. Review on Agriculture and Rural Development 3 (1):298-302. https://iskolakultura.hu/index.php/rard/article/view/13438.
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