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Efficacy of Strobilurin-related and Multi-site Fungicide Mixtures Against Apple Scab

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Author(s): Emil Rekanović | Milan Stević | Petar Vukša | Miloš Stepanović | Svetlana Milijašević

Journal: Pesticidi i Fitomedicina
ISSN 1820-3949

Volume: 22;
Issue: 3;
Start page: 227;
Date: 2007;
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Keywords: Apple scab | Fungicide mixtures | Trifloxystrobin + captan | Pyraclostrobin + dithianon | Efficacy

ABSTRACT
The efficacy of several fungicide mixtures in controlling Venturia inaequalis in apple was evaluated in field trials. The efficacies of Flint Plus (trifloxystrobin + captan) and Tercel (pyraclostrobin+ dithianon) in comparison with standard fungicides Zato 50-WG (trifloxystrobin) and Stroby + Delan (kresoxim-methyl + dithianon) were tested in the localities Mihajlovac, Radmilovac and Landol in 2004 and 2005. Both tested fungicides exhibited high efficacy in controlling apple scab. There were significant differencies in the efficacies of Flint Plus (91.3-98.5%) and Zato 50-WG (68.2% and 78.4%); and Tercel (88.7-93.5%) and Stroby + Delan (77.9% and 82.1%). Our experiments showed that the investigated fungicide mixtures arehighly effective against V. inaqeulais, even under high disease pressure.
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