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https://open.uns.ac.rs/handle/123456789/7548
Title: | Efficacy of azoxystrobin for the control of cucumber downy mildew (Pseudoperonospora cubensis) and fungicide residue analysis | Authors: | Bagi, Ferenc Budakov, Dragana Bursić, Vojislava Stojšin, Vera Lazić, Žarko Vuković, Darko |
Issue Date: | 1-Jan-2014 | Journal: | Crop Protection | Abstract: | During a five-year trial (2007-2011), the efficacy of azoxystrobin (Quadris, 250ga.i.L-1, Syngenta) in two doses (187.5ga.i.ha-1 and 250ga.i.ha-1) and chlorothalonil (Bravo 720-SC, 720ga.i.L-1, Syngenta) at a rate of 1.44kga.i.ha-1 was tested for the control of cucumber downy mildew (CDM). Cultivars that were susceptible or resistant to CDM (Regal and Haros, respectively) were tested for their response to fungicide applications. Differences in both disease severity and yield of the cultivars among resistance levels and fungicide treatments were observed. A highly significant and negative correlation was obtained between AUDPC and yield. Higher yields can be achieved by planting more resistant cultivars in combination with lower doses of fungicides. This is an indication that CDM contributes significantly to yield losses in cucumber production in Serbia. While monitoring the degradation of azoxystrobin residues, a decrease in residue levels to 1.0mgkg-1 below the maximum residue level (MRL) was observed at the end of the pre-harvest interval (PHI). © 2014 Elsevier Ltd. | URI: | https://open.uns.ac.rs/handle/123456789/7548 | ISSN: | 02612194 | DOI: | 10.1016/j.cropro.2014.03.012 |
Appears in Collections: | POLJF Publikacije/Publications |
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