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Frequency of fungicide application for controlling downy mildew in seedless grape plant ‘BRS Vitória’

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Academic year: 2019

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Figure 1. Necrotic spots caused by Plasmopara viticola in vine leaves cv. BRS Vitória
Figure 3. Downy mildew on vines progress curves ‘BRS Vitória’ subjected to different spraying frequencies  of metalaxyl + mancozeb, from April 25 th  to July 4 th  2014 (A) and from October 28 th  2014 to January 5 th 2015 (B),  in Jales, SP.
Table 2. Number of sprayings to control downy mildew on plants ‘BRS Vitória’ under different spraying frequencies  of metalaxyl + mancozeb in Jales, SP.
Table 3.  Average mass of clusters, rachis length, twenty berries mass, pH, total soluble solids (TSS), total  titratable acidity (TTA) and production of vines ‘BRS Vitória’ under different application frequencies of  metalaxyl + mancozeb

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