The effect of Agro-Mos and Nim oil in the control of Plasmopara viticola was evaluated on grape variety 'Isabel'. No significant differences in both severity and AACPD were found among treatments. The control efficiency of Agro-Mos + Crop-set and Fungicide, Agro-Mos + Crop-set and Nim oil, and Nim oil and Fungicide reduced the severity in 19,25%, 17,39% and 16,15%, respectively. In relation to effect the treatments on juice quality, there was not significant difference in the pH and SST (ºBrix). The treatment Agro-Mos + Crop-set and Fungicide induced higher ATT (g/ L) level, but not significant different from Nim oil and Fungicide, and Fungicide.
Plasmopara viticola; Vitis labrusca; Nim; control; resistance
