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Table 3 Effect of different antagonists and micronic sulfur on total soluble solids (TSS), total acidity, and TSS/acid ratio of Thompson grapevine under Egyptian field conditions during 2016 and 2017 seasons

From: Evaluation of some biocontrol agents to control Thompson seedless grapevine powdery mildew disease

Tested antagonists Total soluble solids (TSS %) Total acidity (%) TSS/acid ratio
2016 2017 2016 2017 2016 2017
T. harzianum (T.s.) 15.7 15.8 0.61 0.62 25.74 25.48
T. viride (T.v.) 15.2 15.3 0.62 0.63 24.52 24.29
T. hamatum (T.h.) 14.1 14.3 0.66 0.67 21.36 21.34
T.s. + T.v. 16.7 16.9 0.57 0.58 29.30 29.14
T.s. + T.h. 16.1 16.4 0.59 0.60 27.29 27.33
T.v. + T.h. 14.2 14.4 0.64 0.65 22.19 22.15
T.s. + T.v. + T.h. 17.3 17.6 0.52 0.53 33.27 33.21
Micronic sulfur (MS) 13.7 13.9 0.68 0.69 20.15 20.14
Blight stop (T.s. + T.v. + T.h.) + MS 18.1 18.2 0.50 0.51 36.20 35.69
Control untreated 11.1 11.2 0.74 0.76 15.00 14.74
L S D at 0.05 0.06 0.07 0.01 0.04 0.19 0.28