Boosting biopesticide potential of Trichoderma harzianum for controlling the downy mildew and improving the growth and the productivity of King Ruby seedless grape

Egyptian Journal of Biological Pest Control

Table 6 Effect of TSCIS on the chemical properties of berries of King Ruby seedless grapevines during 2020 and 2021 growing seasons at 80 days post the fruit set

Treatment	Soluble solids content		Total acidity (g tartaric acid/100 ml juice)		Soluble solids content/acidity
Treatment	Season 2020	Season 2021	Season 2020	Season 2021	Season 2020	Season 2021
C	16f	16.4e	0.80a	0.70a	20.0d	23.43c
F	18e	18.5d	0.70b	0.56b	25.71d	32.83b
T1	20.0d	21c	0.50c	0.53b	42.19c	39.67b
T2	20.7c	22bc	0.40c	0.43c	50.0b	55.00a
T3	22b	23ab	0.40c	0.40c	55.0ab	57.50a
T4	23a	24a	0.40c	0.40c	57.44a	56.50a

According to the Duncan multiple range test (P ≤ 0.05), columns denoted by a same letter are not significantly different
C, control untreated; F, fungicide; T1, whole culture of Trichoderma control; T4, whole culture of Trichoderma growing on medium supplemented with K; T3, whole culture of Trichoderma growing on medium supplemented with Mn; T2, whole culture of Trichoderma growing on medium supplemented with thiamine