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Egyptian Journal of Biological Pest Control

Table 1 Effect of TSDCIS on the disease severity of downy mildew King Ruby seedless grape during 2020 and 2021 growing seasons at 30 days post the fruit set

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

Treatment

Season 2020

Season 2021

Disease severity%

Reduction%

Disease severity%

Reduction%

C

17.1a

–

16.5a

–

F

2.8 f

83.6

2.4f

85.5

T1

6.3b

63.2

5.0b

69.7

T2

5.3c

69.0

4.0c

75.7

T3

4.2d

75.4

3.7d

77.6

T4

3.6e

78.9

3.0e

81.8

  1. According to the Duncan multiple range test (P ≤ 0.05), columns denoted by a same letter are not significantly different
  2. 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
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