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Table 1 Variation in disease symptoms score (DSS) of inoculated potato plants

From: Exploring rhizosphere and potato microbiome as potential antagonist to control blackleg and potato soft rot diseases in Morocco

Isolates

Average DSSa per isolate tested

Disease symptom decrease (%)

Ame-4

0

100

Amo-22

1,2

70

Amo-23

0,4

90

Atd-2

0

100

Atd-4

0

100

Ag-216

0

100

Ak-3

0,2

95

Ab-3

0,6

85

Al-51

0

100

Ama-501

0

100

Positive control

4

0

Negative control

0

100

  1. aDisease Symptom Score (DSS) estimated using an arbitrary 0–4 scale where 0 = no symptom, 1 = 0.1–1.0 cm systemic infection on vessels, 2 = 1.1–3.0 cm systemic infection on vessels, 3 = 3.1–4 cm systemic infection on vessels or soft rot on stem, 4 = inhibition of the germination and the growth. The visible symptoms first appeared on positive control plants