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Table 1 Overview of in vitro biocontrol and plant-beneficial traits of selected endophytic bacteria and later used in our study

From: Biocontrol of angular leaf spot disease and colonization of cucumber (Cucumis sativus L.) by endophytic bacteria

Isolate codes Gram stain Fluorescent pigment production HCNa IAAb (μg/mL) Siderophore production (mm) Pslc inhibition zone (mm) Phosphate solubilization (mm) Vigor indexd
CB23-6 44.00 10.50 0.00 0.00 2188
CC72-14 30.00 5.00 3.25 2.50 4386
CB82-16 + 32.00 10.00 0.00 0.00 4618
CB93-19 33.00 12.00 6.25 0.00 4663
CB182-37 7.00 7.00 0.00 1.00 5089
CC252-49 + 34.00 9.00 0.00 1.00 5018
CC26-50 16.00 0.00 0.00 0.00 4440
CA281-56 13.00 12.00 0.00 0.00 4453
CA282-57 35.00 6.00 1.00 0.00 4815
CA291-60 + 25.00 3.00 2.00 2.00 4860
CA292-61 + 14.00 16.00 3.75 0.00 5312
CC293-66 + 12.00 0.00 0.00 0.00 3856
CC30-68 + 24.00 16.00 3.75 2.00 5001
CA332-73 + 14.00 6.00 3.20 3.00 1546
CB361-80 125.00 7.00 0.00 4.00 4031
CB362-81 20.00 10.00 0.00 0.00 4931
CC372-83 45.00 7.00 0.00 6.00 5390
CA38-85 + 5.00 6.00 1.00 0.00 4900
CB382-87 50.00 6.00 0.00 1.00 5542
CA391-88 12.00 12.00 0.00 0.00 4696
CC393-93 + 39.00 1.00 0.00 0.00 4843
CB401-95 + 11.00 11.00 0.00 3.00 4906
CA411-99 + 6.00 1.00 4.00 0.00 3249
CC44-112 + 8.00 6.00 2.00 1.50 3411
  1. aHydrogen cyanide production
  2. bIAA level after growth in medium supplemented with/without tryptophan
  3. cThe values show inhibition of Psl development compared to non-treated Psl positive control plates
  4. dMean vigor index value of non-treated negative control was 4947