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Table 3 Quantitative estimation of phosphate solubilization, ammonia and siderophore production

From: Endophytic bacteria from Euphorbia antiquorum L. protect Solanum lycopersicum L. against bacterial wilt caused by Ralstonia solanacearum

Bacterial species Phosphate solubilization (mm)a Ammonia (µmol/ml)b Siderophores (%)c
Catecholate Hydroxamate carboxylic
Bacillus velezensis CBv_BE1 6.0 0.761 100 100 63.13
Bacillus amyloliquefaciens CBa_BFL2 3.0 0.751 100 100 27.96
Bacillus amyloliquefaciens CBa_BFL1 0.0 0.71 89.75 77.85 6.22
Bacillus amyloliquefaciens CBa_RA37 4.0 0.814 100 100 20.20
Lysinibacillus fusiformis CBa_LPR19 0.0 0.532 44.58 61.02 7.18
Bacillus Megaterium CBm_RR10 1.5 0.607 55.43 44.84 19.26
  1. aMean diameter of clear halo around the bacterium colony
  2. bRelative ammonia production in water peptone medium
  3. cPercent production of each siderophore type relative to the control treatment