Serial dilutions were inoculated with NBRIP (National Botanical Research Institute Phosphorus) agar plates containing
10 g glucose, 5 g Ca3(PO4)2, 5 g MgCl2·6H2O, 0.25 g MgSO4·7H2O, 0.2 g KCl, and 0.1 g (NH4)2SO4 in 1 L distilled water (Nautiyal, 1999).