S.No PGPR strains Fluorescein Pyocyanin Siderophore production HCN
1 Pf1 + + + +++
2 CPF1 + + + +++
3 CPF 2 - - + +
4 CPF 3 - - + -
5 CPF 4 + + + +
6 CPF 5 + + + +
7 CPF 6 + + - ++
8 CPF 7 - - + -
9 CPF 8 + + + ++
10 CPF 9 + + + +
11 CPF 10 - - - +
+: Produced; - : Not produced (+++: Strong, ++: Medium, +: Low production)
Table 1: Antibiotics, siderophore and HCN production of P. fluorescens strains.