IAA production
A single colony of bacterial culture was grown on LB liquid medium.
A loopful of the respective culture was transferred to the 100 mL of
conical flask containing LB liquid medium with the help of a sterile
inoculation needle. The flask was then incubated for 7 days on a
rotary shaker. The cultures in the flask showed dense milky white
growth were tested for purity (Bric et al., 1991).