Lyophilization in Plant Pathology is used for –

Correct option is B

Correct option: (b) Freeze-drying of microbial culture
· Lyophilization = freeze-drying, used to preserve microbial cultures long-term.
Other options:
· (a) Sterilization – Lyophilization is not a sterilization method.
· (c) Disinfection – Not applicable.
· (d) Sanitation of plants – Not performed via lyophilization.