How can i recover a fungal sample after a long storage time on PDA slant at 4°C ?

Currently, I'm trying to recover fungal samples from 2020 to 2022 that were stored at 4°C on PDA slants. I have already tried to reculture them on PDA, but it didn't work. Does anyone know of any...

08 January 2025 5,854 3 View