DNA extraction can perform with an commercial kit but with a modification of the manufacturer's protocol. you can pick some of mycelia, then combine with freezing your fungi in liquid nitrogen or glass bead disruption, and then followed by additional purification steps.
Hi in our team we are going to use 0.5 mm diameter glass beads for fungal DNA extraction, do you have any recommendations for how long and in which frequency grinding should be carried out ? We use a TissueLyser II