Do you mean the fungicide, brand name Quadris (azoxystrobin)?

Fungicide is used for killing fungus, commonly athlete's foot.

Yes, copper fungicide can be used on bamboo plants.

Fungicide is a chemical compound or organism that kills fungus. Contact fungicide is a spray, and it only protects the plant from fungus in the areas where the spray comes in direct contact. Systemic fungicide is taken up into the plant, so it is redistributed through the xylem vessels and protects the entire plant from fungus.

Treating the blades with a fungicide will maintain hygiene between uses.