Carbendazim or potassium permanganate are usually used to disinfect orchids, which are also common disinfectants. Carbendazim solution can spray leaves or soak roots. Potassium permanganate solution is mainly used for root disinfection. In addition, methyltobuzin and chlorothalonil also have the efficacy of disinfection.
1. Dilute with water: no matter carbendazim or potassium permanganate, it needs enough water to use. The content of carbendazim solution should be controlled at about one thousandth, and potassium permanganate solution should be diluted to pink. Too high a concentration can cause damage to plants.
2. Disinfection of leaves: carbendazim solution is usually used for disinfection of leaves. Usually used for diseased plants, after the diseased leaves are removed, the diluted disinfectant is put into a watering can and sprayed on the leaves.
3. Root disinfection: carbendazim or potassium permanganate can be used for root disinfection. Carefully remove the plant from the basin, remove some of the old soil and expose its roots. Then cut off the old and rotten roots and soak them in disinfectant. This method is usually carried out when rotten roots or pots are changed. After disinfection, it should be dried and replanted to avoid residual disinfectant in the soil.
4. Disinfection of plant material: plant material is the substrate needed for orchid planting, and is often plant fiber with high permeability. Generally, it can be disinfected by insolation, or soaked by potassium permanganate and carbendazim.