Place paper inside a paper bag and cook them in the pressure cooker above the water level. The bag will be wet on completion of sterilisation. Do not unwrap the papers until needed. Put plant pieces in a jar containing the bleach for 10-20 minutes. Discard the chlorine solution, this process will kill bacteria and fungi and sometimes some parts of the plant such as outer bud scales and softer shoots.
Rinse plant pieces twice with sterile water.
1- Tie back your hair, roll your sleeves up and remove your watch and other jewellery. Wash your hands thoroughly with the disinfectant solution suitable for skin application. If allergic to any disinfectant wash your hands with water and wear a pair of surgical gloves. 3- Collect and organise all the items you will need close to or inside the cabinet. Also sterilise your instruments by dipping them in alcohol between each manipulation and flaming them.