Demands for Laboratory Exercises Protocols – Plant Explants Obligatory parts of the protocol: 1. Name 2. Date 3. The topic of an experiment (= the aim of an experiment) 4. The principle of a method used 5. Material and equipment, components of media (mineral and organic nutrition, agar, sucrose and growth regulator concentration) 6. A brief procedure (disinfections, method of isolation of an explants and their maintenance) 7. The results (will be recorded gradually during the culture period = contamination rating, changes of explant appearance etc.) 8. Conclusion