1.**Method A – Sterilisation and Cultivation Process of Stevia, Chicory, Bee Balm (Cambridge Scarlet), and Rhodiola krylovii Cells.**

The volume of 400 ml of media with Kinetin was prepared using the above reagents for plant cells. However, 7 ml of solid media was poured into 52 test tubes. Then, sterile Petri dishes were used for the sterilisation process of seeds and seeds were first sterilised with NaOCl for 3 mins. Then, the seeds were transferred into Petri dishes containing ethanol for 1 min. The seeds were rinsed with sterile water for 2 mins. The seeds were left to dry before transferring them into the test tubes. Two seeds of Stevia, Chicory,

Bee Balm (Cambridge Scarlet), and Rhodiola krylovii cells were put into 13 labelled separate test tubes for each type of plant and were labelled. The test tubes containing samples were incubated with a light intensity of 16 hours and dark phase of 8 hours, a temperature of 250C (10C) and relative humidity of 50%. After 14 days, a percentage of contamination was carried out.
