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Process in Producing Microtubers

- Step 1. Tissue Culturing in Dishes
- More than 100 tissues are cultured in one dish of solid medium (* Cf. Only 1~30 tissues in other companies)
- More than 200 tissues are cultured in liquid medium
- 50 dishes are cultured for one day by one researcher
- Completely free of contamination during the whole process of culturing

- Step 2. Mass propagation in Bioreactors
- Tissue cultures from dishes are put into bioreactors
- more than 1,500 stems / month / bioreactor
- The most efficient system for production of a large number of stem cuts
- Highly advanced technical skill preventing any risk of contamination or viral infection


- Step 3. Planting of Plantlets in Greenhouse
- Many hundreds of stems are taken out from one bioreactor
- Nodal cutting of propagated stems result in more than 1,500 stem cuts for transplanting in seedling trays / one bioreactor
- Planting of 100 stem cuts in one seedling tray (30cm X 60cm)
- Acclimation of stem cuts in seedling trays in plant factories for one month


- Step 4. Production of Microtubers in Seedling Trays in Greenhouse
- Plantlets acclimated in plant factories are transferred to greenhouses and cultivated
- More than 300,000 tubers after two or three months per greenhouse of 666 ㎡
- Up to 900,000 microtubers in a year – three times a year
- Mass production system in seedling trays – unlike pot-based production system of other companies

- Step 5. Production of Microtubers in Seedling Trays in Greenhouse
- Planting of 60,000 Microtubers in seedling trays per greenhouse of 667 ㎡ (20 tubersⅹ3,000 trays)
- Production of 300,000 Minitubers after three months
- Production system which can produce more than 600,000 tubers in a year , If done twice a year

- Step 6. Production of Tubers via High Density Planting
- Microtubers are planted in soil in netted greenhouses
- The most efficient production system by using high density planting method
- Mass production of certified seed tubers with no viral infection and soil damage caused by repeated cultivation
- Impossible for competitors to emulate because they don’t have sufficient amount of Minitubers