Patent ID: 7877928

Claim:
An apparatus for generating seedling of seed potato comprising: a culture panel, in which holes for planting of stem cuttings are arranged, to plant potato seedlings through stem cutting and cultivate the seedlings; a culture bed, which has a space in which the culture panel is placed, contains a supplied nutrient solution required for the growth of the potato seedlings planted through stem cutting in the culture panel, and has a water outlet for discharging the excessively supplied nutrient solution; a light source, which is provided at the top of the culture bed and radiates light on potato seedlings planted through stem cutting in the culture panel; a nutrient solution dispersion and supply tube which is provided at one side of the culture bed and flows and supplies the nutrient solution to the culture bed; and a nutrient solution preparation and supply part which comprises a nutrient solution tank and a nutrient solution supply pump provided in the nutrient solution tank, wherein the nutrient solution tank is connected to the nutrient solution dispersion and supply tube and supplies the nutrient solution thereto by the operation of the nutrient solution supply pump, wherein the water outlet of the culture bed is provided with a water discharge tube having a slit in a longitudinal direction, and an opening and closing tube having a helical opening and closing part is inserted into the water discharge tube in a separated state against a lower part of the water discharge tube.