Detachable greenhouse frame for citrus seedling culture

The invention relates to a detachable greenhouse frame for citrus seedling culture. The detachable greenhouse frame comprises a square base, vertical support rods and a top support, wherein thread sleeves are arranged on the square base and are locked with the vertical support rods; the vertical support rods comprise first vertical support rods and second vertical support rods, the first verticalsupport rods are arranged at both sides in parallel, the second vertical support rods are arranged in front of and behind the square base, and clamp holes are respectively formed in the top ends of the first vertical support rods and the second vertical support rods; a support beam is inserted into the second vertical support rods at the front and back parts through the clamp holes, pipe joints are distributed at the upper end of the support beam, the number of the pipe joints corresponds to the number of the first vertical support rods, the positions of the pipe joints correspond to the positions of the first vertica