Technique for growing Arabidopsis in aeroponic culture. (A) Four-week-old Arabidopsis plants removed from pots. (B, C) Repeated rinsing of roots in water to remove potting mix. (D) Plants prior to transplant into clay granulate with a small cube of Rockwool (1.25 cm) to be placed around the base of the rosette. (E) Transfer of plants to plastic tubes containing 50 ml of Seramis® clay granules saturated in Hoagland's solution. (F) Plants grown for four weeks under short day conditions following transfer to aeroponic culture tubes. At this stage, plant shoots began to bolt.