'Cleópatra' mandarin (Citrus reshni hort. ex. Tanaka) seedlings used in an entirely randomized trial, with three replicates in a split plot format, were submitted to five gibberellic acid treatments of concentrations 0; 25; 50; 100; 150 mg.L-1, split into four sprayings. Data was collected, from the 70th up to the 120th day, in 14- day intervals. The results showed that the plant regulator enhanced the growth of the seedlings increasing the length of their stems. The sprays of concentration 100 and 150 mg.L-1 gave the best results. The gibberellic acid spraying had no effect on stem diameter.
rootstocks; growth regulator; stem