The experiment was conducted with potato cultivars Agria and Andrea. Healthy tubers were were treated with 2 ppm GA3 for rapid sprouting. One week old sprouts were used as initial explant. The sprouts were surface sterilized by dipping in 70% C2H5OH for 2 minutes, than in 0.1 HgCl2 solution for 5 minutes and afterword were washed several times with autoclaved distilled water [1], [8] [15], [6]. These explants were cultured in MS solid medium (pH 5.8) in test tubes. The results are sown at Table 1, Figure 3.