FIGURE 3.

Effects of different concentrations of CaCl₂ on adventitious root development in cucumber explants under osmotic stress. The primary roots were removed of 6-day-old seedlings. Explants were incubated for 6 days with distilled water (control) or 0.05% (w/v) PEG 6000 plus different concentrations of CaCl₂. Adventitious root numbers (A) and root length (B) were expressed as mean ± SE (n = 3, 10 explants was used per replicate). Bars with different lower case letters were significantly different by Duncan’s multiple range test (p < 0.05).