Figure 2

Depiction of Physalis alkekengi callus tissues grown under different intensities and durations of SMF (a), the impact of SMF on the callus induction (b), and callus fresh weight (c). Scale bars = 6 cm. Values are means ± SE of five replicates. Different letters indicated significant (p ≤ 0.05) differences. SE; standard error, SMF; Static magnetic field.