Journal of

Plant Biotechnology

Fig. 1. DPPH radical scavenging activity of control (4 weeks interval subculture) and test plant callus lines recovered at 25°C after 8 or 12 weeks of 15°C culture. All experiment were performed in triplicate. Data are expressed as mean ± SD. Asterisks indicate a significant difference between control and recovery lines at *p < 0.05, **p < 0.01 by LSD test

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