Abstract
Our results showed that cinnamic acid can increase podophyllotoxin production in Juniperus virginiana suspension cultures. The best effect was manifested after a 24-hours application of a 10 mmol/L concentration. The highest podophyllotoxin content was determined at 1.47 mg/g DW and the production was statistically significantly stimulated by about 444% in comparison with the control. Comparison of podophyllotoxin production in the cinnamic acid- and salicylic acid-elicited J. virginiana suspension cultures confirms that the maximum increase in both cases was induced by the 24-hours application of the 10 mmol/L concentration. In contrast, the best effect of jasmonic acid was manifested after the longest 168-hours application of a 5 mmol/L concentration.
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