Abstract:

This paper study on allelopathy of the phenolic acids of ferulic acid on Codonopsis pilosula of Gansu authentic Chinese herbal medicine, uses different phenolic acids to carry on seed and seedling of the Codonopsis pilosula, and to investigate the effects of the germination percentage, the nutrition growth and some physiological targets. The results showed that ferulic acid to inhibition receptor Codonopsis pilosula on the course of seed relative imbibition increase in the volume of water. With the increase in the concentration of ferulic acid, Codonopsis pilosula’s seed germination rate, germination index, primary embryonicroot length and hypocotyledonary length, seedling growth and the Codonopsis pilosula roots change of micronucleis and mitotic rate, there is the allelopathic sensitivity of different effects, it sensitivity of degree is different, most of bioassay results to reach the level of significant difference. It said that ferulic acid existence allelopathy on Codonopsis pilosula of Gansu authentic Chinese herbal medicine, all the level of high concentration of allelopathic effect expressed disincentive and low concentration effects of allelopathic were to promote.