Effects of Prangos ferulacea aqueous and hydroalcoholic extracts obtained from different organs on the regeneration of Trifolium resupinatum
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Prangos ferulacea is one of the widely used, nutritional and popular fodders in livestock industry. This species is also considered as an important option in rangeland restoration and management. In this study, the comparative phytotoxic activity of aqueous and hydroalcoholic extracts obtained from different organs (flower, shoot and leaf) of P. ferulacea on proline content, seed germination and seedling growth of Trifolium resupinatum has been investigated. According to the results, the hydroalcoholic extract of P. ferulaceae flower possesses the highest total phenolic and flavonoid content and the uppermost phytotoxic effect on T. resupinatum. The extracts significantly decreased seed germination and seedling growth of T. resupinatum and increased the proline content. Our findings indicate that hydroalcoholic extract induced a stronger oxidative stress in T. resupinatum. Finally, based on the results, aqueous allelochemicals that originated from P. ferulacea played a significant role in the successful propagation and development of T. resupinatum in rehabilitated pastures. According to our results, the phytotoxicity effect of the hydroalcoholic extract was significantly higher than that of the aqueous extract. Since in nature, the allelopathic interaction between plants is closer to the aqueous method, primary evaluations of rangeland restoration using this method is suggested.
KeywordsRangeland restoration Prangos ferulacea Total phenols Total flavonoids
Funding was provided by the Shiraz University (Grant no. 93GRD1M1939).
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