Dynamic changes of endogenous phytohormones during after-ripening process of Panax notoginseng seeds / 中草药

Objective: The studies were carried out on the endogenous phytohormone changes of Panax notoginseng seeds during the after-ripening process in order to understand the machanism of endogenous phytohormones (GA, IAA, ZR, and ABA) in the process of embryo development and dormancy release. Methods: Dynamic changes of endogenous phytohormones of P. notoginseng seeds were measured by ELISA method through the entire after-ripening process. Results: The contents of endogenous GA, IAA, and ZR increased with the embryo development, while the ABA content decreased contrarily. Conclusion: The change of phytohormone balance is one of determining factors for relieving dormancy and promoting germination of P. notoginseng seeds.