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Effect of Mixed Inoculation of Arbuscular Mycorrhizal on Growth and Chemical Composition of Aucklandia lappa Seedlings / 中国实验方剂学杂志
Chinese Journal of Experimental Traditional Medical Formulae ; (24): 173-181, 2020.
Artigo em Chinês | WPRIM | ID: wpr-873234
ABSTRACT

Objective:

To explore the synergistic effect of arbuscular mycorrhizal(AM) fungi mixed inoculation on the growth,physiological and biochemical characteristics,root biomass and terpenoid component accumulation of Aucklandia lappa seedlings,so as to provide a reference for the combination and application of the dominant complementary effect mycorrhizal fungi.

Method:

The effect of different AM fungi combined with inoculation on the root mycorrhizal infection rate,plant growth,physiological and biochemical characteristics,root biomass,costunolide and dehydrocostus lactone of A. lappa seedlings were determined by pot inoculation at room temperature.

Result:

It was found that AM fungi could form good mycorrhizal symbiosis with the roots of A. lappa.The formation of mycorrhizal symbiosis system could increase the chlorophyll content of A. lappa leaves,increase the activities of catalaseCAT),peroxidase (POD),superoxide dismutase (SOD),reduce the content of malondialdehyde(MDA),and promote photosynthesis of A. lappa. Compared with CK group,AM fungus treatment could significantly promote the accumulation of costunolide and dehydrocostus lactone,and the accumulation of its metabolites,costunolide and dehydrocostus lactone,into roots during the symbiotic cultivation of A. lappa seedlings,indirectly improving the quality of medicines and yield of alantolactone.

Conclusion:

Inoculation of AM fungi can improve the root mycorrhizal viability,increase the absorption of nutrients and promote the growth of woody incense.The mixed inoculation treatment of S2,S4 and S5 had the best mycorrhizal effect in artificial cultivation,and the growth and medicinal quality of A. lappa were the best,which provided technical support for the application and popularization of A. lappa mycorrhizal biotechnology.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of Experimental Traditional Medical Formulae Ano de publicação: 2020 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of Experimental Traditional Medical Formulae Ano de publicação: 2020 Tipo de documento: Artigo