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| Effects of Different Arbuscular Mycorrhizal Fungi on Growth and Volatile Oil Accumulation of Pogostemon cablin |
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| DOI：10.16768/j.issn.1004-874X.2020.07.006 |
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| Abstract: |
| 【Objective】Pogostemon cablin（Blanco）Benth, a medicinal plant, is facing the problems of germplasm resource depletion and product quality degradation, which threaten its safety, stability and effectiveness. The arbuscular mycorrhizal fungi were selected to inoculate P. cablin to understand their effects on the growth and medicinal active ingredients of P. cablin in order to improve the quality, increase the output and meet the needs of drug use.【Method】Pot experiment was performed with three groups: P. cablin was inoculated with Claroideoglomus etunicatum（CE）and Funneliformis mosseae（CE）, and the blank control without inoculation. The differences in various indexes of P. cablin during growth period and after harvest were compared.【Result】The plant height, basal stalk diameter, dry matter weight and yield of volatile oil of P. cablin treated with FM were 9.0%, 9.8%, 21.4% and 0.59% higher than those of the control group. The plant height, basal stalk diameter, dry matter weight and yield of volatile oil of P. cablin treated with CE were 18.6%, 14.4%, 51.4% and 1.40% higher than those of the control group.【Conclusion】Different arbuscular mycorrhizal fungi have different infection ability to P. cablin. FM and CE can promote the growth of P. cablin, increase the content of indoleacetic acid and inhibit the production of abscisic acid. However, C.etunicatum has a better effect on the overall gain of P. cablin and the accumulation of the most important volatile oil in the production of P. cablin. |
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