Effects of Biochar on the Growth, Ginsenoside Content, and Soil Microbial Community Composition of Panax quinquefolium L
Abstract Biochar has shown great potential for use in agricultural systems. However, few studies have focused on its effects on the growth, active ingredients, and soil microbial community composition of Chinese medicinal herbs. The growth, photosynthetic capacity, content of active ingredients of Panax quinquefolium L, soil enzyme activity, and soil microbial community composition treated with different concentrations of biochar (0, 0.6%, 1.2%, 1.8%, and 2.4%) were investigated. Compared with the control, the plant growth, net photosynthetic rate, stomatal conductance, transpiration rate, photosynthetic carbon assimilation, chlorophyll b content, and ginsenoside (active ingredients) content of P. quinquefolium were promoted by biochar amendment. The activities of soil sucrase, urease, and acid phosphatase of P. quinquefolium were promoted by biochar application, whereas soil catalase activity and the richness and diversity of soil microbial communities in biochar treatments were reduced relative to the control. However, the dominant soil bacteria at the phylum level (such as Proteobacteria) and fungi at the genus level (such as Chalara and Sistotrema) differed significantly between the control and 1.8% biochar treatment. The linear discriminant analysis effect size (LEfSe) analysis showed that the relative abundance of some microbial taxa in the rhizosphere soil was significantly different among the control, 1.8% and 2.4% biochar additions (p < 0.05). Furthermore, the correlation analysis showed that the ginsenoside content of P. quinquefolium roots was correlated with Acidobacteria, Actinobacteria, and Verrucomicrobia, etc. (p < 0.05). The growth and ginsenoside accumulation of P. quinquefolium could be promoted, and the rhizosphere soil microbial community composition could be improved by an appropriate rate (1.8%) of biochar application..
| Medienart: |
Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:22 |
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| Enthalten in: |
Journal of soil science and plant nutrition - 22(2022), 2 vom: 04. Apr., Seite 2670-2686 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Yang, Xiaotong [VerfasserIn] |
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| Links: |
Volltext [lizenzpflichtig] |
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| BKL: | |
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| Themen: |
Biochar |
| Anmerkungen: |
© The Author(s) under exclusive licence to Sociedad Chilena de la Ciencia del Suelo 2022 |
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| doi: |
10.1007/s42729-022-00835-7 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 245 | 1 | 0 | |a Effects of Biochar on the Growth, Ginsenoside Content, and Soil Microbial Community Composition of Panax quinquefolium L |
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| 520 | |a Abstract Biochar has shown great potential for use in agricultural systems. However, few studies have focused on its effects on the growth, active ingredients, and soil microbial community composition of Chinese medicinal herbs. The growth, photosynthetic capacity, content of active ingredients of Panax quinquefolium L, soil enzyme activity, and soil microbial community composition treated with different concentrations of biochar (0, 0.6%, 1.2%, 1.8%, and 2.4%) were investigated. Compared with the control, the plant growth, net photosynthetic rate, stomatal conductance, transpiration rate, photosynthetic carbon assimilation, chlorophyll b content, and ginsenoside (active ingredients) content of P. quinquefolium were promoted by biochar amendment. The activities of soil sucrase, urease, and acid phosphatase of P. quinquefolium were promoted by biochar application, whereas soil catalase activity and the richness and diversity of soil microbial communities in biochar treatments were reduced relative to the control. However, the dominant soil bacteria at the phylum level (such as Proteobacteria) and fungi at the genus level (such as Chalara and Sistotrema) differed significantly between the control and 1.8% biochar treatment. The linear discriminant analysis effect size (LEfSe) analysis showed that the relative abundance of some microbial taxa in the rhizosphere soil was significantly different among the control, 1.8% and 2.4% biochar additions (p < 0.05). Furthermore, the correlation analysis showed that the ginsenoside content of P. quinquefolium roots was correlated with Acidobacteria, Actinobacteria, and Verrucomicrobia, etc. (p < 0.05). The growth and ginsenoside accumulation of P. quinquefolium could be promoted, and the rhizosphere soil microbial community composition could be improved by an appropriate rate (1.8%) of biochar application. | ||
| 650 | 4 | |a L. | |
| 650 | 4 | |a Biochar | |
| 650 | 4 | |a Plant growth | |
| 650 | 4 | |a Ginsenoside content | |
| 650 | 4 | |a Soil enzyme activity | |
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| 700 | 1 | |a Li, Rui |4 aut | |
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| 700 | 1 | |a Guo, Lanping |4 aut | |
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